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Opa1612 vs sparkos reddit review
Opa1612 vs sparkos reddit review. 00- I I was wondering if this amp would make sense for headphones. Anyone got a review of these bad boys? lol Hey everyone. Or check it out in the app stores TOPICS A Phone that has ES9018K2M DAC and an OPA1612 Op-amp? While beating the note 4 in specs?? WTF? engadget. I use it in two devices. Sorta newer audiophile here. 5). After research I have found that no such thing exists as an LME 47920 inside the Topping DX7 Pro. Strangely in this day and age, USB as an option ($50). The sparkos opamps are very good as well but are IMO sonically warmer than the Sonic Imagery. I recently did a full A/B of the the Geshelli vs Topping e30 mkII, also in two channel. After spending about a week with these op-amps, I think I now have enough information to finally write this. 8dB vs. so this review is based on 3 mixing and 2 mastering sessions I did. I prefered the sound of my DAC with the OPA1656's hands down even over the discrete op-amps. opa1612, muses8920, A review a day and 10 complaints per review. Experience enhanced sound quality and performance in this detailed analysis. But let s wait for the ASR review )) bc all cheap products compare to sparkos, etc. It is like taking a college exam every day of the week! I've been told that I wont hear a difference from the OPA1612 to the Sparkos SS2590 Pros. Many people in the thread mentioned switching out the opamps with a boutique number from Sparkos Labs or Burson Audio. In short a fully functional operating system as Home. The thought that a part of a song could actually be inaudible Amir, if you want an lme49720 op-amp or two let me know and I will mail them to you. Review. I don't think it's worth $150 to buy a pair of ss3602s for the V3, in fact it's probably nuts, but I'll probably do it because I'm a sucker for the way they look. By Members of Head-Fi. Sort by: A comprehensive comparison between OPA1612 and OPA2156 (and other opamps) could be read here: These two opamps have different but effective ways to enhance HF distortion reduction compared to traditional chip opamps. SparkOS Discrete Op-amps | Audiofool Reviews. I have on order to dualed OPA1602's OPA1612's; I was original purchased 2 xA07 2x T2 Pre and 2x DY649SA, 10x Opa1612 (for my pre-amp(s) as well) and later with 2x expensive sparkos opa. I swear I can. common mode voltage that I've measured on any op amp. The Sparkos is probably running in class A which is one reason it runs so hot. Both the Fosi V3 and the Aiyima 07Max (and now Fosi ZA3) use NE5532 chips. Ze Frog. com/4a66jThank you to Linsoul for sponsoring Passion for Sound: https://bit. Sound notes are written in reference to replacing all the Ne5532 and 5534 op-amps in both devices with the appropriate Sparkos Labs SS360x op-amp in thier place. Sound appears to be cleaner than Sparkos while maintaining the same warmth and soundstage. We would particularly like to thank @Toku, @ModDIY, @mike70, @cyclo, and all the other members who have provided us with invaluable suggestions. This was before we were using gold plated circuit boards, and back when we were using square pins on the discrete op amps that had trouble fitting into many DIP sockets. I'm always on the lookout for new and better Op Amps I can use in our products and I am continually updating the page as new products come FiiO is not normally known for stuff like this. Firstly, I'll start this review with a little bit of background in my history of tube and op-amp rolling. Although I miss the customization I feel like it was for the better as I won't Get the Reddit app Scan this QR code to download the app now. It’s worth pointing out now, this V5i design is excellent for games on PC. Or check it out in the app stores TOPICS Review/Discussion Dacs I had the past 2 years: SMSL Sanskrit 10th So I put in a Sparkos ss3602 opamp and holy shit this sounds amazing! For the first time my system sounds 'airy'. Some may not agree with me but I like the presentation of the Burson. The output power is tremendous, as its body size suggests, and it is equipped with a versatile “card-type” modular design as This is a review and detailed measurements of the AUDIOPHONICS DAC I-Sabre ES9038Q2M Raspberry Pi DAC. The Sparkos uses a two pole compensation network referenced to ground. I could not afford 37$ for 10 GB so I said fuck it, let’s try the cheapest one, I accept to loose 12$ if there is a chance I save 25$. The main audio path consists of two pairs of SparkoS Labs SS2590 discrete op-amps with a 64 step (1dB per step) relay-switched stepped-attenuator in-between them. Today I got OPA1612 and have installed in my mono amplifiers. From its humble beginnings back in the late 1900's in the loft of the family shed all the way up to the present day, it's the birthing ground for all of the fodder that is I'd also like to see the opamps driving different loads to represent different downstream impedances vs all of the above tests. ROM is always up to date with AOSP by including the latest security patches the moment they come out. REVIEW: VTV Amplifier Purifi 1ET400A Stereo Amplifier (SS) 99. TPA3255+NE5532Replaceable operational amplifier chips: RT3609SM, OPA2604, OPA2134, LM4562, JRC5532, OP275GSZ, OPA1612, MUSES01/02/03 www. It Recently I reviewed the Nord Three SE 1ET400A Dual Mono Stereo Amplifier. Playing with those, including the Muses 02, will show you what Burson Oppo BDP-95 => RCF DX 2006 => QSC RMX850 (Bass Amp), Parasound A21 (Mid Amp), First Watt J2 (Horn Amp) Electronics mounted in Middle Atlantic BRK20 rack OK, start from scratch - on the diyaudio forum there's a highly regarded ES9038Q2M DAC + output stage, which uses quite modern opamps - OPA1622 for first stage, and OPA1612 for second stage. It appears that the OPA1611/2 have a lower noise voltage, wider bandwidth and higher slew rate than the OPA134 and OPA2134's. I ended up not linking that at all. (yes a bit of live well recorded Good old Grateful Dead for this review) the highs were fully there like before but they had a more clear dimensional sound. 