Fosi za3 sparkos

Fosi za3 sparkos. Because the Fosi only has one input I chose streaming as my material. Completely subjective two-cent perception here, but when I changed my ZA3 opamps to the Sparkos', my first impression was that these play quieter than the TI's. The second problem is really odd. Simgot EM2. The amplifier has really dressed up from its earlier origins of common enclosures in budget class amplifiers. Sparko’s Labs has created a family of discrete op amps in an 8 pin DIP compatible package optimized for high performance audio applications. Ce petit amplificateur intégré Fosi Audio ZA3 compact et puissant à la particularité de pouvoir fonctionner aussi bien en mode stéréo qu'en mode mono. Feb 10, 2024 · The Fosi builds volume quickly when connected to my CD player's line level outputs. but above that it's distortion rises sharply. The owner then ordered a set of Sparkos Pro SS2590 discrete opamps. 🛒Get the【Replaceable Op Amp For The BT20A PRO And V3 】atFosi Audio Shop: https://bit. Based on my experience, I concur with this assessment. Features. The V3 supports a variety of dual 8-pin op-amps such as Sparkos SS3602, MUSES02, OPA2604, OPA2134PA, OP249, AD827, RM4559, LM4562, LME49720HA. •SINAD: 88dB. After managing to open up the chassis, I noted the orientation of the stock TI NE5532 op amps at the TPA3255 Class D amp's inputs. Code. Didn’t see the price for this. But is it worth the money, or is it even better than the ZA3 ? 00:00 - Fosi ZA3 vs Fosi V3 - Don't Choose Wrong Amp ! 02:04 - That's How You Know That You're in Love - Loving Caliber PCM 03:34 - Purple Beach - Giants’ nest PCM 05:04 - Monsoons - Johannes Bornlof PCM 06:34- The Last Kiss - Ritchie Everett PCM 08:04 - Love You For It All The ZA3 stocks five swappable op-amps for left and right channel outputs, balanced input, and subwoofer output. In Fosi V3 we get 100V version with 5% tolerance ("J" grade). That unit came with the Sonic Imagery's 990ENH discrete operational amplifier ("opamp") in the buffer stage (pre-amplifier). With the Fosi Audio V3, you can enjoy peace of mind thanks to its 24-month warranty. I understand that many people need to have the volume pot fixed, because they adjust volume at the DAC, or because they use multiple amps. SparkOS Discrete Op-amps SS3601 and SS3602 with comparisons to Ne5532/5534, Muses02, Burson v6 Classic, and Burson v6 Vivid op amps. As of this writeup, the MSRP is approximately $150 Sep 6, 2023 · 2. I didn’t hear any noticeable changes (and didn't expect) changes from replacing This is a quick and easy tutorial on how to replace the OP Amps inside the Fosi Audio ZA3 amplifier. #582. Dec 11, 2023 · The Fosi Audio ZA3 is an impressive amplifier, offering high-quality sound, versatile features, and efficient operation. Jun 20, 2023 · Jun 27, 2023. SparkoS Labs. As to spacing, it is hard to tell from images if the Sparkos SS3602 will fit there. Il se dote d'une entrée stéréo Sep 28, 2023 · Fosi ZA3 TPA3255 Mono/Stereo Switchable Amplifier, and vs Aiyima A07 Max. Add to cart. I have the 48v power supply. Worry-Free: Enjoy peace of mind with the V3 stereo amplifier. "Music hath charms to soothe the savage breast". This is yet another demonstration of how a more premium casing and a higher quality aesthetic perception affects the perception of sound. 0 Amplifier Chip: Texas Instruments TPA3255 SINAD: 89dB SNR: ≥106dB Dynamic Range: ≥106dB THD: Feb 10, 2024 · I just ran some tests on two different ZA3's (my broken one with the broken right RCA in, and the replacement one) and with 1v in at 1Khz test tone, I get 29. Oct 10, 2023 · A note. Oct 10, 2023 · Greetings! We're happy to share with ASR members that our first dual-mode balanced amplifier ZA3 is about to be released! Here are some details about this amp. T9 pro is a good unit but has (in my opinion, way) less control over the bass and a slimmer soundstage. I am adding the Sparkos ss3602 in the near future to add a bit of refinement to the sound on the upper end. Feb 21, 2024 · Fosi Audio ZA3 Balanced Stereo Amplifier Home Audio Component Mini 2 Channel Mono Amp TPA3255 for Subwoofer Desktop Home Theater Bookshelf Tower Floorstanding Passive Speakers with 48V Power Supply 4. SparkoS SS3602+DIP SOCKET - $163. It comes with five swappable op-amps for different outputs, including left and right channels, balanced