Aiyima a07 review tpa3255 reddit

5 bits by a bad power supply sold with AIYIMA A07 TPA3255 amp. 3) The A07 (based on TI3255 chip) is about 90% power efficient, so our max-power-as-a-function-of-a-supply estimates need to be adjusted by a 0. Sep 28, 2023 · 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 Jan 1, 2021 · Synergy4 said: The Aiyima D05 has more functions and features, but maybe not as low distortion for some applications. . Results with 36V / 6A PSU: Carrier frequency of TPA3255 = 450 kHz Load 4 Ohm = 21. 9 factor. 5V from the datasheet. Sep 4, 2021 · Dec 15, 2023. However I ordered it without the powersupply, because I want to use a higher quality power supply than the bundled unit. 99 $ 79 . 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. Mar 6, 2021 · Finding a low cost, small and high performance amplifier has been an impossible mission until recently. It sounds absolutely fine and I was able to get something that matches the LS 50's in tonality and directivity for l. Audio Jan 1, 2021 · In AIYIMA A07, SP output is stopped by turning on the MUTE operation of TPA3255 for a certain period of time to prevent pop noise when the power is turned on / off. While it may be flat with simple resistive loads (like the ones Amir uses), a reactive load like a speaker can lead to a different response. The v385 had very sharp highs on my q350’s, and the Aiyima brought it down to a perfect level, plus the a08 pro has tone controls, if it cut off too much. Review/Discussion. I listened to the A07 for awhile without the T8… first with just a remote bluetooth receiver, and then straight from my MacBook. I keep A07 volume pot at 12'o clock and adjust the stepped attenuator Jan 7, 2021 · AIYIMA A07, step response into 6. This is a teardown of the AIYIMA A07 TPA3255 Class D Amplifier I just reviewed. This supply is the best compromise for power, temperature and longivity with Aiyima's configuration of the TPA3255 chip. . This is a review and detailed measurements of the AIYIMA A07 Pro stereo amplifier. #39. Connecting via BT will override the RCA input, to switch back to RCA either go on the connected device and disconnect/disable BT, or press the volume button in for about 5 seconds. 5A SMPS is at the lower edge of what it takes to unleash that potential. The TPA3255 of the A07 has a strong extruded feeling and a slightly rough masculine sound, while the A8 has a delicate, high resolution and smooth sound quality, and I feel it is a slightly feminine sound. 25 ohm at 10kHz and 3 ohm at 20 kHz. I gave it high marks for very low distortion at extremely low budget price. I run the speaker lines through a Polk Audio active subwoofer. Jan 1, 2021 · The Aiyima has more power and less distortion. base, and see how it sell. Aiyima was gracious enough to send me a unit for review and evaluation. This store also offers a choice of two different op-amps. I like both sounds very much. Some internal parts are different (like capacitors). Sep 28, 2023 · I don't understand why Aiyima did not include a volume bypass switch to turn these little A07 max into composable small power amps I am looking for a small mono power amp for my center speaker for my 3. High-quality products made in Japan are used for the speaker output filter inductors. (There are 2 sets of 2 black square parts) The TPA3255 amplifier chip is cooled using a management method of coating that uses the entire cooling houses. Question was raised on the revision of the board and thermal characteristics of the unit so here we are. The Aiyima T9 Pro is better. I am going to recommend the AIYIMA A07 based on its performance. Jan 1, 2021 · The OP275 has a available slew rate of 22 V/μs and a bandwidth up to 9 MHz. Either direction you go, your speakers will welcome the pairing. Seattle Area. 7V, 70W, mono mode Nov 15, 2023 · - In my setup, time after time and track after track I kept of noticing slightly more punchier sound than my current regular amplifiers - Topping PA7 & Aiyima A07 Max. If all works well, I will have a pair of mono-blocks capable of approximately 170 watts per channel into 6 Ohms at 1% THD. The quality of the capacitor is very good. It isn’t particularly expensive tho more than a 5532. Theoretically the TPA3255 can be used in the parallel bridge tied load (PBTL) configuration to drive 1 channel with higher current, but not voltage, capacity than the stereo BTL configuration. Source: RPi 3b running Moode Audio --> USB output --> USB Dac ( older DAC based on PCM 2704 LSI) Speakers: Older Paradigm Micros - not sure if v1 or v2. 