5. Audio amplifier device review: Fosi Audio ZA3 This is the second review I have written relating to a product from the FOSI brand, Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link. Home; Music; Reviews; I was sent the Base model to review so was neither able to test drive Aries as a preamp nor compare the quality of its single-ended and balanced inputs. Late summer 2023, I upgraded a Geshelli J2 AKM 4493 to J2S AKM 4499EX, and then upgraded the Sparkos SS3602 op amps to the massive SS2590s, which requires minor trickery for what could be an endgame J2S setup, and indeed it delivers (see J2S with Sparkos SS2590s). Flipboard. Bass however little bit too much in quantity for me however the quality and refinement improves with good op amp. I have tried rolling the opamps - OPA2132, LME49720, NE5532, RC4580. I can hear what he explained about the V7 op-amp with my stereo setup. The outer finishing is anodized and chamfered to bring a delicate, smooth finish and reliable durability. This device comes in a PRO 6 pin package. Most of the solder work is simply stuffing the PCB. Distortion and THD plots: Our Or you can choose to have the Hypex buffer stage bypassed and utilize our Buckeye buffer stage with the OPA1612 and (3) selectable gain settings via the rocker switch(es) on the rear. 1% thin film resistors to achieve an RIAA accuracy of Sparkos Labs SS3602 Dual Discrete Operational Amplifier. Sparkos get very good reviews, but that would almost double the price of the Fosi doesn't sound right, for what might be just a subtle improvement I may try to find a pair of OPA1656. I would bet the number of people who have the proper equipment to test this at home at required precision is practically zero. Massed strings are extremely well portrayed using these op-amps vs. Share on Reddit Sparkos Labs specializes in high end audio components, design, and gear. Cymbals die shortly after crash. They are available in a TO-220 compatible package and come in 3 industry standard pin-outs. I will have one soon and will review and write up. It was sent to me by the company and costs US $349. Email. Certainly much bigger than previous xDuoo portable designs such as the BAL 2 and the Polk II. 3, Installing the Sparkos SS3602 op-amps is easy. OPA1612 sounds better than any transistor Discrete OpAmp Review: Sonic Imagery vs Sparkos. I used to have a comparison written up between the 2132 and 2604, but I don't know where it is anymore. The J2 has the stock 12v power supply (although I have an IpowerX on order). I decided to take the plunge and order the freshly announced M15S. It could sound pretty good, but one could get sound just as good from IC opamp designs. Well the Arcam actually sounds great. Keep in mind the music I'm mixing and Opa1612 ( sounded almost as good as lm4562, very small difference ) 3. I also Technically speaking, it's really hard to beat opamps like AD797, AD8599, OPA1612, OPA1656, so it might be safer to use one of these over the "exotic" ones, An OPA1612 has slightly better specs than an LM4562---less noise and distortion, faster, and more output voltage swing. It would be worth it as it looks like a grand slam to my eyes. 24. The review (by @Gigantic) of the Sparkos op amps reports that they made a remarkable improvement on an already good sound. Enter the Sparkos labs SS3602 discrete op amp modules . My question is about upgrading the op-amps and I’m seriously considering the Sparkos Would like to replace my Denon's DCD-1500AE opamps of the NE5532 type with something better, OPA2604 and AD823 are two candidates with identical pin layouts Facebook X (Twitter) Reddit Pinterest Tumblr WhatsApp Email Share Link. Archived post. NE5532 is a very good amplifier especially for the price ($0. 00-PAIR OPA1656 Opamp in DIP8 adapter for VTV Amplifier Custom Buffer $ 48. r/audiophile is a subreddit for the pursuit of quality audio reproduction of all forms, budgets, and sizes of speakers. Home ; Categories ; Sound impressions and pairing: Andrew explained that SparkoS Labs were aiming for “a straight wire with gain” with the Aries, in order to achieve “transparency and clean sound that was faithful to Hopefully someone can do an Asgard vs Midgard comparison. New comments cannot be posted and votes cannot be cast. The pages for the "Hypex NCx500 DM Lux Dual Mono Amplifier" & the "Hypex NCx500 ST Lux Stereo Amplifier" state that they use the OPA1656, but the "OP Amplifier Selection" drop list has the OPA1612 (and the Sonic Imagery and Sparkos options), while the page for the "Hypex NCx500 ST Stereo Amplifier" only mentions the Putting aside aesthetics, case design / quality, size / weight, warranty - please step forward if you believe any of these 1ET400A based amps have stood out or should stand out as sonically superior in a blind test and explain why? (op-amp, psu, wiring, snake oil etc etc. after the swap; this will limit the reasons for unwanted oscillations. For a/b test . tnt-audio. 99. Oct 12, 2023 at 6:38 PM Vali 3 Sparkos Labs has created a family of discrete voltage regulators designed to replace 78xx / 79xx / 1117xx and adjustable style regulators for use in audio power supplies. it’s work but still hmmm I’m not sure it will go wild with 5 sparkos . Thanks for the video review Amir. 2dB) which allows the amp to be driven to full power output with only 1. DonR Major Contributor. com AIYIMA company. These are probably among the two highest of the best sounding dual opamps around today. This is odd because during moderate passages it sounded fine. The Gemini hybrid headphone amplifier is designed around a tube-based input stage and an op-amp-based output stage. Sparkos Labs SS3602 Discrete Op-Amps In my Sparkos singles review I made fun of the “I can now hear details I couldn’t hear before” audio cliche. Lütz also cracks the whip on his two human DISCLAIMER: This trio of V6 Classics was kindly provided by John from Burson Audio in exchange for my honest review. Amazing clarity, warmth, and punch but it's This is a review and detailed measurements of the Geshelli Labs JNOG2 (J2) balanced stereo DAC. Already, I found the new AKM DAC and SS3602 to deliver much improved dynamics and greater soundstage depth than the previous configuration, both of which The original OPA1612, the Sonic Imagery 990 ENH and the Sparkos SS2590 (which are different to the other Sparkos people buy for this Fosi or Aiyima amps. On the back of this interest in his op-amps, Andrew Sparks has produced his first mainstream commercial product: the SparkoS View community ranking In the Top 5% of largest communities on Reddit [AE-9 opamps reccomendation] Burson V6 Vivid / SIL 992 / Sparkos . According to IIWI reviews it sounds better than the Denafrips Ares 2 which is a 1000 euro ladder dac. In this review, the Gemini is tested with a multitude of headphones and compared to several other headphone amplifiers. My initial impressions are very encouraging. Loved the improvement. The V5-OPA op-amps are Here are several videos including a demo video that will give you the 2 minute tour of the unit, as well as review videos from Sound News, and Passion For Sound, and an unboxing video by Moon Audio. com Open. The OPA1641 would be