input, and subwoofer output. SKU: SS2590 Category: Op Amps Tags: API op amp, pro op amp discrete op amp. comLicense code: FJU1ZCXJVIGGOCUF Jun 3, 2020 · The SS2590 is likely the best op-amp in my entire collection, unless you solely want bass output. A few of the other op-amps seem to have a higher bass amplitude/volume, so keep that in mind. 26dB in mono setting. Jan 4, 2024 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright The ZA3 stocks five swappable op-amps for left and right channel outputs, balanced input, and subwoofer output. •Input: RCA, XLR. The Fosi Audio ZA3 is an impressive amplifier, offering high-quality sound, versatile features, and efficient operation. It was sent to me by the company and costs US $149. Specifications Channel: 2. Nov 18, 2023 · 68. e using it as a power amp). Poor recordings of blues, rock, and jazz sound are not as 1. My plan is to leave it on overnight and keep it in stock configuration through Friday evening, then install the Burr Brown OPA 2135PA op-amps and repeat the process. " Dec 20, 2023 · Overall, it sounds pretty good, but a/b-ing with the RA150, the Fosi ZA3 sounds “wetter,” while the Alesis definitely has a drier, crisper sound. I have a Arylic stream which I run into the A07 Max. Atoll is a good amp, but but for the genres of music that I listen to (rock, heavy metal) it's not the best choice. Apr 1, 2024 · In this video is a demo of the Fosi ZA3 with standard opamps and with Sparkos Labs SS3602. . Amplifying Your Voice, Shaping Our Innovation At Fosi Audio, behind every innovation, there's a story. Prev. 99 with 48 volt power supply. Upon unboxing the nicely packed amp and 48V-5A power supply, both pieces were ice cold, so I had to allow for everything to warm up to room temperature before powering anything on. ) 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 Customize your sound like never before. •Mode: Stereo, Mono. The ZA3 stocks five swappable op-amps for left and right channel outputs, balanced input, and subwoofer output. Probably due to the high input gain on the ZA3 that @amirm mentioned. User Manual × 1. Fosi ZA3 Amplifier with SS3602 Discrete Op Amp Upgrade. Visit us on social media by clicking below Home; V3 is compatible with a variety of 8-pin dual op-amps like Sparkos SS3602, MUSES02, OPA2604, OPA2134PA, OP249, AD827, RM4559, LM4562, LME49720HA, etc. com/watch?v=yWObZfLTrfs&t=481sFosi Audio ZA3 is a balanced stereo/mono amplifier, a cutting-edge addition to its high-qualit Fosi Audio ZA3 Balanced Stereo Amplifier Home Audio Component Mini 2 Channel Experiment with compatible DIP8 dual op-amps such as Sparkos SS3602, MUSES02, OPA2604 Apr 1, 2024 · Fosi v3 mono, first product video trailer: Brilliant. Mar 25, 2017 · It made an otherwise ordinary dacamp to a fantastic dacamp. Burr Brown OPA2134. This can also be done on many other Fosi and Aiyima amplifiers. We are including features we find useful for daily usage and can help you get an overall Dec 7, 2023 · Discrete OpAmp Review: Sonic Imagery vs Sparkos. V3 is compatible with a variety of 8-pin dual op-amps like Sparkos SS3602, MUSES02, OPA2604, OPA2134PA, OP249, AD827, RM4559, LM4562, LME49720HA, etc. 60 USD MUSES02 - $52. Jan 18, 2024 · A pair of Za3's with SS3602 provide higher detail, better soundstage, bass control, instruments separation. Jan 26, 2024 · For this test I moved to a desktop context, i. Fosi likely buys their op amps in bulk. The enhanced tightness in the bass brought forth a newfound level of detail and definition, without compromising depth or reach. Personally, I plan to stick to trying matching pairs there. This refinement extended into the midrange, creating a more spacious and cleaner backdrop Mar 25, 2017 · General Information. Guddu; Nov 15, 2023; Amplifiers, Phono preamp, and Analog Audio Review; 7 8 9. Dec 20, 2023 · One Muses02 sells for £24. Musical Paradise MP-301 MK3: https://youtu. I also have the Fosi Audio Za3 which runs quite cool in comparison. #59. And advise which V3 op amps to roll, as Aug 19, 2023 · The V3 is THAT good. V3 ×1. Add to Cart. Apr 1, 2024 · Fosi told me they don’t need to match, and you can change just one if you wanted, and to feel free to experiment. They perform much better at low volumes. Whether you prefer the nuanced clarity of a Sparkos SS3602 or the warmth of an OPA2134PA, the