Sparkos op amp for aiyima a07
Sparkos op amp for aiyima a07. Both can be identified by Amir’s reviews. de and as stated on their website, it arrived without a power supply. We must not forget that it remains a living room amplifier, not suitable in my opinion for the sound system. It's the culmination of a lifetime passion for audio, and electronic design and engineering. 2 pole compensation. I'm not sure if it is better or worse. Nov 26, 2021 · A power chart is available in the Aiyima A07 user manual for better comprehension. SparkoS Labs has created a range of discrete DIP8-mounted PDOs optimized to deliver excellent audio performance. Nov 8, 2023 · During the past week, I have switched back and forth between the older Aiyima A04 and A07 amps, the Fosi V3, and the new A07 MAX amp, and varied between use of the Fosi 32v 5a power supply and the Aiyima 36v 6a power supply. 2 is provided by a Qualcomm QCC304X and the supported codecs are SBC, AAC, aptX, aptX LL and aptX HD. There are great class AB (eg Benchmark AHB2) and great class D (eg NC or Hypex etc based amps reviewed here) and of course badly engineered ones of each class. DC seat interface 5. Sep 28, 2023 · Every owner of the former A07 says the same thing, big improvement in sound quality with a fuller and warmer sound, more punch too. 얼마전 이 회사 제품의 다른 모델도 검토 한적이 있었는데. The Aiyima A07 is a small, simple, powerful, efficient and affordable Class D amplifier, ideal for setting up an audio system that requires a lot of power input. Send samples in for free for measurements and 2. Many people say that replacing the NE5532 op amp by the LM4562NA makes the sound better, so I am inclined to go for the LM4562NA version. These are both mini class D amps that cost about $75 and produce plenty of power to drive any speaker in a nearfield setup. 오늘은 오랜만에 중국산 오디오 앰프를 하나 소개해드리겠습니다. SMSL C100 (Have a remote control) as Streamer DAC combo in to Aiyima a07 Max sounds better in my setup than a Wiim Pro Plus working as both DAC and streamer in to the Aiyima a07 Max, first combo is also a little bit cheaper than one Wiim Pro Plus. boomy). Nonetheless, I already like it and I think its a better sound than when the 1656s are in the soundstage preamp. The Aiyima A07 upgraded with the SS3602 Discrete Op Amp. Been running the Fosi TDA7498e for awhile and decided to pick up the A07 after seeing the audio science review had it beating the emotiva a-100 in testing. You are allowed to give power supply within 24-48V. Version: Single (Pair) Nov 24, 2022 · On the other hand, the Aiyima A07 is one of the best-selling amplifiers worldwide in the last 3 1/2 years and relatively few defective devices are known. 5*2. They dont seem to cherry pick their samples. May 30, 2023 · For comparison I used an Aiyima A07 amp modified with Sparkos op amp chips that replace the TI5532 chips. SparkOS Discrete Op-amps SS3601 and SS3602 with comparisons to Ne5532/5534, Muses02, Burson v6 Classic, and Burson v6 Vivid op amps. 1% High and low sound adjustment range: ±6db Speaker impedance: 4~8Ω Output power: 100W*2 4Ω,50Wx2 8Ω Nov 26, 2023 · The amp will go into themal shutdown before you can get the best out of it. 5mm. denbret said: If possible activate the high pass filter on the microphone input (subsonic filter). Nov 5, 2023 · The Aiyima A07 was the first “cheap” class D amplifier recognised by the audio community as “audiophile” quality yet at a nice price for those starting off in the hobby of home audio. This review pertains to the Aiyima A07 amplifier modified with two Sparkos SS3602 opamps. com/cheapaudioman Use CHEAPAUDIOMAN for 10% off Sparkos Labs Op Amps https://sparkoslabs. Purchased at Amazon. Dimensions. Add to cart. Whatever the case, I'm def buying a few more of the 1656s, at least for my Aiyima amps. More details. This is a review and detailed measurements of the AIYIMA