Aiyima a07 lm4562 vs ne5532 forum. I have made a thorough THD and IMD vs.

Aiyima a07 lm4562 vs ne5532 forum. 00003% total harmonic distortion and noise (THD+N).

Aiyima a07 lm4562 vs ne5532 forum. You can hear the difference . DonFrio • 1 yr. 얼마전 이 회사 제품의 다른 모델도 검토 한적이 있었는데. I also found out that the TPA3255 has four operating modes depending on the combination of M1/M2 pins. Jan 22, 2024 · Aiyima M1 4 channel amp In theory just what I need, but here are the specs for it from Aiyima: Parameter: Chip: TPA3116D2 + 6925C + NE5532 Output power: 50W * 4 Impedance: 4-8Ohm Frequency: 20Hz-20Khz (± 3db) Signal to noise ratio: ≥98db Working voltage: DC12-24V AIYIMA A07 TPA3255 vs Fosi Audio TDA7498e. #39. View attachment 152590. Many opamps have a max supply of +/-18Vdc, so simply rolling opamp into such amps would cause them to smoke. Avoid LME49720– fr some reason, it disables the subout of the A07- incompatible circuitry most likely. Sep 28, 2023 · A U-Toober has asserted that the A07 Max has the same issue with its 3. It is valid just for the BTL circuit. notakosan • 8 mo. I owned an AIYIMA A03 amp. Hi all, I have ready virtually everything I could find on ASR on the Aiyima A07. Mar 14, 2023 · Compared to the A07 Pro: Bluetooth implementation much cleaner - if similar priced - though not sure what the final price will be - this is the better amp - I do see they have 30% off - though Aiyima do also run lots of deals) Compare to the TB10D: It has a better tone control implementation / Bluetooth Both amps are good, but I would make sure you have a good speaker match with either amp. Power Supply - 32V/5A Input Mode-Bluetooth Signal Source - Android Phone Bluetooth (You Tube & Spotify) Speakers - Philips bookshelf speakers (BTD7170). These are both mini class D amps that cost about $75 and produce plenty of power to drive any speaker in a nearfield setup. 1- For the Shui Yuan there are two versions, one with the NE5532P op amp and 3200uf caps and another with LME49720NA op amps and "nichicon" caps. AIYIMA T9 Pro Jan 1, 2021 · The advantages of this type of PS is you can feed up to 3 devices with the same PS. Don’t hesitate. 03% when working continuously. Why Upgrade This a quality amp at a super reasonable price. This is not the type of op amp we are discussing here. I have the 32 and 36 power bricks from Aiyima already but in my experience the 36v is best. Functionality it is like the Aiyima A07. I have made a thorough THD and IMD vs. Jan 1, 2021 · The OP275 has a available slew rate of 22 V/μs and a bandwidth up to 9 MHz. 【300W+300W Stereo Amplifier mode】Dual function switchable Stereo/Mono 300W/600W amplifier. Aug 14, 2021 · On the swedish forum faktiskt. However I ordered it without the powersupply, because I want to use a higher quality power supply than the bundled unit. If you don't know or don't care, just stick with the default and save the money. Assembly quality of my unit is good, or even very good. I feel like the BASS is not enough for me. Lm4562 also offer slightly better measurement results ( as pma has shown in Aiyima a07 ). SNR:110db. This is a review and detailed measurements of the AIYIMA A07 desktop amplifier based on TPA3255 class D amplifier chip. I'm also ordering OPA2134 opamps to replace the NE5532's that are stock. The cost is US $72 on Amazon including prime shipping. I tested from its left & right channels (not using subwoofers). 2. 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. AIYIMA T9 Pro Adopt NE5532, the op amp has socket, it is convenient to upgrade the better op amp Oct 8, 2001 · 2001-10-08 9:07 pm. 1ch BTL connection mode May 14, 2022 · The Aiyima A07, is a good amp. It isn’t particularly expensive tho more than a 5532. de and as stated on their website, it arrived without a power supply. 