00. 125 ohm at 1kHz, however high 1. Feb 14, 2022 · I think the sound of A8 is a little different from the sound of A07 of the same AIYIMA. I checked the A08 board, but I can't find an IC chip to do it. The other, a bit more expensive, comes with the LM4562NA op amp. $300 while having a speaker with a low enough profile to fit under my LG C1 easily. One just needs to figure out a decent thermal contact to the TI chip - which is done all the time Not as easy as it sounds with a top-mounted chip. Jan 1, 2021 · The RMS voltage for the audio output power calculation will be VDC *0. It was kindly drop shipped to me by a member and costs about $90. All gave good sound and satisfactory volume levels. If the switch produces noise, I can get rid of it be twisting the lever (rotating it around its own axis). View attachment 186955 I like that you can easily defeat the tone controls now and select one of three inputs, allowing the amp to replace a pre-amplifier as well. 8 ohm load. Alas, that is also where the problem Jan 2, 2021 · 244,813. 1 LS 50 based system a center channel. The NE5532 has a available slew rate of 9 V/μs and a bandwidth up to 10 MHz. Mains are driven by an hyper stereo ncore amp and subs are active. Lets This subreddit is for the budget minded audiophile that wants to grow out of soundbars, boomboxes, mini systems, portable bluetooth, lifestyle speakers, and PC peripheral branded audio solutions. Jan 7, 2021 · AIYIMA A07 fails to pass the test and shuts down after 0. My 08 Pro has way more power. Therefore, the limit of the power supply voltage is 48V, which is lower than that. Mar 7, 2021 · The A07 is also available for the same price from the AliExpress AiyimaTechnology store (270 sold, 2942 available), which ships from China or Russia. 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. 2A Switching Power Supply Adapter for TPA3255 Amplifier (DC48V5. Features：1. However, the operation at high volume is very stable. There are now amplifiers based on a new chip from Te Jan 1, 2021 · The 32v supply that comes with the A07 should be totally silent, even with your ear against the casing. I reported to AIYIMA a long time ago that the R/L of the A07's 3. The power supply voltage can operate at 48V, but the withstand voltage of the decoupling capacitor of the power supply line of A07 is only 50V, and continuous use at 48V is dangerous. Does anyone know a good affordable power supply for AIYIMA A07 amp? Jan 2, 2021 · When you look past the fancy features, you'll find it uses a much older and less capable Class D output chip, the TAS5532A. Jul 8, 2020 · This item: AIYIMA A07 TPA3255 Power Amplifier 300Wx2 HiFi Class D Audio Amp Mini 2 Channel Stereo Amplifier for Passive Speaker Desktop Bookshelf Home Theater System with DC 32V Power Adapter (A07) $79. Speaker Cables 9€ RCA 5€ Coaxial 12€ Total 386€ Budget was 400€ so now I can buy 2xLM4562 Opamps to roll on A07 "just for fun". View attachment 152591. AIYIMA's latest TPA3255 power amplifier has PFFB function and is equipped with 48v5a GAN power supply. Aiyima's recommendation of a 48VDC 7. All the recent Aiyima & Fosi TPS325x amplifiers measurements have shown flat response, at least up to 5-10K, and I am wondering why it felts like everything is slightly elevated Jan 1, 2021 · The TPA3251 can also operate at a slightly higher PWM frame rate frequency (600kHz) than the TPA3255 (450kHz). 8Vrms (19dB)RCA Jan 1, 2021 · The TAS5352 amplifier IC is very old (current TAS5352 DS is 2007) and is NOT recommended for new designs. It works with no problems. However, the AIYIMA A07 uses a power supply capacitor with a withstand voltage of 50V. For $72, does 45 wpc with Sinad around 82db, Nice been wondering when something with a newer chip would very clearly beat the SA-50 as the best buy at this price, and it looks like this does the job. i research Ti document about post filter feed back and found something. Please check before you write an info like this. Nov 26, 2023 · in comparing the fosi za3 to the aiyima a07, he says the aiyima is a bit more open and dynamic, while the fosi has more "richness". #1. 