A07 Pro stereo amplifier. May 20, 2023 · Seattle Area. I am hesitant to use a Mean Well, because I am not sure which wiring I Sep 6, 2023 · So I was wondering if replacing the op-amps could somehow improve soundstage (in case it needs to be improved) or other aspects or if this op-amp rolling thing is just snake oil marketing No way I'm going to spend €80 or €170 for a pair of MUSES02 or Sparkos op-amps I was thinking more about something like OPA2134, OPA2604 or AD712 Mar 6, 2021 · Finding a low cost, small and high performance amplifier has been an impossible mission until recently. comAiyima A07 https://amzn. That unit came with the Sonic Imagery's 990ENH discrete operational amplifier ("opamp") in the buffer stage (pre-amplifier). 75 watts at 4 ohm should be plenty if you are in a small-ish room/desk situation. Some op-amps if not correct for the amp circuit can cause oscillation and bad things can happen. Bluetooth 5. 1khz/24bit19 Optimized for high performance audio use. 03% when working continuously. 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. The DC seat uses all metal materials with fireproof flowers, which is safer to power on. At its price (roughly $230 as modified), this Sep 28, 2023 · A Wiim Mini + a DAC. Jan 7, 2021 · So this would probably be my final contribution to A07 measurements. I have not auditioned the amplifier without this modification. The owner then ordered a set of Sparkos Pro SS2590 discrete opamps. I ordered an A07 with the 4562 op amps from Aliexpress. in terms of equipment, the A07 amplifier uses TPA3255D2 chip and NE5532 op-amp chip. I am testing the A07 with 2 different power supplies. amplitude measurements of my AIYIMA A07 TPA3255 amplifier, with LM4562 opamps (reduces noise and distortion slightly compared to original NE5532), powered from Mean Well RS-100-24 SMPS set to 27Vdc voltage. The 2590 has a great bass response, it’s clear and punchy (vs. Product Descriptions:T9 PRO TPA3250 power amplifier 100Wx2Chipset: TPA3250+Jan5725+QCC3031+ES9018K2M+SA9123L+OPA1656+NJW1194PC-USB sampling rate: 24bit/192khz, 16bit/192khz, 24bit/96khzPC-USB operating system: Windows XP / VIsta7/8/10 / Max OS/MAC/LinuxBluetooth/optical fiber/coaxial sampling rate: 24bit44. SKU: SS2590 Category: Op Amps Tags: API op amp, pro op amp discrete op amp. There are now amplifiers based on a new chip from Te Apr 14, 2022 · https://squarespace. The A07 with the TI chips is OK. The other, a bit more expensive, comes with the LM4562NA op amp. Jul 8, 2020 · This AIYIMA A07 small Hifi stereo amplifier adopts Texas Instruments TPA3255 high-performance low-distortion high-power Class D amp chip and NE5532 Dual op-amp chip,With lowest noise, distortion, clipping,Very Quiet,Runs Extremely Cool,Easy to set up. Oct 23, 2023 · October 23, 2023 - 4:40 am. Simgot EM2. 0 channels/Stereo. The input sensitivity of AIYIMA A07 Max is 1V. 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 Jan 7, 2021 · Master List of Audio Reviews. If you apply 48V 10A into 4 ohms, you will be able to retrieve a power of 300W but, with a distortion of 10%. SNR:110db. Model : AIYIMA A07 MAX Product name:A07 MAX TPA3255 Power Amplifier Stereo Max Output Power(switch stereo mode):300Wx2 / 4Ω(48V/12A) Mono Max Output Power(switch mono mode):600W/ 2Ω(48V/12A) (R+ connect to speaker +, L+ connect to speaker -) Working Voltage:DC24-48V,5A or more Replaceable Op-Amp Chips:OPA2604 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. #49. Also, unlike the A07, which is also an absolutely wonderful amp that has 2 interchangeable Op-Amps (I switched out those for the Sparkos Labs models also), the A08 has a built-in power supply and you just use a standard 3 prong cord. Aiyima did a great job of integrating the TI chips into the A04. Therefore, it is the same stereo 2ch as RCA input and can be used for both input and