00+/- vitus audio integrated amp. At first I thought it was due to my speakers, but after I have tested with many bookshelf speakers, but the BASS is not punchy (shake level) even I turn the BASS Apr 6, 2020 · The NE5532 supports a max supply voltage of +/-22Vdc and a nominal supply of +/-15Vdc. If real it should not have any negative impact on sound quality at all. 5a industrial psu. Jan 1, 2021. I went through a few different opa in search of a satisfactory sound with either a complimentary balance or a pure line of one sort. 5mm jack as the original A07 -- he claims that its channels are reversed, i. AIYIMA A07 MAX $79. Up to 20kHz it is almost entirely defined by the 2 x 10uH inductance of 2 output coils. Ok, but that's not the issue here. 3. 25" woofers & Dome Tweeters. I ordered an A07 with the 4562 op amps from Aliexpress. AIYIMA. 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". Controls are easy: push the button Sep 28, 2023 · I have change several times change opamps like 50 times in Aiyima 07, Aiyima07 Pro and Fosi V3, they do sound different and make improvements in sound, since the are made for different voltage and applications, I have the Sparkos labs SS3602, Muses02, lme49860, lm4562, opa1692, opa2604, opa1656 ect. This is such a fantastic Amp - this was the first truely “pragmatic’ audio device that I bought in probably 10 years, a total bargain with quality sound. There is an indicator which lights up green when the unit is operational. I personally like it in the right circuit and feel it adds clarity and imaging. ) Really glad to hear this, because I was also thinking about pairing the E50 with the A07. Jan 7, 2021 · After reading, changed OpAmp to LM4562 and bought 48V SMPS from Aiyima - thanks to Youtube didn't burn this one and was able to connect & adjust to 44V. May 21, 2022 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Jul 19, 2023 · 1. It was sent to me by the company and costs US $190 with 48v @ 5 amp supply. 설계 결함인지 뭔지는 잘 모르겠으나 PCB 기판을 급하게 수정한 Ask An Expert. and he mentions a uk buddy who prefers the aiyima a07 max amp to a €10,00. So I changed the standard NE5532 with LM4562 in my Aiyima A07. Jan 1, 2021 · Location. TPA3255 based amplifier, probably upgrade to their A07 amplifier. Recommended power supply： DC48V 7. 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. This is a review and detailed measurements of the AIYIMA A07 Pro stereo amplifier. their actual power at 1% is much lower. Aiyima D05 Chips set: CM6642, TAS5508, TAS5352A, QCC3008, CS8422, WM8782. strangely its probably the most boring sounding one when paired with 400i but the best sounding with hd600. An internal PSU that more than likely could even be upgraded at a later date if you fancy an Active PFC power supply if it is not already installed which just might be the case if those toroidal inductors are anything to go by on the left side of the heatsink, could just well be an active PFC power Sep 4, 2021 · Dec 15, 2023. I will team this little power amp up with the Aiyima T10 which is also a nice little unit with plenty of sonic goodies. The A07 noise is not a tragedy, but it restricts the achievable SINAD. LM4562 is one of the choices. Jan 2, 2021. Sep 11, 2021 · In my opinion, the Aiyima a04 with lm4562 sounds a little better than a07 with the stock ne5532. All pushed with Aiyima A07's. Opa1642 4. Ordered some LM4562 op-amps today from Mouser just for the heck of it. My pref is to upgrade opamps in the pre/DAC stages as that output section will have the biggest influence in sound char. bombsexybomb • 1 yr. The amps and power supplies run cool to touch. 2ch BTL connection mode 3. Jul 6, 2023 · Both the Aiyima A07 and Fosi Audio V3 use outboard power supplies. Mar 3, 2023 · delta76 said: most (if not all) quoted numbers from Chinese amps are with 10% THD. The RCA inputs and the 3. Nov 18, 2023 · This list shows 71 products, with 14 chips in the DIP-8 package. The overshoot indicates to worsening stability with higher ohmic load. The 4562 is a very very fast opamp. 1uF cap close to the NE5532. 7A. 5mm input are both pass through outputs when using the other one. Add to Cart -17% AIYIMA. AIYIMA A07 MAX - US Warehouse Ship $129. kwhmeter looks like this, it's an awesome tool and cost 7 bucks, my Aiyima A07 with 32v5a only consume 3. Currently using with my ADS L420s. Supply voltage is 19V/4. I would buy that amplifier at Amazon, and later swap the ne5532 for the better sounding lm4562 . Jan 7, 2021 · I have done this with great results using the Aiyima A07 and the Aiyima T6 Pro. I am testing the A07 with 2 different power supplies. 