slightly better. Geshelli Labs J2 4499EX with Sparkos opamps DACS 2-4 are all very close. Lots of lows, muddy in the low mids (100-250), heavy mids and reduced highs - to my ears. Granted the K5PRO and its various iterations have a desktop theme, but the K9 Pro ESS (and the older AKM version) is a whole new level of ‘larging it’ for the company. the sparkos and yes the MUSES01 and 02. It was kindly purchased new by a member and drop shipped to me. Sparko’s Labs SS3602 Dual Discrete Op Amp review Today I roll the LME49720ha metal cans with Sparko’s Labs SS3602 on my headphone amp. • audio·phile: a person with love for, affinity towards or obsession with high-quality playback of sound and music. . From the manufacturer's post with THD+N vs. 8Vrms from a Burson V5i-D, AD708SQ, stock (the preinstalled) OPA1612 Opamps vs Opamps: Stock Xduoo's OPA1612 vs AD708SQ vs Burson V5i-D: Stock opamps are sounding like you hear music from a room A few days ago, I did a comparison for JRC NE5534, Burson V6 Vivid Classic and a Sparko SS3602 installed in a Burson Fun headphone amp, every A/B-test were done with a DIY stereo switch for instantly swapping between the simultaneously powered amps and compairing with my own DIY assembled LBC amp with a V6 Vivid SparkOS. Whatsapp. As I cant A/B with the TI vs Sparkos opamp, I have no idea if it made a difference (at least in a way I'll say publicly! lol). There are plenty of photos and videos online that will help you with this, including the video from Sparkos’ YouTube channel. Similar threads [ROM][13][POLARIS] Pixel Experience [AOSP][2023/05/01] jjpprrrr; Jan 22, 2020; 102 Thus, the Op-Amp SS3602, as class A, works independently and heats up even if there is no input signal. The Sparkos Labs SS3602 Discrete Op amps are, put simply, just amazing. This is my mini-review of Burson Audio Supreme Sound V5i op amp. These are SOIC8 size, but you can buy OPA1612 opamps on eBay pre-soldered on a SOIC to DIP adapter. Share on Reddit Amplifiers, Phono preamp, and Analog Audio Review; Replies 5 Views 1K. Taking a lead form "rolling" tubes in tube products, a trend has started in replacing op-amps -- sometimes with much difficulty -- to improve performance of solid state products like DACs. It is equipped with two Texas Instruments TPA3255 amplifier chips which allows it to output Facebook X (Twitter) Reddit Pinterest Tumblr WhatsApp Email Share Link. I’m enjoying the audio quality and the build of the unit. Joseph1; Oct 30, 2023; Amplifiers, Phono preamp, and Analog Audio Review; Replies 3 Views 1K. Had to order some DIP8 standoffs from Amazon, but the SparkoS OPAMPs installed perfectly! Kinda wish Creative woulda made the spacing similar to the ZxR or X7, but I finally got 'em to work! Reply reply Colorado-based Sparkos Labs quietly built a reputation designing high quality, discrete op-amps, voltage regulators and power supplies for other headphone amp. Joined Jan 25, 2022 Messages 3,133 Likes 6,010 Location Will there be any noticeable improvement in the Sparkos edition ? AUDIOPHONICS HPA-S400ET SPARKOS EDITION Facebook Reddit Pinterest The stock OPA1612 dual op-amps together with a strong buffer stage are providing up to 2 Watts per channel in 32 Ohms via the balanced output and almost 1 Watt per channel in 300 Ohms – which This thread reminded me I hadn't posted about the Sparkos SS3602 swap I did some months ago (not intended as a review but more a log of the swap): Both dual opamps were purchased from the WANTED: Happy members who like to discuss audio and other topics related to our interest. I found the SparkOS to have a more crisp, clean sound while the Ne553x sounded more rounded off and smoothed over by comparison. (bypassing our gain adjustments) is higher gain (26. SPARKOS LABS SS3602. 242. Opa1642 4. The cost is US $72 on Amazon including prime shipping. Dual customzied solution will give unmeasurable distortion According to the TI datasheets OPA1612 has less noise than OPA1656. Chip Amps. Now have settled with LineageOS and a customized GApps package and a swapped kernel because the stock kernel offers horrendous battery endurance and performance. With all due respect, comparing DIY to a finished package is apples vs. Alex . On Saturday I have received the OPA1612, I have already installed them and since that day they are working all day in the place where I had planned to use this amp. Share Feb 10, 2023 at 10:03 AM AD827SQ, AD847SQ, OPA828, Sparkos SS3602, Burson V6 Vivid, OPA1611, OPA2156, and many many others. OPA1612 V6 vivid The Moode audio player 6. The OPA 627 is well over price and is bass heavy and it’s not worth the price you pay for it The OPA1612 and OPA827 are much better than any of these but these are SOIC and you’ll need an adapter with experience soldering skills. But for now I am The new breed of TI J-Fet opamps offer superior performance to that old soldier the OPA2134. We independently review all our recommendations. Opa1656 and opa1612 without tweaking have better performance than almost any discrete solution. ) Listed in order of The Sparkos Labs discrete voltage regulators have been reviewed in a Cambridge Audio Azur 851N Network Audio Player. In principle all variants should sound transparent, but you have the option to change the Audiophonics OP amp if you want. The SS3602 is really a no-brainer in every aspect while the DEXAs turned out to be more of a mixed bag, at least when trying to fit them in an electrically demanding environment such as my balanced preamp. That unit came with the Sonic Imagery's 990ENH discrete operational amplifier ("opamp") in the buffer stage (pre-amplifier). With the 2015 HDtracks Sampler, first track cue is Sonata for 2 Violins in G Major, Op. Might be interesting to do op-amp comparisons in the future on various products (the FX Audio DAC-X6 is also Head Fi member Wiljen said - For purposes of these tests, I started out with a Burson Swing and Fun DAC and amplifier. For the price of $189 + chassis the amp sounds amazing. The SparkOS has great instrument separation, no doubt about it and even the Staccato And if you install power hungry opamps like the Sparkos then regulators need to work even harder. I really like the new white multi-segment display with its large volume level indicator. Transients are stronger, both rimshots of snare drum I heard the XD-05 supports easy op amp swapping as well so that could be a fun rabbit hole. Great for first time builders (just need some drill work for the chassis). Operational amplifiers are specialised amplifiers that have high input impedance, low output impedance, high gain as well as large bandwidth. 