output. It reaches a power of 2x225W @ 4Ω in stereo or 1x450W @ 4Ω in mono thanks to its TPA3255 chip. Also, some of the parts used have been changed, but I think the circuit itself is not much different from the old model. Sep 16, 2023 · About this item . Aug 19, 2023 · The Aiyima A07 sounds more forward in the mids and a little less refined in the treble. This is known information. Signal to noise ratio: ≥98db Input sensitivity: 0. Though the diff when using it further down the chain in the amp is lesser than in a preamp. Feb 3, 2024 · Aiyima A07/ A07 Max OP Amps The Same? SQlife; Nov 24, 2023; Stereo and Multichannel Amplifier Reviews; Replies 18 Views 4K. It's a simple but powerful mini amp for your stereo home speaker amplifier system Oct 2, 2023 · Aiyima 36V 6A - Model: FJ-SW21283606000D- cheap construction, lower quality, lack of filter on the DC cable, Aiyima forcibly replaces the delivery to customers without prior approval or presentation through the offer, at the same price instead of the very good and already established model MXD-3606000 , I have a question marks, possibly their Oct 2, 2021 · In the case of my two Aiyima a04 and switching between ne5532 amp to lm4562 amplifier, the difference soundwise is clearly bigger than moving your head 30 cm in the listening room. Keep in mind, that 14mA biasing current isn't possible in monolithic op amps either due to their power dissipation limitations. #1. Nov 24, 2022 · In addition, all 4 op amps are socket type, aiming to attract DIY fans. Probably close to the RCA of the Aiyima A07 Pro. On BTL, 51V it is over 200Wpc at 1% distortion. May 20, 2023. Jan 1, 2021. He believes that they could heat up quite rapidly and fail. Its more fun to listen to the music. 99 with a 32 V PSU. The V3 sounds more refined. 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. Nov 26, 2023 · Given the ridiculous low price of the AIYIMA A07 Max when on sale (like now), I grabbed a couple for $50 each delivered! I also picked up a pair of these power supplies on the AE sale to run them - High-power digital audio amplifier board DC48V 7. Jul 19, 2023 · Recently I reviewed the Nord Three SE 1ET400A Dual Mono Stereo Amplifier. The input are in stereo RCA or on Jack 3. I think 50V gives ~300W, and the 20-something V power supply gives 100-something watts. Dec 31, 2023. This gave me a chance to Buy AIYIMA A07 TPA3255 Power Amplifier 300Wx2 HiFi Class D Stereo Digital Audio Amp 2. This device comes in a PRO 6 pin package. The unit , according to the advertised output, is on SE. I'm looking to try rolling opamp on Aiyima A07. Nov 15, 2023 · Fosi ZA3: Aiyima A07 Max: Summary: Stereo Amplifier with balanced and unbalanced inputs + Nicer looking case + Power ON/OFF is Volume knob push and hold sequence, volume re-adjustment isn't an issue after ON/OFF as it can remain same Oct 8, 2023 · The advantages of the V3 compared to the MAX: 1. engie490 said: I noticed in Purifi's specs that the input impedance is 2. AIYIMA A07 MAX Power Amplifier can use as a 2 Channel Audio Component amplifier for Passive Bookshelf Tower Speakers Desktop Home Theater max output power up to 600Watts(300W *2 under@4 ohm), can drive 2-8Ω speakers, providing spacious and clean sound quality. Sound Nov 15, 2023 · the akliam lc2 sounds very nice in my a07 max; it's quiet, no weird popping noises, etc. AIYIMA A07 MAX - US Warehouse Ship $129. T9 pro is a good unit but has (in my opinion, way) less control over the bass and a slimmer soundstage. Jun 20, 2023 · The V3 has substantially lower gain. Texas Instruments TPA3255, digital audio amplifier BTL bridge power output 300W * 2 channel design, THD less than 0. NPO capacitors. I swapped for 4562s in my Aiyima A04 and A07 amps just to be sure the parts were genuine (Fosi has shown good documentation for the V3 that they are using real 5532s). 