power to refine your sound is in your hands. It comes with a 24-month warranty, ensuring reliable performance and customer satisfaction. Sep 22, 2023. --. Apr 27, 2023 · In both cases the amplifiers were FOSI ZA3, which may enhance the treble too much if those speakers have an impedance >> 4 Ohms at 10 kHz. What makes SparkOS special? Stability. on my desk where I plan to keep my FOSI ZA3 connected to the PC through a Cambridge Magic 100 DAC, and in this case the speakers were downsized to the smaller Indiana Line Note 250 X. Jun 6, 2020 · Kupi odmah za: 150 - 10 = 140 Evra sa napajanjem 32V, 170 Evra sa napajanjem 48V + Narandzasto Dugme 10 Evra + OP Cipovi: Sparkos Labs SS3602 195 Evra, MUSES02 75 Evra - za V3, BT20A Pro i ZA3 NA STANJU: Slike: 4. Replies 177 fosi audio za3 disassemblyMusic by Bensound. We know that the Fosi and other cheap class D do not have the PFFB implemented for now, so the impedance graph of the speakers must be taken into account > 10 kHz in case it triggers at >> 4 Ohms. 04. 1. Super Happy with the result ! The Tube Amps VS the Class D ZA3 do sound different as the ZA3 is more up front, punchy and direct. P. The range of the volume knob is more gradual with lower level sources (computer built-in sound output, Apple USB-C dongle, older LG phone with quad DAC). The red plug represents the right channel, while the white plug Sep 5, 2023 · Powerwise up to 18 W/4 Ω and 35 W/8 Ω it's THD+N is ok. 99 USD OPA2134PA - $26. •Amp Chip: Texas Instrument TPA3255. 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. I listen to it every day and don't want for more or better. My intention was to use the FOSI V3 as a post-stage amplifier, adding a pre-stage amplifier to the front would give some artistic embellishment, and a straightforward Class D amplifier would add some artistic embellishment, similar to adding a first-stage buffer stage to it. 2 Dipole AMT Tweeter. be/cL2t-zGXNvUWelcome to our review of the Fosi Audio ZA3 amp Jul 30, 2023 · The V3 is compatible with a variety of 8-pin dual op-amps like Sparkos SS3602, MUSES02, OPA2604, OPA2134PA, OP249, AD827, RM4559, LM4562, LME49720HA, allowing you to experiment and find the op-amp that best suits your audio needs. 0 system now goes from a USB (via computer)/coax source--->DAC--->ZA3--->JBL L100t3/L80t3/L20t3 speakers. Jan 30, 2024 · Repost from: https://www. 3. Dec 20, 2023 · Overall, it sounds pretty good, but a/b-ing with the RA150, the Fosi ZA3 sounds “wetter,” while the Alesis definitely has a drier, crisper sound. Fosi Audio ZA3: https://bit. Sparkos Labs, Inc. This Fosi V3 is the best of the bunch, a simple, genuinely powerful/useful, truthful, nice-looking and nice-sounding amp that can be tucked pretty much anywhere. Change the op-amps to Sparkos. Apr 21, 2019 · Cons: too large to fit into some portable models and get case re-installed, Slightly bright (may bother the treble sensitive), More costly than some alternatives. Feeding the source direct to it sounds a bit dry and with diminished dynamics to my ears but a tube preamp really makes it blossom. For me it is another "just ok. Haven't tried op amp rolling, just commenting to say that I think you'll find the V3 with the 48v psu much better than the T9 pro. 2. #353. I just purchased the Fosi BT20A Pro (48V version) to replace a traditional AB amplifier which had been driving two pairs of remote speakers - the built-in units in our kitchen and another pair out on our deck (two pairs, total, both rated at 8 ohms nominal). Using a minimalist design language, focusing more on enhancing the sound quality and performance of the product, making it the best-sounding power amplifier of Fosi Audio to date. Nov 18, 2023. It's dynamic, fast and tight, but also has the most wonderful Dec 20, 2023 · I had ordered a couple pairs of op amps from Fosi Audio to try out in the ZA3: Nisshinbo MUSES02. I ran and reran the test multiple times, same results on both amps. 1,853 likes · 95 talking about this. The 2590 has a great bass response, it’s clear and punchy (vs. Feb 18, 2023 · The Fosi Audio ZA3 is an impressive amplifier, offering high-quality sound, versatile features, and efficient operation. Yeah i could agree with this review – but there’s 1 thing that elevates Fosi V3 close to sonic Nirvana. "Fosi is a great little amp that can put many multiple thousand $$$ to real shame. These devices are drop in replacements for many common, yet inferior audio op amps and are uniquely compensated for trouble-free swap out into virtually any circuit. amplifier" with fancy look and nice display that cannot compete with Hypex, Purify, Topping amps. Prepare your audio source device, the ZA3 amplifier, a 24V-48V power adapter, passive speakers, speaker cables (with banana plugs or bare wires), and RCA or XLR audio cables; 2. This is a royalty-free sound demo of the Fosi Audio ZA3 in stereo operation with, a Sep 29, 2023 · Verdict. 