25 ohm at 10kHz and 3 ohm at 20 kHz. Features:Unique and amazing combination: integrated T5 amplifier with VU meter into whole in such a mini size, when enjoy HiFi music, the pointer dancing in the warm light with strong vintage feelings, dynamically decorates the audio system space. As can be seen the slew rate and bandwidth for any of the two op amps by far exceeds the spec required for 20KHz. Using the same SE output on my IEMs and headphones, I can hear noticeable noise from CPU working and the audio on/off pops. LM4562, OPA2134, MUSES8820, NJR4580DD & JRC5532DD- are all cheap enough to experiment w/. I use this though (Macbook -> DSP board -> Aiyima/sub). output LC filter response into 4 and 8 ohm load. Jan 2, 2021 · Jan 3, 2021. Sep 8, 2021 · Sep 8, 2021. 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. Really nice and with sources running through the NAD 1020 preamp, plenty of power using Aiyima's standard power brick. Bluetooth 5. The model name is a bit confusing but oh well. pma said: I am posting a simulation of the frequency response of the LC filter as shown in the TPA3255 TI datasheet. Jan 7, 2021 · Swapped my A07 into my workroom system again, in place of the SMSL AO100. You can buy it from Audiophonics . Mar 8, 2024. Its the ”new”version of Aiyima a04 with the green card . The LM4562 less of too much, but still not exactly neutral. J. May 20, 2023. But you also have to realize the limitations of the way the 3255 chip is implemented in this case. Size:151*100*33MM. LM4562 is a high-fidelity dual op amp introduced by National Semiconductor Corporation in recent years. However just swapping a chip can sound worse. It was kindly drop shipped to me by a member and costs about $90. 99 from $65. Also good for being the cheapest stuff I could find. A07, A07 Pro (BT + Tone Control), A04 (less power than A07), A04 2023 (less power than A07, TC), A08 Pro (BT + TC + VU). Impedance: 4-8 Ohm. For some reason, Amir's test of the Aiyima A07 showed quite a bit of line AC frequency noise. Sep 26, 2019 · It is recommended to use LM4562, which has a wide operating voltage range and ultra-low distortion. The hiss is slightly higher from Aiyima a07, but still very low. I don't own the Aiyima A07, but early last year I purchased their lower-power A04 amp (TPA3251) for a "portable" system that I use with a 12v Talentcell 38400mAh Nov 24, 2022 · In addition, all 4 op amps are socket type, aiming to attract DIY fans. ago. As in, if you connect RCA inputs to the Aiyima, you can use the 3. . Apr 4, 2022 · It's a really wonderful, inexpensive setup. Was also contemplating the E30, but heard the difference is night and day. The wire and plug are quite thin but okay, housing plastic is also cheap but okay. The sound is a bit better with lm4562. 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. Oct 2, 2021 · Its PMA:s measurements on the Aiyima a07 with ne5532 and lm4562. The setup performs pretty decent for the price (less than 100€). But the A07 is a better match with the Wharfedale, allowing the softer top end to shine just a bit more. Jan 1, 2021 · AIYIMA A07 TPA3255 Amplifier Measurements LM4562 option I received my A07 yesterday, on January 6, 2021, shipped from Italy. You clip these things and they turn off. Frankly, the A07 can hold its own and takes up very little space. I may try those in the A04 first and see how 이웃추가. Fosi Audio is releasing their new V3 amp. Sep 15, 2023 · Friends, I have come across a new Aiyima amplifier soon to be available. Its distortion is very small, with only 0. g. But I noticed an odd op-amp decoupling in the Aiyima. HiFi clear sound with tone control: resonable circuit and concise wiring, Aug 20, 2022 · Oct 23, 2022. It is still low 0. In addition to the lower voltage supply, I will be drilling some ventilation holes in the bottom and top of the case for better cooling. Don't think otherwise. The input circuit is not very sophisticated and LM4562 helps only partially. 