5mm jacks on the A07, A07Max, and Fosi V3 simply have their RCA inputs connected in parallel via resistor pads. Welcome. Aiyima A07 MAX. 5mm jack was reversed, but at that time it was completely ignored. The cost is US $72 on Amazon including prime shipping. 5MM. One disappointment with the A07 Pro is that the volume pot used to control the volume has the wrong characteristics. 775V Frequency response: 20-20Khz (±1db) (MM input conforms to RIAA characteristics) Distortion: 0. 설계 결함인지 뭔지는 잘 모르겠으나 PCB 기판을 급하게 수정한 Also, unlike the A07, which is also an absolutely wonderful amp that has 2 interchangeable Op-Amps (I switched out those for the Sparkos Labs models also), the A08 has a built-in power supply and you just use a standard 3 prong cord. Simgot MTW5. I think the A07 drives my, somewhat inefficient, CSS Critons with a bit less effort. to/3KIH7wOTidal Deal Sep 28, 2023 · The 3. The imagining is better on the V3 than the A07. Size:151*100*33MM. Volume control on the V3 is more subtle control over lower volumes. However, my understanding is that the version Amir tested and May 25, 2021 · Why the big difference in my amplifier and NO difference in the summing circuit?I The audio amp, by the way, is a AIYAMA A04 which had a TPA3251 power stage, one NE5532 preamp per channel, and it's running on 32 volts. 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. Seattle Area. ly/3 Nov 24, 2022 · I have changed the op-amps on my Aiyima A07 Pro for some 1612's, the main reason actually was to go about trying to modify some components as practice, and also because I have been told that some components used by these brands are of really poor quality and/or imitation. Sep 12, 2022 · The model line from Aiyima is interesting in that it doesn't really make sense to me, the T9 seems like it should be the same as the T4 but with the digital inputs (hence the higher price), yet it has a lower quality bluetooth codec and the op amps arent upgradable. They will allow you to replace less powerful AOP or quite simply to obtain a different sound. The gain is 6db lower than the A07, which is noticeable, but not a big deal for me as both offer more power than I need. You may want a 40V or 50V power supply for each one, if you are cranking up the volume. Probably sounds great. Aug 26, 2005 · The advantages of the V3 compared to the MAX: 1. 5. DAC Chip = ES9018K2M, same as Topping D10 but don't know the rest Tubes = came with Jan 5725, tubes have GE logo Amplification = TPA3250 Inputs = Optical, Coaxial, USB, Bluetooth (5. Product description:TPA3255 is a high-performance class D power amplifier, it has class D efficiency and can bring true high-end sound quality. As for your audio chain: The Topping in there is strange. The Sparkos op-amps do sound different. One channel driven, 4ohm load. And as of this shipping, it also included a 32 volt, 5 amp Nov 24, 2022 · The LM4562 A07 does work really well if you feed it with a good preamp like the Aiyima T6 Pro which also is flexible when it comes to op amps. Aiyima have confirmed they are the same analog linear potentiometer as the V3 but the sensitivity of the A07 MAX is twice that of V3, so while the A07MAX volume is nicer than previous Aiyima Amps but IMO the volume on the V3 is slightly nicer and it is very subtle with lower Jun 3, 2020 · The clarity and dynamics that these bring are top-notch. 2. Amplifier chip: TPA3255. All gave good sound and satisfactory volume levels. DC24-18V power supply. 