32dB in stereo setting and 31. Worry-Free. #1. ly/fashop-Op-AmpsSparkos 3602 comes with a free DIP Socket, 👍we have b The SS2590 discrete op amp is designed to be the ultimate op amp for use in studio and pro audio applications. youtube. ly/41Dg7IoSparkos Labs SS360 Dec 20, 2023 · The ZA3 represents tremendous value for money and has some outstanding features like support for subwoofer, trigger input for the price, coupled with a really nice design and excellent measurements this is a top pragmatic choice. ROM is open source so everyone can any time check everything that is hidden behind the zip file. Jun 20, 2023 · Fosi Audio V3 without the Sparkos Op Amps: The V3 has been described here as ”polite” and flat compared to the Aiyima A07. 5. com. Feb 10, 2024 · That's the general impression on Fosi's FB page. Simgot MTW5. 99 USD. Descriptions: > Dual-Mode Innovation: This new generation mini amplifier offers both stereo and mono modes, adapts flexibly to your diverse needs, allowing seamless mode switching. Acuostic instruments timbre and attack and decay are a treat. But who knows if Eversolo AMP-F2 is May 5, 2023 · The system comprised of a desktop PC feeding a Topping D10s/Sparkos SS3602 mod, via USB, the output of which is input to the Fosi. Video about it is out as well. Product highlights. That if you don't like the stock Fosi, you can make it sound "better" with different op-amps. In stereo mode, it delivers a robust output of up to 180W, while in mono mode, the power soars to a maximum of 235W. SparkoS Labs - How to modify the new FOSI ZA3 amplifier Jun 20, 2023 · 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. Probly cos Sparkos are Class A. Quantity. The Burson V7s will fit, and that’s what I plan to run there. Fosi Audio BT20A PRO 2,1, NEW 10. Experiment with compatible DIP8 dual op-amps such as Sparkos SS3602, MUSES02, OPA2134PA, OP249, AD827, RM4558, LM4562, LME49720HA, etc. Op-amp swapping carries over from the V3 to the Fosi Audio ZA3. Even the coveted OPA627 monolithic op amp, with a price tag of over 25 dollars, has 30dB less gain and around twice the noise of these discrete op amps. It produces very good results even without a preamp being involved in the process. I connected the ZA3 amp to my Audio Research LS7 tube line stage, and played back tracks through my Raspberry Pi 4 running Fosi Audio ZA3 Balanced Stereo Amplifier Home Audio Component Mini 2 Channel Experiment with compatible DIP8 dual op-amps such as Sparkos SS3602, MUSES02, OPA2604 Fosi Audio ZA3 Balanced Stereo Amplifier Home Audio Component Mini 2 Channel Experiment with compatible DIP8 dual op-amps such as Sparkos SS3602, MUSES02, OPA2604 Dec 24, 2023 · The Fosi ZA3 with 48v PS I bought for $135 at the beginning of the year has changed how I will purchase audio gear going forward. The ZA3 comes with swappable op-amps, letting you tweak your audio output to perfection. Looking forward to test here. Jan 26, 2024 · The ZA3 is a little different from the previous models we’ve tested over the years, which tended towards simplicity with about the only extra feature we saw being the Bluetooth support on the Jun 20, 2023 · The m2si alone is better. Over 20 minutes of sound demo for you across different genres so that you can enjoy and make up your mind 0:00 - The Sparkos & The Fosi 2:41 - How to replace the Op-amps 10:27 - One more trick - even less Op-amps needed 14:15 - All that you are - Elvin Dec 11, 2023 · Summary. Speakers are a new set of Micca RB42's. The V3 does sound less “dry” and less “thin“ in midrange and more “musical” than the A07. 