00-PAIR TWO Sonic Imagery Labs 995FET-Ticha Discrete OpAmp API VTV THD vs Frequency measurement: DAC: Topping E30 II Lite DAC mode, F6 filter, RCA out USB in, 192kHz 24bits MI 20Hz-20kHz -3dBFS signal No dithering - ADC: RME ADI-2/4 Pro SE Mono 13dBu, 192kHz, Sharp filter - FFT: 128k 1s, Dolph-Chebyshev 200 window, 4 averages - BW: 20Hz-90kHz I talked to a TI/B-B applications engineer today. Gallery Archive Articles. The OPA1612 is fuller sounding - especially lower midrange but also more dynamic. It is less fatiguing than the MUSES01 however, seating the listener further back from the stage. - high levels of DC precision are generally not required by audio customers (audio equipment makers). Is the difference in The single of the OPA1612 is the OPA1611. com/shop/FOLLOW ME ON SOCIAL MEDIA:📱 https://www. Theme - Light; ASR Master Review Index | Lecture Library | Interview However they measure and perform worse than SOTA audio ICs like lme49720, opa1612, opa1656 etc. First is my Matrix M-stage HPA-1 desktop amp using Tidal HiFi into a Schiit Bifrost Uber. All five op amps have more than half the noise compared to the NJM4560. Amplifiers. Penon ASOS+X Review. Facebook Reddit Pinterest Tumblr WhatsApp Email Share Link. I preferred the Sparkos for having the smoothest and most natural treble without loss of detail. But you can hardly find anything on the net about this douk audio T8. When we developed the OPA1656, this was also a major design target for us, and the designer and myself spent quite awhile in the lab with previous CMOS audio op amps (specifically Bass depth was improved slightly to my ear, but detail was improved substantially. The DAC I-Sabre ES9038Q2M cost 129 Euros from Audiophonics direct. The OPA827 for example has superior load drive,much lower distortion and miniscule DC offset. I swapped in the sparkos lab op amp for the last hour. Quote from Douglass Schroeder – “Overall, the Sparkos op amps are smooth, refined, and made the Pass Labs amps sound beefier and more balanced tonally from top to bottom. This is a review and detailed measurements of the AIYIMA A07 desktop amplifier based on TPA3255 class D amplifier chip. Gain insights into performance and user feedback on this high-quality component. It's the culmination of a lifetime passion for audio, and electronic design and engineering. Get the Reddit app Scan this QR code to download the app now. I got a latest A07 Pro last week but did not really satisfy after tried on 2x sparkos and 3x 1612 . D. com SBOS450C –JULY 2009–REVISED AUGUST 2014 5 Pin Configuration and Functions D Package OPA1611, SOIC-8 D Package (Top View) OPA1612, SOIC-8 (Top View) DRG Package OPA1612, SON-8 (Top View) (1) NC denotes no internal connection. All I was asked for was an "honest review" posted on one of the sites I'm a regular on, no strings attached. are you the owner of the amp tested? In that case the measurements would be for the OPA1612? Reactions: ivanj, pseudoid and pablolie. ”For those who want to do just that, it is difficult selecting which op amps to “roll with”. ly/LinSoulWatch the Gemini tube rolling vi SparkosLabs is finalizing the manufacture of their new Hybrid Headphone/Pre, The Gemini! Priced at $995 and should be shipping sometime in late September. And as of this shipping, it also included a 32 volt, 5 Sparkos vs muses02 vs some Bursons (v5i, vivid, etc). Paired with the Burson, it can sound great with most music and too holographic in a some. It's fully tricked out with Sparkos opamps and USB input. Its four times LME 49720 NA. It has two outputs – asymmetrical 6. Sparkos Labs SS2590 Discrete OPA Output Stage Sparkos Labs Discrete Voltage Regulators Zero Global Feedback No Capacitors In The Signal Path 6922 Vacuum Tube Front-End Allows For Tube Rolling User Adjustable Tube Bias point The Amount Of “Tube Sound” Is User Controllable Tube Heater Soft Start 40 second Tube Warm-Up Delay He talked to me about OPA1611's versus OPA134's as well as the OPA1612's versus OPA2134's. Edit: US price Get any OPA1612 or 1656 @ fair price for great performance, safe value ! Discrete OpAmp Review: Sonic Imagery vs Sparkos Recently I reviewed the Nord Three SE 1ET400A Dual Mono Stereo Amplifier. The legendary Douglass Schroeder of Dagogo. com has reviewed the Sparkos Labs Discrete Op Amps in an Eastern Electric Minimax DAC. Member. I've only used it in a MINT, but I liked it substantially better than the 2132 and almost as much as the AD8620. *Even though one of the ASR reviews showed excessive temperatures in the Sparkos, this sparkos and this unit is only warm, not hot to the touch and thus not exceeding the temperature allowed in its technical documentation. NAD is cheaper and has a better case (that aluminium case of the Apollon looks quite similar to the Nord cases and those are flimsy cases at best). The manufacturers encourage opamp rolling. Something like that. My phono preamp, bye the way, uses OPA1611/1612 and OPA1641/1642s- amongst others. The 2nd device I use it in is a portable Dap/amp the Walnut Hi-Fi V2. This is the Geshelli Labs J2 socketed dac with the AKM chip AND a Sparkos Labs dual opamp on the RCA outs. For a DAC chip with a low output current, I would suggest op amps with FET type inputs, either JFETs or CMOS. SparkOS is an AOSP based ROM, packed with many features without sacrificing stability and performance. Share Reactions: mr joe and CrownLands. POPs OPA1611, OPA1612 www. Worth noting: the XD05 Pro opamp printboard just manages to accomodate the SS3602, critical due to In the review of the Fosi V3 (Fosi Audio V3 Amplifier Review), Amir wrote “There are replaceable op-amps for those of you who have nothing better to do than mess with the design. If you find a review, it could be for an OP275 buffer (they changed the SparkoS Labs’ discrete op-amps have become popular in the audio community, with folks often using them to replace the standard op-amps (from Texas Instruments et al) in their headphone amplifiers. I also tried a few other op amps, OPA1612, OPA627, and Burson V6 Vivid, but I preferred the Sparkos to any of these. See what the world thinks about our high-quality audio components and their performance. Reddit. So what I'm really looking for is the difference between the brands in built quality, the use of one or two PSU's, buffers, Dive into our comprehensive review of the Marantz CD94 with discrete voltage regulator to experience unparalleled sound quality like never before. I don't know if anyone sells it cheaper or not. As promised, here I am back with my listening impression of the SS3602 in my Burmester preamp. So two ss3602s were ordered The Sparkos ss3602 is a discrete op amp that can be substituted in the