5mm to RCA cable. From the pictures, it appears to be the same product as the Aiyima-branded one sold on AliExpress. Later ones seem to have a green board, older ones have a black one. The maximum DC offset voltage standard for the TPA3255 in a stable state after the power is turned on is 60 mV. Actually it is TAS5352A. Audio A07 PRO TPA3255 Bluetooth Power Amplifier Chipset: TPA3255+NE5532+QCC304X Bluetooth: Version 5. 5W. There are a few builds of the products named A04/A07. Using the same SE output on my IEMs and headphones, I can hear noticeable noise from CPU working and the audio on/off pops. I have Topping D10s DAC, AIYIMA A07 amplifier with AIYIMA's 32V 5A power supply, and a stepped attenuator between them because the cheap volume pot on AIYIMA A07 starts developing channel imbalance below 9'o clock. And as of this shipping, it also included a 32 volt, 5 amp switching power Can you really get 600 watts of power for $70? The Aiyima A07 amplifier uses the new Texas Instruments TPA3255 chip, where it might just be possible. I purchased an Aiyima A07 class D amplifier and wanted to post my impressions. X. Forums. New comments cannot be posted and votes cannot be cast. There were no noticeable power on or power off pops. Jan 1, 2021 · I bought an Aiyima A07 to go with a used KEF HTS 3005 SE to give my 4. Alas, you are saddled with two boxes and cheap and potentially non-safety compliant parts. 0015%(@1W)Signal-to-noise ratio:≥≥116 dBFrequency response: 20Hz-20KHz (±1DB)XLR input sensitivity: 3. 5V, 115W per channel, both channels driven Load 8 Ohm = 21. Might be placebo, because I stumbled upon the measurements by @pma here, before I got the Aiyima. At an 8-ohm impedance, the power output is around 150W per channel. I turned up the lower frequencies w an EQ to accommodate. 002% Signal-to-noise ratio: 90dB Jan 1, 2021 · The TPA3255 amplifier chip is cooled using a management method of coating that uses the entire cooling houses. Distortion: 0. I got the AC110/220V to DC48V 5. This is why we make square and step response tests, as @restorer-john knows, but many others do not. Reactions: amadeogt Aiyima A07 vs Pro. I have been playing it with a Topping D30 DAC and a pair of Elac Debut B6s in my office setup. ) Jan 1, 2021 · Amp: A07: ~2 years old from Amazon US. Noise of the A07 is mostly defined by high resistance values in its resistor network around the input dual opamp, there is no chance for improvement without re-designing. Bruce Morgen said: Just going by the specs -- and its likely decent quality notwithstanding -- this thing will not unlock the A07's potential, not even close. Audiophile grade material two 1000uf filter large ponds of up to 2000uf, which can meet the bursting feeling; use TI recommended red ring inductor, good high frequency characteristics, with the LC filter network composed of Siemens fever capacitor, Nikon gold Audio capacitors, TK Audio Jan 1, 2021 · AIYIMA A07 TPA3255 Review (Amplifier) Thread starter amirm; Start date Jan 1, 2021; Facebook Reddit Pinterest Tumblr WhatsApp Email Share Link. Aiyima D05 Chips set: CM6642, TAS5508, TAS5352A, QCC3008, CS8422, WM8782. Tldr: Jan 1, 2021 · Mar 9, 2021. It was kindly purchased new by a member and drop shipped to me. • audio·phile: a person with love for, affinity towards or obsession Jan 7, 2021 · by liu yeqiang on Jan 07, 2021. Jan 1, 2021 · In the standard stereo implementation, the TPA3255 chip is already bridged (the chip has 4 single-ended channels). Sep 28, 2023 · 1. It still is active and fully supported, also for new designs. It is difficult to say if it is only the amplifier issue or measurement system inadequacy as well (signal ground loop or something similar). 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. Jan 8, 2022 · AIYIMA A07 TPA3255 Review (Amplifier) This is a review and detailed measurements of the AIYIMA A07 desktop amplifier based on TPA3255 class D amplifier chip. Aug 14, 2021 · Aug 14, 2021. Audio Jan 1, 2021 · AIYIMA A07 TPA3255 Review (Amplifier) Thread starter amirm; Start date Jan 1, 2021; Facebook Reddit Pinterest Tumblr WhatsApp Email Share Link. I'm reasonably satisfied with AIYIMA A07. Jan 1, 2021 · Also, more specs and performance measurements of the TPA3255 chip: TPA3255 315-W Stereo, 600-W Mono PurePath™ Ultra-HD Analog-Input datasheet (Rev. Noise is almost same as with LM4562 and there are no problems with distortion. I feed music from HiBy FC4 dongle unbalanced of course. Audio Jan 1, 2021 · This is a huge improvement. Jan 1, 2021 · 94. 