32V/5A or 48V/5A Power Supply × 1. Share. I read on ASR that the TPA325* are more immune to opamp switching than others. Feb 10, 2024 · Sorry Tony, just sharing my experience arround Fosi ZA3 with Sparkos opamp for those who wish to bridge the gap between technical aspects and audiophile concerns. This device comes in a PRO 6 pin package. Dec 20, 2023 · Always liked Fosi stuff and will most likely buy this one. Both are far from ideal like some high pulse polypropylene caps (Kemet PHE426 comes to mind). Jun 20, 2023 · Guddu said: Fosi have surely learned something out of ZA3, the upcoming ‘Fosi v3 mono’ has ON/OFF toggle switch. 2023, 2x300W, AUX, PreAut, Blutut, kontrola bas i visoki. My experience has been that the Fosi (both V3 and Za3) sound better with a preamp feeding the Fosi with the Fosi's volume full up (i. We also have socket pins for this device as well as adapters for both single and dual DIP8 applications. ”. Like x 4. boomy). Qualio IQ speakers (YT video) use the Mundorf AMT17D2. You will get oh so much details in highs, but silky and smooth at the same time. Its ability to run cool, coupled with its mono block support and balanced input options, positions it as a competitive option in the audiophile market. I did not mention it (speaking from memory) but it seems to me that the Sparkos have not changed the sound much. There was a very analogy sound from the amp. Also, to me the ZA3 with Sparkos' appear to draw a soundstage with more depth than with the stock opamps. Apr 27, 2024 · The Fosi Audio ZA3 is no different and it offers the ability to swap out the five op-amps with compatible DIP8 dual op-amps like the Sparkos SS3602, MUSES02 and OPA2134PA which are available for purchase on the website as well. This is when I will probably upgrade. The SS3601 / SS3602 discrete op amps will outperform virtually all audio grade monolithic IC op amps in open loop gain, noise performance, output current, and magnitude of class A bias current. 4 out of 5 stars 125 I built my own switch box to change between my Tube Amplifiers and the ZA3's. Aug 16, 2023 · In this sense, the V3, Fosi offers the possibility of replacing the NE5532 operational amplifiers as standard. FOSI AUDIO ZA3 Balanced Stereo Power Amplifier. I wouldn’t usually say the 2590 is the best in my lot, so quickly, but it’s What's in the box？. This is easily my favorite recommendation over bursons (v5i or v6). This is made available through its recently acquired distributor and reseller status for SparkoS products. Feb 10, 2024 · This is a review and detailed measurements of the Fosi Audio ZA3 stereo amplifier with balanced XLR inputs. My 2. From an audio point of view, the two products are exactly equivalent, with a minimal greater instrumental quality in favor of the V3. e. In terms of drivability, the sparkos offered the same output levels as the LM6172. Second Try with the m2si > Fosi V3, original op amps replaced by a pair of Sparkos SS3602 (175€ for the pair) alimented by the 48V 5A Fosi PSU >> All is more dynamic, instruments sound natural, sound is cleaner than m2si alone but lacks a bit of bass compared to m2si alone. In a couple of years there will be quite a few small class D amps with pre-amp ability, wifi streaming, hdmi eARC, etc. to fine-tune your sound to perfection. Question to @Fosi Audio , will you share specs/tolerances for suitable replacement op amps? Assuming there are alternatives that offer pure sonic differences. The birth of the ZA3 amplifier is just such a story I ordered a Fosi ZA3 from Amazon this past Wednesday and it arrived yesterday morning. Insert the RCA or XLR audio cables into the corresponding left and right channels on the ZA3. Apr 1, 2024 · Fosi ZA3 + Sparkos Op-amp - The real deal - Don't miss out !!! Interested in Sparkos Opamps - visit www. Sep 28, 2023 · Fosi in their V3 amp uses two 2200uF / 63V and that is minimum voltage from safety and reliability point. T9 pro to my ears was a bit muddier in the low end than my Aiyima a07 and even more so the V3. Both the Fosi V3 and the Aiyima 07Max (and Dec 20, 2023 · Jan 26, 2024. ) 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 ZA3 Sound Demos with and without SparkoS Op Amps vs. ROM is always up to date with AOSP by including the latest security patches the moment they come out. Experiment with compatible DIP8 dual op-amps such as Sparkos SS3602, MUSES02, OPA2604, OPA2134PA, OP249, AD827, RM4558, LM4562, LME49720HA, etc. Dec 18, 2023 · The Fosi Audio ZA3 is an impressive amplifier, offering high-quality sound, versatile features, and efficient operation. Like @ejman, I'm feeding it with an absurdly price-mismatched preamp, which employs a tube in its circuit plus a LOT of gain, and which might impart a little bit of euphonic distortion to the mix with the Fosi. 87 on Profusion's website who is listed as an on-line distributor on the manufacturer's website. For those who want to do just that, it is difficult selecting which op amps to “roll with”. Dec 20, 2023 · IMO, moving from the ZA3 to V3 Monos won't provide a large enough boost in SQ to make it worthwhile. However, what it added was magical. 