8. Although NE5532 performs well, many audiophiles still want to improve the sound quality by replacing the OP chip. But whether or not your T9/A07 sound is similar to my Hel/A07 Pro - That's pure speculation on my part. Its NE5532 op-amps are housed in NE5532 can replace op amp chips: OPA2604, OPA2314, LM4562, JRC5532, etc. There were no noticeable power on or power off pops. The new A04 with the TI chips is as good if not better than the modified A07. The SS2590 is likely the best op-amp in my entire collection, unless you solely want bass output. However I ordered it without the powersupply, because I want to use a higher quality power supply than the bundled unit. Locked; Using Sep 28, 2023 · I immediately connected the 3. The A07 MAX retails for $65. Nov 26, 2023 · Japan. Try it out in your amp and see if you notice a difference. In AIYIMA A07 Pro, it goes through the OP amplifier buffer, so it is output only. I reported to AIYIMA a long time ago that the R/L of the A07's 3. Anyone tried both Staccato opamp and Sparkos SS3602, and what was the best for Aiyima a07? Would it be best to put two Sparkos? or two Staccatos? or have one in input or output?? 7. This means that when the volume level is set to MAX, the rated maximum output is reached with an input of 1V. Jan 1, 2021 · Aiyima is currently selling two A07 versions. It drives a pair of moderately efficient Selah SA-1 speakers; I use it with an SMSL Sanskrit 10th DAC. I normally power the 1. I will team this little power amp up with the Aiyima T10 which is also a nice little unit with plenty of sonic goodies. 1), and RCA AIYIMA A07 TPA3255 vs Fosi Audio TDA7498e. AIYIMA A07 MAX . 99 $102. Nov 30, 2020. They are soldered down to the board as well so they could be difficult to remove and replace. Jan 7, 2021 · AIYIMA A07 TPA3255 Amplifier Measurements LM4562 option I received my A07 yesterday, on January 6, 2021, shipped from Italy. Power Output: It offers up to 300W of power per channel at a 4-ohm impedance, which is quite substantial for its size. 2 amp Power Supply https://amzn. By The Cheap Audio Man on Youtube. This limits the amount of current that IC op amps can use for biasing. 13. The OP amp is powered by a ±12V dual power supply, and the performance of the op amp will be more fully utilized, with better dynamics, and more details at the same time. These devices are intended for use in professional recording studios, Mic Amplifiers, Lunch Boxes, EQ's, and consoles. 4K balanced. It was kindly drop shipped to me by a member and costs about $90. Alas, that is also where the problem is with this unit Apr 23, 2024 · The AIYIMA A07 MAX power amplifier is one example of such progress: it offers (potentially) enormous amounts of power with ruler-flat frequency response at a very affordable price point. Impedance: 4-8 Ohm. Locked; Using May 30, 2023 · For comparison I used an Aiyima A07 amp modified with Sparkos op amp chips that replace the TI5532 chips. Tried the LM 4562NA OP amps vs the original 5532. 【300W+300W Stereo Amplifier mode】Dual function switchable Stereo/Mono 300W/600W amplifier. 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. 3A 350W Power Board Amplifiers Switching Power Adapter. I used an Amazon Prime product for the 3. " Then say: " OP275: Better resolution, low frequency and sound field than NE5532 ". The T9 is using the same DAC chip and op-amp as the Schiit Hel and it's got that tube thing going on. Recommended power supply: DC48V 7. It was kindly purchased new by a member and drop shipped to me. I have made a thorough THD and IMD vs. Sep 28, 2023 · This Class D Aiyima A07 MAX amplifier features a stereo and mono mode for daisy-chaining multiple A07 amplifiers for more power. Hi all, I have ready virtually everything I could find on ASR on the Aiyima A07. Jan 13, 2024 · This Class D Aiyima A07 MAX amplifier features a stereo and mono mode for daisy-chaining multiple A07 amplifiers for more power. I have the 32 and 36 power bricks from Aiyima already but in my experience the 36v is best. That was at 4 ohms, so it goes down by 1/2 into 8 ohms. 7's with a Conrad Johnson SS amp that is about twice as powerful (into 4 ohms) than the V3 but certainly no lack of drive with the Fosi. Evaluation Platform. Just grab an Aiyima A07. Mar 19, 2024. However, with the balanced connection and the Op Amp upgrades, it provided a noticeable (but not necessarily, major) sound improvement over the stock version. As you see the distinguishing factor from some of the other Aiyima amplifiers is inclusion of tone controls. to/3N0x9riTidal Deal https://bit. doug s. I understand your thoughts, but I think you gotta give credit where credit is due. Output power: 300W+300W. 