1-48khz Supported format: sbc/aac/aptx/aptx-hd Replaceable OP amp chips: SR3609SM, OPA2604, OPA2314, LM4562, JRC5532, OP275GSZ, OPA1612AIDR, etc. Feb 16, 2022 · This is a review and detailed measurements of the AIYIMA A300 stereo amplifier with balanced and Bluetooth inputs. First experience, a little off topic but. Sep 28, 2023 · I immediately connected the 3. Though I use it only occasionally mostly for tests, and it has not operated more than a couple of hours summed, the right channel started to emit high frequency hiss noise time after time, without any special reason, even if nothing is connected to the input. The measurements of SA300 by Archimago are really ugly. 2A). i plane change some thing and add post filter feed back here. A07 and almost another tpa3255 boards using old parament with componet of LC filter and Zobel network, addition A07 operating at 600khz, like tpa3251. These TPA3255 based amps seem to have good bones in them, producing above average performance for peanuts. Better hurry, though - AliExpress shows 80 sold and only 66 pieces available! (Another AliExpress page shows 726 available. Jan 1, 2021 · Just got Aiyima A07 with Dali Spektor 1 for my desktop to replace Bose Companion 20. 00+/- vitus audio integrated amp. For desktop use, these are probably acceptable compromises. Jan 2, 2021. Raindog123 said: The entire case of the A07 is one giant aluminum heat sink. Audio Jan 1, 2021 · So, A07 should handle it fine (eg, you would need 32W to output 102dB which is pretty loud for an average size room). " The A07 is good, no digital glare for a class D & has a pretty flat response, bec of it the bass sounds dry— which is preferred by audiophiles. 0 2x130W 4 Ohm Red - Audiophonics. Hi, I'm very new to amplifiers / passive speakers and wanted to start with a setup under €300. Jan 1, 2021 · Overall, the A07 works and sounds fine. com. Jan 1, 2021 · Jan 2, 2021. Not so anymore. t. This is a review and detailed measurements of the AIYIMA A07 desktop amplifier based on TPA3255 class D amplifier chip. 2 Bluetooth support: 16-24bit 44. If the load is removed, the amplifier stops working. Nope, that honor now belongs to the Schiit GJALLARHORN. Jan 1, 2021 · Aiyima A07 45€ (Used) SMSL SU-1 80€ CD Transport 35€ (Used) Mission LX2 MKII 200€. Jan 1, 2021 · 1. My subjective impression is, that there's something up with the treble. Qobuz | Roon |. With 8 ohm, the overshoot would be even higher. It retails for just $79 on Amazon, including separate power supply. Audio 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. A) (ti. Distortion:0. It is still low 0. ” It’s at $130-135 on AliExpress and Aiyima store. 2s, however it is not according to the standard. Bluetooth device connectivity (included external antenna with 50ft range). Sep 28, 2023 · This is a mini-review of the A07 MAX from my "average Joe" perspective. Sometimes the noise stays, a little quieter, sometimes it is not there. Up to 20kHz it is almost entirely defined by the 2 x 10uH inductance of 2 output coils. Location. Jan 7, 2021 · So this would probably be my final contribution to A07 measurements. I ordered an A07 with the 4562 op amps from Aliexpress. AIYIMA A07 TPA3255 Review (Amplifier) Archived post. Dynamic range can be expanded beyond 16 bits by pairing it with a better power supply. There's really nothing special about it and nothing to complain about. Read honest and unbiased product reviews from our users. Which is the "official" one is hard to tell. 71 [1/sqrt (2)]. Power Output: It offers up to 300W of power per channel at a 4-ohm impedance, which is quite substantial for its size. T. I personally like it in the right circuit and feel it adds clarity and imaging. I used an Amazon Prime product for the 3. Parameter:Chipset: TPA3255+NE5532Replaceable operational amplifier chips: RT3609SM, OPA2604, OPA2134, LM4562, JRC5532, OP275GSZ, OPA1612, MUSES01/02/03, etc. Total cost will be around $175. The A07's TPA3255 is a much better performer. 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. ASR member pma measured the A07's frequency response into reactive loads in this thread. www. 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. 