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). It looks like the price per Muses02 op amp on Profusion's website drops to Feb 10, 2024 · Mar 7, 2024. Removing four 2mm hex screws (two on the back panel, two underneath), prying off the volume knob with a plastic cooking spatula, and loosening the 10mm nut gives you access to the internals, which construction shows are miles and miles better than a Dayton Audio DTA-100a I have from over a decade ago. sparkoslabs. Oct 10, 2023 · Hello, I am considering buying two Fosi Za3s for the end of the year to do dual mono mode. Fosi has the best price I have seem on Muses02s at $52 a pair. Dual-mode functionality for flexible stereo and mono operation Jun 20, 2023 · 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. •Output: Speaker Out, Sub Out. The TPA3255 which is a heart of this amplifier is my favorite D-class Amp chip. SparkoS Labs, Inc specializes in high end audio systems and discrete op amps and voltage regulator up Aug 19, 2023 · I've owned several other Class D chip amps in the past, including the Aiyima A07, SMSL AO200 and at least a couple different TPA3116 Topping and SMSL models. Jun 19, 2023 · Listen to the V3 with different dual op-amps socketed and experience the changes in sound! The demonstrated op-amps include NE5532, JRC4580D, Sparkos SS3602, Dec 20, 2023 · The ZA3 represents tremendous value for money and has some outstanding features like support for subwoofer, trigger input for the price, coupled with a really nice design and excellent measurements this is a top pragmatic choice. - Wima block capacitors in the output filter are 63V with 10% tolerance ("K" grade). This is one killer small system! The Fosi is dead silent, and has excellent sound qualities! Sep 22, 2023 · Lunatic Member. The ZA3 Amplifier offers an exciting feature called op-amp rolling, allowing you to customize your audio. Mar 16, 2024 · The ZA3 stocks five swappable op-amps for left and right channel outputs, balanced input, and subwoofer output. I know they're different but I seem to recall reading the Aiyima's use of incorrectly spec'ed capacitors, so wonder if that's the case. My primary goal was to reduce the space required for Mar 11, 2024 · MODDING AND HOT-RODDING. In comes the sparkos. Profusion's price for a pair converts to $62USD which isn't far off from Fosi's price of $52USD for a pair. Recently I reviewed the Nord Three SE 1ET400A Dual Mono Stereo Amplifier. So jumpy-up 8 pin Op Amps for "rolling". The High Quality Operational Amplifier Chip SparkoS Labs SS3602 , MUSES02 and OPA2134PA can replace the ZA3 , BT20A PRO, and V3's operational amplifiers and can create different sound quality, providing you with a versatile Hi-Fi Dec 29, 2023 · How to modify the new FOSI ZA3 amplifier with our discrete op amps. You can try out various compatible op-amps like Sparkos SS3602, MUSES02, OPA2134PA, and more to fine-tune Nov 15, 2023 · Fosi ZA3 TPA3255 Mono/Stereo Switchable Amplifier, and vs Aiyima A07 Max The pop noise is only went is power on but sparkos ss3602, Muses02, opa1656 sounds better Sep 28, 2023 · My Aiyima A07 Max runs very hot. Il intègre deux puces d'amplification TI TPA3255 montés en DIP8 lui permettant de délivrer une puissance allant jusqu'à 2x150W ou 1x240W @ 4Ω. In conclusion, the Sparkos SS3602 dual discrete op-amps proved to be a transformative upgrade to the audio experience. All RIghts Reserved. No XLR balanced inputs (but it still would be analog = poor in this case). If you hadn't already ordered the Fosi, I'd suggest you take the total amount you want to spend - say, the Fosi + op-amp upgrade - and then spend that amount on a different amp you don't have to "upgrade. uf ao ea xn kh vc cp id hz zm