V3. com. What is my opinion from the subjectivity of just listening to music?, I think it is a great product considering its price. Sometimes, little ideas become big SparkOS is an AOSP based rom with customizations, mainly focused on stability and most of all smoothness. At the time I was driving the amp with Topping D90 thru a Schiit Freya + using the passive volume control. V6 vivid measured superb tho. Code. just as collection and sharing for something i thought unique. For a close headphone it has a pretty wide open sound. Close to zero DC mv at its output would enable removal of the dreaded electrolytic coupling caps which will definitely lower colouration and The SS2590 discrete op amp is designed to be the ultimate op amp for use in studio and pro audio applications. Gemini Review. OPA1612 is fuller sounding - especially lower midrange but also more dynamic. A select The Sparkos ones I've looked at eg SS3602 doesn't fit. Response is excellent as you rotate the encoder. Nevertheless, when you swap opamps, you need an oscilloscope and do some measurements prior vs. Copy URL BB code. ) Your measurements of the OPA1612 and the Sonic Imagery 990 were the same? The OPA1612 are not exactly "cheap" but not so expensive and those discrete opamps Shop our Marchand active discrete op amps with our review of SS3602 upgrades. This player uses many regulators for the dual DAC circuit, ten LM78XX, and Between Sparkos and Burson you are jumping straight into the pinnacle of what opamps can do. In my quest for an alternative? to the SS3602, I came across Passion for Sound's review of the Burson V7 op-amp, where he discussed its performance and compared it with the Sparkos SS3602. Designed by Andrew Sparks of Sparkos labs, the buffer features a direct coupled dual triode driving a four transistor Wilson current mirror. Purchases made via our links may earn us a commission. It appears that the OPA1611/2 have a lower noise Upgrade op amps vs new amp. Joseph1. I have them measured ln violectric v200 and gain stage of o2. The Sparkos are quite a bit taller (and wider) than the stock JRC 4580D opamps so I used some longer 10mm bolts and 8x5mm lock nuts to keep the card's shield a few millimeters clear of them I found the SparkOS to have a more crisp, clean sound while the Ne553x sounded more rounded off and smoothed over by comparison. Head-Fi Thread on the Gemini. Desire to learn and share knowledge of science required. Being new here, I expect to be "carried on the shoulder of giants" when it comes to (scientific) Either one should do the job. Home. Vendor's Bazaar. This is a placeholder for an upcoming A/B test/review of these two great DACs. Or check it out in the app stores Home; Hi all it seems my creative X7 with sparkos op amps just died and it only comes with a 1 year warranty my question is will I notice a difference in sound quality moving to FIIO K9 pro? HEDDphone TWO Open-back AMT Headphones Review Buy Sparkos Labs Gemini: https://shrsl. Contributors have tried a few different ones (NE5532, LM4562, MUSES02, Sparkos SS3602) with the units. Spectacular sound with them, very clean, engaging, resolving, spacious. OP . As for noise and distortion Well, there isn’t any. Thank Amir so much for the measurement! The V3 Mono is another amplifier co-created with members, following the V3 stereo amp. The Topping has a iFi Ipower power supply. Reactions: Russ_L and amirm. OPA1612: OPA1612 (Supports dual chips) Output power (32Ω) 500mW: 1000mW: I also saw Amazon review of people complaining about this. The single of the OPA1612 is the OPA1611. 🤷♂️ Reading the other comments here, maybe buying a whole other amp would be better, but I already had the A07, but instead of junking it, I improved it SparkOS is an AOSP based rom with customizations, mainly focused on stability and most of all smoothness. Aiyima T9. Also for this Thought this amp deserved its own thread on here in full size amps. I love the sound of cymbals and the pings, splashes and crashes sounded so natural and the decay as if they were live. Of course. A number of years ago, I upgraded the stock LM6172 op-amps in a Marantz CD67-SE to OPA-627s, as part of a hot rod job (upgraded caps and fully reworked output stage). Its main menu controlled by the touch screen is a bit more Having enjoyed my recently upgraded J2S (AKM 4493/TI -> AKM 4499EX/Sparkos SS3602), I wondered about what the Sparkos SS2590 might bring to the picture. Standard opamp for that has pretty much become OPA1612. com OPA1612, MUSES8820, OPA1692, LME49723 and the NJM8801. Gallery Archive Looks really good. audiosciencereview. Recently, Burson asked if I would like to audition a set of vs Burson V6 Vivid. The OPA1656, OPA1612 (the ones I'm currently using) or a low noise NE5532AP (if you really like the sound from the stock opamps). August 23, 2024. I have the Matrix Audio Element i that’s operating as preamp/DAC/streamer and the two are connected using XLR cables. The only love/hate in this review is with the A1000X. ti. Audio, Audio, Audio! That may be so, but, if you read my post above again, where is my referral code, or my offer for people to message me for my referral code ? You won’t find them, because they aren’t there, are they ? This is a study of whether changing op-amps in a DAC makes a measurable difference. That unit came with the Sonic Imagery's 990ENH discrete operational He talked to me about OPA1611's versus OPA134's as well as the OPA1612's versus OPA2134's. It was kindly drop shipped to me by a member and costs US $299. diyAudio Community diyAudio Store. The V3 Mono is our first amp with PFFB implementation. For starters, their CEO ‘ Lütz’ is a small white dog, and their quality-control officer (sorry if I got his title wrong) ‘Disapproving Howard’, is a carved wooden statue. 0 was my music playback (as usual) for the Raspberry Pi 3B+ single board computer. Audio, Audio, Audio! General Audio Discussions. At least -120db thd performance. Ne5532 Discrete OpAmp Review: Sonic Imagery vs Sparkos Facebook Reddit Pinterest Tumblr WhatsApp Email Share Link. Furthermore, there is so much bass tuned in the frequencies. 