25 inch aluminum plate that costs around $25. Jan 2, 2021 · I have a Aiyima A07 with a somewhat noisy toggle switch. It was sent to me by the company and costs US $177. Sound was more precise, defined, with a larger soundstage. This A07 MAX in mono mode will be perfect and very cheap. Figure 11 in the TI data sheet seems to indicate I'm correct -- it shows "case temperature" in relation to output power, not "DC supply voltage" AKA "PVDD_x. 2M subscribers in the audiophile community. The Aiyima Pro adds bluetooth and tone control. As can be seen the slew rate and bandwidth for any of the two op amps by far exceeds the spec required for 20KHz. This is what powers the A07 that drives my main L+R Nov 24, 2022 · AIYIMA A07 Pro. Also tried with Acoustic Energy AE100 MK2 and Dali Oberon 1 with same results. It has two inputs, one AUX input, which is convenient for traditional wired analog signal input; there is also one Bluetooth wireless input, which can be easily connected to Bluetooth devices such as mobile phones and computers, without being bound by wires, and easily enjoy A07 PRO TPA3255 Bluetooth Power Amplifier. This prevents the accumulation of heat inside the case. Turn off-on sequence needed to make it running again. 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. The overshoot indicates to worsening stability with higher ohmic load. 0V, 55W per channel, both channels driven Load 4 Ohm = 22. 50% on the Aiyima hits 85dB at 9’ away, compared to 90% on the v385 only measuring at 77dB. View attachment 152590. Solidly built with metal enclosure, and quality G12 output cable. I can get the Aiyima A07 Pro for about €90 and the Aiyima A07 for €70. Better bass response and not as sharp high end than the Aiyima. When I added the T8 is was night and day. Frankly, the A07 can hold its own and takes up very little space. There seems to be a very faint lack of higher frequencies (>7 kHz). " TPA3255 data sheet. #502. Thanks, appreciate tha answer, almost pulled the trigger on the A07 because of the digital input! Guess I'm waiting for the Loxjie D30 to be in stock. #81. In order to use A07 more safely, it is desirable to use the power supply voltage at 40V or less. Jan 1, 2021 · Jan 1, 2021. May 20, 2023. I have made a thorough THD and IMD vs. The 4562 is a very very fast opamp. Sep 4, 2021 · Sep 4, 2021. Jan 7, 2021 · Just found a space to test AIYIMA A07 with OPA2134 opamp. and he mentions a uk buddy who prefers the aiyima a07 max amp to a €10,00. Jan 1, 2021 · The A07's frequency response is very dependent on the load you attach to it. U also lose a bit of imaging w the A07, it’s noticeable even on the Q150’s. The D3 features a TPA 3255 amplifier chip and an output power of around 2x130W @ 4Ω. It reaches a power of 2x225W @ 4Ω in stereo or 1x450W @ 4Ω in mono thanks to its TPA3255 chip. As you see the distinguishing factor from some of the other Aiyima amplifiers is inclusion of tone controls. 62 with free shipping to the US from China, or from a German location to Germany for free. This is achieved through the use of 85 mΩ MOSFETs and an optimized gate driver scheme that achieves significantly lower idle losses than typical discrete implementations. Audio Jan 7, 2021 · This is the output impedance of the output LC filter used in AIYIMA A07. Jan 1, 2021 · Maybe some member can later clarify, so far I found a hint #467 in the TPA3255 thread that Amir probably tested the revisited design. Feb 23, 2023. 5mm jack was reversed, but at that time it was completely ignored. 2s. I've read people being negative about the effect of bluetooth and tome controls on the The Fosi Audio BT20A Pro has quite a few noteworthy features. Aug 31, 2023 · Another one to add to Aiyima’s list of: “let’s add another variant around this same TPA3255 amp. Sep 8, 2021 · Sep 8, 2021. However, my understanding is that the version Amir tested and Jan 1, 2021 · I use two AIYIMA A07, but there is no indicator LED for FAULT and CLIP_OTW. Ventilation holes/slots and/or a larger heat sink would be much easier. The cost is US $72 on Amazon including prime shipping. Amp PSU: Whatever it came with - I'll edit when I go check, but I have this buried for cable management. Audio Jan 1, 2021 · The Elac spec are : 6 ohms / 86 dB sensitivity / 120W max power. I am hesitant to use a Mean Well, because I am not sure which wiring I Jan 1, 2021 · Drok 48V, 10A SMPS, running at 45V, to power both and mount the whole thing on a . fr. Most of the rest of the tests, the Aiyima fairs better at too. The photos at both stores show the original, smaller gold heatsink. I tested the A07 with 6 / 88 / 100 speakers, with a 24V/17A power supply, and it was way too much to use for a 270 square feet room, so I would say 32V/5A should be enough with your speakers. One channel driven, 4ohm load. Really impressed with the details and balance, and also got a little surprise. With its D3 class D amplifier, O-Noorus offers a compact, powerful amplifier with the essentials. 