이웃추가. #268. The result is generally better THD and SNR than a chip amp. 5mm to RCA cable. 2K unbalanced and 4. The included NE5532 op-amps are replaceable and can be upgraded with SRT3609SM, OPA2604, OPA2314, LM4562, JRC5532, OP275GSZ, OPA1612AIDR, etc. Upgrading with the Sparkos chips is a major improvement. Jan 1, 2021 · AudioArchitech said: Aiyima: "Currently, the op chip used on AIYIMA A04 & A07 is NE5532. 99. maybe yours was/were defective? what power supply were you using; maybe it doesn't like less than the 48v/5a supply? i haven't tried any other op amps, except the stock op amps that came w/it. Sep 28, 2023 · Most experienced EE folks say to leave the stock 5532s alone. The SS2590 discrete op amp is designed to be the ultimate op amp for use in studio and pro audio applications. It provided clean / neutral sound without the noise / “tinny” sound of previous class D amplifiers in the equivalent price range. 0 / 5. So i do hope Aiyima is so transparent, that they 1. The uppgrade to lm4562 is a no-brainer if youre interested in hifi, and clearly worth 5 dollars . A few of the other op-amps seem to have a higher bass amplitude/volume, so keep that in mind. Sparkos Labs specializes in high end audio components, design, and gear. I tested a few different op amps including the Oracle 02 which are decent but lack low end grunt, great vocals and highs though. 5mm input of AIYIMA A07 Max to the RCA output of the DAC and checked the R/L channels, and they were normal. 바로 Aiyima사의 A07 Max 라는 Class D 300w급 미니 앰프인데요. Many of the devices in this class were designed in the 1970's using Jan 1, 2021 · Location. Nov 26, 2023 · Previous products from Aiyima were pretty good without any fails. Unavailable -17% A07 MAX TPA3255 Power Amplifier Stereo Max Output Power(switch stereo mode):300Wx2 / 4Ω Aiyima 48 Volt 5. Apr 9, 2022 · 2022-04-10 5:35 pm. This is a review and detailed measurements of the AIYIMA A07 desktop amplifier based on TPA3255 class D amplifier chip. I swapped the Sparkos op-amps over and also felt that the v3 sounded a bit warmer and more restrained on the highs. T9 pro to my ears was a bit muddier in the low end than my Aiyima a07 and even more so the V3. The SS2590 Pro Discrete Audio Op Amp represents everything we ever wanted in an op amp, but were unable to achieve in the SS3601/SS3602's smaller package size. Sep 4, 2021 · Pleasantly surprised. I use this amplifier in my bedroom system. Apr 5, 2023 · BTW, I have Aiyima A07 pro running with Elac Debut 6 Floorstands, haven't had any issues with it which made me think for another Aiyima product. 38mm. 75 x 15 x 16. Jun 20, 2023 · The m2si alone is better. Find helpful customer reviews and review ratings for AIYIMA A07 TPA3255 Power Amplifier 300Wx2 HiFi Class D Stereo Digital Audio Amp Mini 2 Channel Amplifier for Passive Speaker Desktop Bookshelf Home Theater System with DC 32V Power Adapter (A07) at Amazon. 