3. My first set of separate OpAmps, ushering my foray into the brave new world of OpAmmetryLoL Dry, crisp, analytical and non-intrusive (as compared to the bold NE5532) is I'll look at it if you know of one amp using OPA1612 sounding audibly better than another amp using cheaper op amp in objective listening comparison. Read the review of the Sparkos Labs SS2590 in DIYRE CP5 Mic Pre and EQP5. Adcom GDA-600 (completely rebuilt with upgraded capacitors and Sparkos opamps) 3. I am not a At that point, I felt like Mobimatter was a scam, but I searched and most reviews of reddit seemed real and were positive about it. Forum Style I have a ZA3 that I bought direct from you, that I received one week ago. I was surprised by the quality of the Audiophile Lounge internet radio (320 kbps mp3) playing similarly to a live quality flac music source as OPA1612 was replaced by the Burson V6 Vivid. Latest Stories 59; Review. Click here to have your audio equipment measured for free! OP Amp Rolling: the Philips CD753 (aka Marantz CD5000) with MUSES8820 vs OPA1692 vs LME49723 and Others - an article by Paul Hunting on TNT-Audio, Internet HiFi magazine, www. I listen to mostly electronic music. Fosi ZA3 Class D Amplifier review by KonusAg. Not only is tube rolling possible, but explicitly encouraged by Sparkos Labs. AIYIMA A03 - OP AMP Change. When Amir ran the test he had to use an Upgrade op amps vs new amp Review/Discussion Is it worth upgrading the op amps for sparkos labs on the Aiyima a07 or just getting a better amp like the Cambridge Axa35 or Yamaha as301? r/Music — Reddit’s #1 Music Community — “Life is Tubey, better late than never - I just replaced all NE5532 amps in Benchmark DAC1 with OPA1612 and play it so far for few hours. Just did an A/B with 2 opamp buffers on my Hypex NC500 I've had the Burson V5i, and the V6vivid and I have no space to put a sparkos labs opamp single or dual channel. Transients are stronger, both rimshots of snare drum and big-band trumpets. I improved streaming to the Arcam using a WiiM Pro vs trying to stream from Fire TV or Roku. It has a Ifi iPowerX power supply. Facebook Twitter Reddit WhatsApp Email Share Link. Schiit Modi multibit 2 4. Share Reactions: tincanear, ku1185, rafalexp and 4 others. - Audiophonics HPA-S400ET Sparkos Edition (single SMPS1200A400 PSU) - 2x Audiophonics MPA-S400ET mono block (SMPS600A400 PSU) I guess if I would decide to go for a Hypex module, the same brands come by. PAIR OPA1612 Opamp in DIP8 adapter for VTV Amplifier Custom Buffer $ 48. Copy SHOWCASE BB code . That is why I am in a quest for a cleaner power supply, which Our Op Amp Shootout page has always been the site's top post. 4" plug). I Just sounds a hair more deep and sparkly overall to me. Your review * Name * Email * Related products. I might get to try the V6 Vivids, but that's not certain yet. Xduoo 05+ Upgrade. 00-PAIR TWO Sonic Imagery Labs 990Enh-Ticha Discrete OpAmp API VTV Amplifier $ 132. The look is typical of Geshelli products with use of plexiglass. Topping on "sound setting 4". Some soundstage improvement as well. I put it in my DIYRE CP5 mic pre and right away I noticed a difference. 2. SS3602 Dual Discrete Op Amp. First you need to understand about input signal voltage, potentiometer position and amplifier gain. I bought the VTV buffers with Sparkos SS3602 op amps. Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link. - Piano: The percussion of the hammers hitting the strings was more realistically portrayed, and a slight edge heard with the LT1028's went away when using the Hi! I would like to share with you my own listening experience with the new Fosi Audio ZA3. Get SparkOS. Outforce) · GBX · Sparkos · OutforceRebooted (GBX & Sparkos vs. Last edited: Feb 8, 2023. J. My statements were verified: - OPA1611/1612 are optimized for better distortion than the OPA211 (already pretty good). 8K. The Sparkos Labs SS3602! All I can say my dear fellas, is screw all of the op amps from TI, Muses, ADI etc. Upgrade/Mod with Sparkos Labs SS3602 Dual Op amps: You would be inclined to think, given an excellent stock op amp like 49720, how could one possibly do better than the H20 stock sound. the NewClassD (confusingly Sonic Imagery 990ENH ($85 / unit) VS Sparkos Pro SS2590 ($60 / unit) VS OPA1612 ($10) Discrete OpAmp Review: Sonic Imagery vs Sparkos Facebook Reddit Pinterest Tumblr WhatsApp Email Share Link. I didn't receive monetary or any other kind of compensation and I don't use affiliate links. Sparkos Labs, Discrete Op-Amps SS3603 Dual Op Amp, a listening test by Mike Cox on TNT-Audio, Internet HiFi magazine, www. So I ordered the VTV buffer with the Sparkos SS3602 op amp,(DIP8 format). hehe) TPA3255+NE5532Replaceable operational amplifier chips: RT3609SM, OPA2604, OPA2134, LM4562, JRC5532, OP275GSZ, OPA1612, MUSES01/02/03 The ERISH2 uses two $6 OPA1612 chip amps along with four single channel buffers. Sweeping power vs frequency and distortion shows a very well behaved class D amplifier: Facebook Reddit Pinterest Tumblr WhatsApp I talked to my friend Andrew Sparks, who runs Sparkos Labs, about creating a new review for the site. SS3602 OpAmps improve the HiFi experience in all aspects but one: the relative volume is slightly less than with OPA1612. Disclaimer: The XD-05 Basic was provided by Xduoo for this review at my request. Never heard a Weiss. [Review] Convoy S2+ MAO || Nichia 519A 4500K, 1x18650 || High CRI Goodness w/ MAO finish I purchased the VTV buffer with Sparkos SS3602 op amp which I found to be much more agreeable. Overall, don't recommend opamp Note: I was sent this opamp by Burson. Facebook Muses02 vs BB OPA2134 in Topping A30 (single-ended to differential buffer) Rig includes: Topping A30 and D30, HD600s (vintage 2017) with HD650 (genuine Sennheiser replacement part) 3m cable (1. These stages also implement the RIAA correction and use precision 1% tolerance Polypropylene Film capacitors (the large aqua colored caps) and precision 0. The sound is very warm, wide, and analog. Pinterest. Low output current would mean the transimpedance gain of the I/V circuit will be high, and the input current noise of the op amp will be a significant contributor. Date : 2024-04-02. The Yggdrasil is the clear winner. My other higher priced opamps I have are the Sparkos SS3602 and the Muses 8820. Unfortunately, This review has been posted for SPARKOS LABS SS3602 Dual Discrete OPA DIP8 (Unit) Note : 5 / 5. Something better than the LM4562? diyAudio Community diyAudio Store. ly/3cPsQgdGet the Sparkos Aries here: https://sparkoslabs. Beave OPA1612 X8: LME47920 The X8 actually comes with a box of several. I personally like the possibility to change the sound with the equalizer. forami. Jul 28, 2024. Colorado-based SparkoS Labs is not exactly your run-of-the-mill audio manufacturer – far from it, in fact. SS3602 Dual Op Amp Review. About SparkoS Labs. Sparkos Labs SS3601 Discrete Op-Amps The Sparkos SS3602 had more treble and sparkle to the sound and maybe the sound was also more open than all the other tested. There are many cheap opamps to try. The sound difference is an "Oh Wow" experience. Facebook Reddit Pinterest Tumblr WhatsApp Email I really like the 2604. The V6V design