2 setup. Hi all, I have ready virtually everything I could find on ASR on the Aiyima A07. Simce @amirm apparently told Aiyima that he was not interested measuring/reviewing the Aiyima 08 after measuring the A07, I wish he could measure and review the Audiophonics TPA-S100. Jan 1, 2021 · In addition to excellent audio performance, TPA3255 achieves both high power efficiency and very low power stage idle losses below 2. Now they seems to have changed again to opa1612 in many places - maybe a suggestion to try ? I have tried ne5532, opa2604, lm4562 and opa1612 and I prefered LM 4562 in both Aiyima a07 and the tpa3251-based Aiyima a04. 2. Jun 24, 2022 · The Audiophonics amp also has a front panel LED display. And as of this shipping, it also included a 32 volt, 5 amp switching power supply. Jan 7, 2021 · Talking about AIYIMA A07, it will end up in a dustbin soon. 99 Aug 14, 2021 · According to Amir, dynamic range of TPA3255 amp is limited to 14. Jan 1, 2021 · AIYIMA A07 TPA3255 Review (Amplifier) Thread starter amirm; Start date Jan 1, 2021; Facebook Reddit Pinterest Tumblr WhatsApp Email Share Link. But, to reliably output such relatively high - 30W+/chan sustained - power in a pair of 6-Ohm speakers (and handle even higher max-power spikes), you might want to make sure that you have a high-current power supply (ideally, 5A Jan 7, 2021 · The different players sounded different. Find helpful customer reviews and review ratings for AIYIMA A07 TPA3255 Power Amplifier 300Wx2 HiFi Class D Audio Amp Mini 2 Channel Stereo Amplifier for Passive Speaker Desktop Bookshelf Home Theater System with DC 32V Power Adapter (A07) at Amazon. he did not say which speakers he was using. One comes with the NE5532 op amp. The measurement was possible with shorter overload of 0. So that may also be a return/repack item. Sep 28, 2023 · Here is a link for Aiyima A07 Max thread and YouTube review. It is the only basic TPA3255 amplifier with a traditional low-profile form-factor and internal power Jan 1, 2021 · Bruce Morgen said: -- the heat generated by the chip corresponds to the power actually dissipated regardless of PSU voltage. Jan 1, 2021 · Aiyima is currently selling two A07 versions. From the TI datasheet you will read. audiophonics. May 20, 2023 · 245,122. And AIYIMA A07 TPA3255 operates at 600kHz carrier frequency. Spec sheet was revised in 2016. I found the amplifier to be a lot like the Fosi V3 - apart from the noted Stereo/Mono feature, which I have not made use of. Of course, it costs double the plastic one used in the review. It doesn't have to be all of those features, but at least a few to be useful at a desk. The TAS5352 amplifier IC is very old (current TAS5352 DS is 2007) and is NOT recommended for new designs. #1,844. Last edited: Feb 25, 2021. I've had my Aiyima A07 for 2 solid years of enjoyable listening and decided to build a custom minimalist case for it and replace the restored Onkyo A8017 in my daily living room rig. Jan 1, 2021 · The TPA3255 can be used at Max 53. A Wiim Mini + a DAC. This is the first time for an Aiyima product. According to Amir, dynamic range of TPA3255 amp is limited to 14. Jan 1, 2021 · The Aiyima A07 was not currently found via my search at Amazon, but the AiyimaAudio store on AliExpress has it for USD $50. com) Aliexpress has a lot of sellers selling the same products. This is an incorrect information. 8V, 130W, mono mode Load 8 Ohm = 23. Using TI's ultra-high-definition digital power amplifier ic (TPA3255), the output power is up to 280w*22. 5mm input of AIYIMA A07 Max to the RCA output of the DAC and checked the R/L channels, and they were normal. It would almost be more interesting as a power amplifier. Jan 1, 2021 · With the A07 volume button turned one half turn, it does not get warm. The switch induces a crackling noise into only one channel when switching the amp on. Rubycon 50v 2200uf 105 ℃ produced in Japan is used as an electrolytic capacitor in the power circuit. Jan 1, 2021 · O-NOORUS D3 Class D Amplifier TPA3255 Bluetooth 5. vf ll dg sg zz zl zr ea pu hm