5A Power Supply. Oct 10, 2023 · Hello, I am considering buying two Fosi Za3s for the end of the year to do dual mono mode. It embeds a TPA3255 amplifier chip capable of developing a large power of 2x225W under 4Ω, with high efficiency. I suspect too much low frequency power being generated by the mic input. A discrete circuit like the Sparkos is going to have less limitations than a monolithic opamp like the TPA3255 chip used in the Aiyima. you run the A07 you can, later, upgrade to Sparkos Labs Nov 24, 2022 · But you, using the T9 would possibly be warmer sounding anyway. Whether that is a noticeable improvement depends on a lot of factors, including the listener. This amplifier is powered by the TI TPA3255 IC, which is capable of delivering 2x225W @ 4Ω in stereo or 1x450W @ 4Ω in mono. The TPA3255 has four amplification modules that can be run in SE ( up to 4 channel), BTL ( bridged stereo) and PBTL (mono). It would be interesting to know what the input impedances are for the Sparkos and Sonic Imagery opamps. This small Aiyima A07 MAX Class D amplifier works in both stereo and mono mode, allowing you to chain multiple A07 amplifiers for extra power. to/3916N9TVerified Alternative to the Aiyima Power Supply https://amzn. At that time there were enough more expensive amplifiers where, after a few hundred devices and a shorter period of time, more problems and defects were known. Nov 7, 2022 · And put an amp behind each speaker so that the speaker cables are short. As soon as I knew the Sparkos Labs discrete op amps were on the way I had to come up with an evaluation platform. Read honest and unbiased product reviews from our users. One of them is a linear regulated PSU with 30Vdc voltage and current 1. Not exactly universally compatible with all preamps. Nov 24, 2022 · About the upgrades: Andrew at Sparkos advised me that 5 op-amps, particularly his, could quite possibly destroy the voltage regulators in the A07 pro. #3. 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). Number of channels: 2. We also have socket pins for this device as well as adapters for both single and dual DIP8 applications. This Aiyima A07 comes with a better power adapter (36V/5A which provides which provides about 70W per channel into 8Om speakers) and two Sparkos Labs op-amps Oct 7, 2022 · The core of the A07 is the Texas Instruments TPA3255, a high-performance class-D power amplifier that allows the A07 to deliver a clear and powerful audio output. Scrivs. One comes with the NE5532 op amp. Dec 11, 2019 · São Paulo, Brazil. May 1, 2023 · Internally, the A07 Pro uses the same TPA3255 amp chips featured in the original A07. And as of this shipping, it also included a 32 volt, 5 amp switching power Jun 10, 2023 · It's also heaven for op-amps rolling enthusiasts allowing to switch NE5532 to a wide variety of more advanced op-amps, which could change the sound coming out of this amp to your liking. Nov 26, 2023 · It’s the engineering that counts. SS3602 Discrete Op Amp Review. I also have a AIYIMA A07 which is basically the same as the -04, but it uses a TPA3255 power stage instead of the 3251. If you input the DAC's 2V output at this time, it will be completely saturated and distorted. 0 Channel Amplifier for Passive Speaker Home Audio online today! Product description: The TPA3255 is a high-performance Class D power amplifier with Class D efficiency and true to high-end sound quality. 5A max. Jun 3, 2020 · The clarity and dynamics that these bring are top-notch. Disclaimer: I received this unit directly from AIYIMA for the purpose of this review. Sep 8, 2021 · Sep 8, 2021. With conventional RCA connections (and no Op Amp changes), the A300 (overall) feels like a step-down from the much heralded (and far less expensive) Aiyima A07. Aiyima have confirmed they are the same analog linear potentiometer as the V3 but the sensitivity of the A07 MAX is twice that of V3, so while the A07MAX volume is nicer than previous Aiyima Amps but IMO the volume on the V3 is slightly nicer and it is very subtle with lower The SS2590 discrete op amp is designed to be the ultimate op amp for use in studio and pro audio applications. It is a fine sounding amp. The tiny amp powers those very inefficient speakers with authority ,good bass , clear top end, decent soundstage. com. iu zy ww gg sd wb eg fb cy bz