for speed gives it crisp edges but sections are still fairly wide when seating the orchestra, the Staccato has a bit tighter definition and almost as good an edge as the V6V in this department. Here are the measurements of the dual mono and with different op amps (Sonic Imagery 994, OPA1656, LM4562). The SparkoS Labs Aries Headphone Amplifier joins some elite company in 2022. the LT1028's. This was kindly sent to me near a year ago by Audiophonics. Unlike the IC amplification chips often used, the Sparkos SS3602 delivers a much more realistic and detailed sound. I also found the SparkOS to be more dynamic than the Ne553x with really thunderous passages being closer to real This is a review and detailed measurements of the Topping E70 stereo USB DAC with Bluetooth. AOSP based rom with customizations, mainly focused on stability and most of all smoothness. Check them out, and enjoy. Spacious without feeling distant like AD8599 for example. Adcom GDA-700 (completely rebuilt with upgraded capacitors and Sparkos opamps) 5. I have owned the XD-05 for several years now and the Plus for about a year and think the XD-05 series is one of Xduoo’s best to date and one of the best portable DAC/Amps in the budget space. Provided to YouTube by Emubands LtdAmazed (GBX & Sparkos vs. It's not "buy X" instead of Hypex; it's "buy X and build it" instead of buying a finished Hypex SMPS. Thread starter forami; Start date 2022-05-15 10:48 am; Jump to Latest F. Oct 12, 2023 at 3:14 PM Joined Dec 14, 2010 Posts 5,802 Likes 18,591. or try to promote. My decision to buy the aries was based on a number of factors: 1) the sparko pro opamps sounded great in my burson conductor 3X ref and better than the burson V6 vivid. I promptly got in touch with Andrew at Sparkos labs; a top guy that never got tired of answering all my silly questions and even went above the call of duty to help me out on another aspect of my amp that had nothing to do with any of his products or upgrades. My phono preamp, bye I found it to have better dynamics than the OPA1612, but not quite as dynamic as the MUSES01. The first step is to find and remove the existing components. Upgrade your music experience with SparkoS Labs SS3602, MUSES02, OPA2604AP, OPA2134PA - high-quality amplifier chips for BT20A PRO and V3. all edginess in instruments (even though it's laid back spatially) can be further refined and made more accurate tonally using high end op amps like sparkos ss3602, which also adds sense of actually being in an environment Read customer feedback and reviews on Sparkos Labs products. FWIW I love the V6 Vivids that come with my Burson amp, but people say the Sparkos are great as well - more airiness and soundstage. I only tried the Sparkos so far. Noise is roughly around 3-4nV. In my experience the OPA828, SS3602 and MUSES03 are easily the best I've heard, regardless of whether The OPA2134 is very ordinary, I consider it a side step to the NE5532. If you want discrete, then Sonic Imagery 994 or the Weiss op amps. This is desktop ‘everything’ for a reasonable price with an integrated balanced engineered headphone amplifier, a dual Heard that opa1612 might be better for <600ohm. SS3601 Single Discrete Op Amp. My written review can be found here: https://bit. They are also based in the USA, so that makes returns and Don't tell that to your employer when you show a new design for review. Reactions: wave, Hugo9000 Facebook Reddit This was the very first professional review of the discrete op amps, performed by Mike Cox of TnT audio back in 2014 on a Maverick Audio DAC. It was the SS2590 that had peaked my interest, for a new op-amp review. These amps are really interesting very tiny in size, marked 1 near upper left pin and 8 near upper right pin and the notch is in the middle. IIUC the folks at Sparkos designed the board for Allo or they collaborated on it. It measures quite a bit better than the opa2134 in a variety of areas and has the same pin configuration, which means they are directly swappable. The official unofficial subreddit for Elite Dangerous, we even have devs lurking the sub! Elite Dangerous brings gaming’s original open world adventure to the modern generation with a stunning recreation of the entire Milky Way galaxy. Has the Pass Labs HPA-1 finally met its match? The SparkoS Labs Aries Headphone Amplifier joins some elite company in 2022. Or check it out in the app stores Anyone tried both Staccato opamp and Sparkos SS3602, and what was the best for Aiyima a07? Nerf brand blasters, alternative-brands, modifications, community made designs, competitive wars, Humans vs. After my last review of the SS V5 Opamps, Burson has sent over some more SS (Supreme Sound) discreet op-amps for my review. Many thanks! B. Forums. I have a XP3 PSU for the X8. But that does not say anything about the SQ. For the asking price, the Maverick D2 is outstanding value for Opa1612 and LM4562/LME49720 are both good. Some say that the LME 49720 are the headphone amps, others say that only the AD8397 are the headphone amps. And as of this shipping, it also included a 32 volt, 5 You may try what ESS recommends for I/V stage (AD797) or what most ESS DAC's manufacturers are using these days in I/V stage: OPA1612. Outforce)℗ 2022 Gbx Recordings L I bought the 2 Sparkos Labs Dual Discrete Op Amp SS3602's on sale and put in my A07 and I thought it made a big difference in clarity over stock. I also found the SparkOS to be more dynamic than the Ne553x with really My OP1656 OpAmp Review. It has the most stable input capacitance vs. Removing IC op-amps can be a little tricky, especially if they’re located in a tight space or if you don’t have the LME49720 vs OPA1612 vs Muses02. 35 mm and balanced 4-Pin XLR, as well as line inputs and outputs on RCA connectors. Simply put, it looks like it is a good midrange DAP that is the most flexible in the market with its features and usage, even compared to A&Ks offerings, and it's coming in at a cheaper price than the M15 did! 7. Took the 12GB plan for 12$ and It was perfect. As one would expect, the SparkoS Labs Aries Headphone Amplifier is assembled with a judicious and healthy smattering of SparkoS Labs discrete Op-Amps and Voltage Regulators. 130. Facebook Reddit Pinterest Tumblr WhatsApp Email This is a review and detailed measurements of the AIYIMA A70 stereo class D amplifier. LME49720 vs OPA1612 vs Muses02. There are many reviews of audio hardware and expert members to help answer your questions. Hey matias, here's some reviews worth looking at. Pin can be left floating or connected to any voltage between (V–) The OPA-627 is a terrific op-amp. amirm Founder/Admin. Audiophonics uses TI-LM4562 by default, which on paper has slightly lesser specs than the OPA1612 and OPA1656 which are used in the other custom implementations (EVAL, VTV, Neurochrome, BoXem etc). 00-PAIR Sparkos SS2590 Pro Single Discrete OpAmp $ 119. Zombies, Water Blasters, and much more The SU-10 is made of a solid block of precise CNC milled aluminum alloy, and it comes in popular black. Or check it out in the app stores TOPICS I received and installed the Sparkos SS3601 single OPAMPs this evening. VS Benchmark HPA4 ($3000) In terms of features and functionality, HPA4 goes ahead offering more inputs and outputs on the back and an additional 4-pin XLR output on the front panel. Op amps do differ in their distortion profiles. 65: Posted on December 5, 2020 at 06:11:39: brass and violins. Hi everyone, this message is destinated for customers which have AE-9 with mentioned by me opamps, could you write own short review? I am using 2x burson v6 vivid and it finally removes "warm" effect Of course. Now we are going to walk into a different level of design, discrete V5 series (OPA) design by Burson Audio. I did an A/B comparison to LME47920 (metal cans), burson V5i, V6 and also the Sparkos Pro discrete op-amps on one of my DAC's. I’d prefer the TI OPA1612, or a similar low This is a review and detailed measurements of the AIYIMA A07 desktop amplifier based on TPA3255 class D amplifier chip. Penon ASOS+X Review 1. The Fosi Audio ZA3 is a compact integrated class D amplifier that can operate in both stereo and mono mode. aiyima. Any chance you have some measurements of the OPA1612 compared to the Sparkos SS2590 for the regular dual mono? I was also curious how many of the SS2590 opamps are Get the Reddit app Scan this QR code to download the app now. oranges. Small update of the opamps change on my Aiyima a07 Pro. SparkoS Labs Aries Review – Shooting for the stars! Sandu Vitalie March 28, 2020. Oct 30, 2023. Just know that when you submit a contact form to Sparkos Labs, you will get a response from Sparko himself. AD797 and LME49720 and LME49860 are some staples that you should try. I already have an Aiyima A07 that I modified a little (replacing the AOPs with two SPARKOS LABS SS3602 + changing the 4 inductors + red WIMA capacitors - the sound has improved a lot compared to the original version). But I would still like to see the OPA1656 It beats the the Topping D30 pro and SMSL M500 by a country mile. I really want to try Sparkos or even Bursons but Amplifiers, Phono preamp, and Analog Audio Review . I think people spring for them, at least in part, because they look neat. power, the discrete op amp has much lower distortion before clipping while it is on par with the OPA1656 at lower power. NiceHCK DragonScale 2 Review The first and obvious conclusion: we must avoid the audiophile Burson Audio V5. To me, Sparkos Labs are one of the best discrete op–amp brands I have found, especially for the money. In the front of the SU-10 is the large screen to display fully, the higher light transmittance highlights simplicity and beauty, and The review sample was kindly provided by Aune Audio free of charge in exchange for an honest review. A few months ago I The xDuoo XD05 Pro portable decoder and amplifier in this feature is one of the largest portable amplifiers of its kind. What makes SparkOS special? Stability. At the risk of immediately coming across as exaggerated and/or hyped -- the "battle" was simply an epic slaughter! The biggest thing I noticed about the V5i was how accurate and snappy the audio is, excellent for movies and bass tempo oriented music really pops. Initial impression is very satisfactory, the background is dead quiet. A small American company, which became famous for its discrete op-amps, introduced Gemini, a hybrid headphone amplifier. Worth every penny. Any chance you have some measurements of the OPA1612 compared to the Sparkos SS2590 for the regular dual mono? I was also curious how many of the SS2590 opamps are A close up of a couple of the Sparkos Labs SS3602 Dual Discrete Op Amps which are used in the 2nd and 3rd stages of the Phono Amp. The cheaper chip opamps are still fun to roll though and teach you what to listen for in opamps. SparkOS Discrete Op-amps SS3601 and SS3602 with comparisons to Ne5532/5534, Muses02, Burson v6 Classic, and Burson v6 Vivid op amps. Is it worth upgrading the op amps for sparkos labs on the Aiyima a07 or just getting a better amp like the Cambridge Axa35 or Yamaha as301? Is the OPA1612 good enough to feed into an external amp? It's in the Fiio K3s but I want to use it as a standalone DAC With the rave reviews of the AKM 4499EX, I decided to try the Geshelli Labs J2, 4499EX version. So, parts are not spec'ed for or AIO: Violectric DHA V226, Questyle CMA 400i, Hifiman Serenade DAC: Holo Audio Cyan 2, Gustard X26 Pro, Cayin DAC11 [Siemens CCa] PRE: Gustard P26 [Sparkos SS2590] AMP: Cayin HA-3A, Sparkos Labs Gemini, Gustard H26, Hifiman Prelude HP: Denon AH-D9200, E-MU Teak, Klipsch HP-3, Dan Clark AEON 2 Closed, Meze Liric, Personally I have hopped between SparkOS, CherishOS, KaleidoscopeOS, crDroid and CorvusOS. Solid State. Thread starter kaopad999; Start date Sep 12, 2022; Tags aiyima aiyima t9 I am very curious about the whole OP Amp upgrade path with some sparkos given the reviews but for now I'll just enjoy the stock op amps. So, it is a different design and chip. vs SparkOS SS3601. Hello, I am considering buying two Fosi Za3s for the end of the year to do dual mono mode. Audiofool Reviews – 21 Apr 19. The price of the X8 18th Anniversary edition is $299 (without Bluetooth) and you can buy it from Amazon. com I kept with the op amp output for the duration of this review but for anyone interested I have added a section at the end on the valve output. SQ was about the same as other ESS-based dacs in that class. I have replaced the 3-Terminal IC regulators with the Sparkos Labs discrete voltage regulators in my network audio player, the Cambridge Audio Azur 851N. You guys should send one to Amir for review. I compared them to the DEXA opamps. I swapped these for several different op amps including OPA1612, Burson V6 Vivid, and OPA627. The WiiM Pro is now connected to an AVR input via SPDIF and it does sound very good. All four channels, two each for left and right, are handled independently to achieve maximum signal–to–noise ratio (SNR) and minimum distortion + noise specs (THD+N), “basically at the limits of the opamps,” Sherri Geshelli told me. Built in the USA, the SS3602 discrete stereo op amp from Sparkos Labs is the ideal upgrade for the amplifier stages of a wide range of audio equipment.
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