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. It was kindly purchased new by a member and drop shipped to me. Its four operating modes are 1. That Aiyima amp is going to give you at best about 60watts of clean power and it's not going to tolerate clipping like a pro-monitor amp would. 99 $102. Its also a bipolar Op amp, just like the ne5532. Replacing them with a known real NE5532 may be really worth a try. 바로 Aiyima사의 A07 Max 라는 Class D 300w급 미니 앰프인데요. Amp with RCA in, sub out, volume and power switch. Back panel looks simplified: - RCA input - AUX input/pre-out - better speaker terminals, looks bigger than usual ones used in similar amplifiers. The Buckeye 6 ch NC252 ( ASR review) 5 W SNR is 97 dB, which should be representative of the typical NC252MP implementations. NE5532 incoporates BJT circuitry inside, but if u wish to go something with FET circuits inside AD825 is the best choice. 오늘은 오랜만에 중국산 오디오 앰프를 하나 소개해드리겠습니다. Hopefully, a user Sep 26, 2019 · Tangband said: I have switched from ne5532 to lm4562 in Aiyima a04 tpa3251. Dont listen to those who say its not worth it . Nov 24, 2022 · It's seems designed to use the NE5532 and shows a lot of variation when other ones are plugged into it. Aug 14, 2021 · - Wharfedale Diamond 8. Tpa3251 has lower hiss. Although both of the Aiyimas did benefit greatly from an Op Amp upgrade. Feb 3, 2024 · Normally the signal path is biased at 0V and the amplifiers use +/- symmetric supplies, so no capacitors are absolutely needed to block DC, especially for balanced inputs where the DC gets canceled. Find both more than adequate power-wise for my listening habits. Sep 28, 2023 · I couldn't understand the operation of AIYIMA A07 Max's monaural mode, so I looked into the TPA3255 data sheet in detail. Before all that I started with an Aiyima A07 & A3 Pro with the passive Moukey speakers. Feb 3, 2024 · TI defines those as having "gain bandwidth product (GBW) ranging from 50 MHz to 8 GHz". I have a pre-amplifier built using NE5532 with excellent performance outweighing most high end pre-amplifiers. As tested with 48v 10amp GaN supply, it costs US $220. Power brick is 32V 5A, average quality. This is why we make square and step response tests, as @restorer-john knows, but many others do not. Jan 1, 2021 · Synergy4 said: The Aiyima D05 has more functions and features, but maybe not as low distortion for some applications. Thats more than enough for your loudspeakers. Jan 1, 2021 · Unfortunately it is almost completely defined by the noise of the A07. The GBW of the NE5532 is 10MHz, and there are no microwave capacitors on either the TPA3255evm nor the Aiyima board. Jan 1, 2021 · If your source player, or preamp has high enough output, with the A07 volume set to maximum (the typical/right way, when using it as a power amp), then for sure the A07 will clip if you crank the preamp's volume high enough, and it won't take much for that to happen if you are using the 32 V power supply. 1. #2. Texas Instruments TPA3255, digital audio amplifier BTL bridge power output 300W * 2 channel design, THD less than 0. Jan 7, 2021 · This is the output impedance of the output LC filter used in AIYIMA A07. Jan 1, 2021 · It is known to have a very crappy power unit, barely able to supply a stable 24V, whereas the AMP-chip can do 26V. 0 channels/Stereo. However some manufactures (eg, NAD 3150) went for +/-18. e. The existing A07 and A07PRO of TPA3255 can use 48V10A power board, 4ohm 240W*2 distortion 10%. Other forums provide additional suggestions, and the Mouser database provides yet more possibilities. Joined Sep 4, 2021 Messages 7,541 Likes 12,630 Nov 15, 2023 · We know that both A07 max and ZA3 have input sensitivity lower than 1V (ZA3 is probably around 0. Nothing else to distract you. Oct 30, 2023 · 2. Rob, NE5532 is really a good OPAMP compared to many others. Mar 7, 2021 · [edit] I noticed that three pictures of this amplifier in the original Aiyima A07 thread show different sizes of heat sink, with the original unit that Amir tested being the smallest. I was looking for a good amp for my next upgrade in my working from home office. I'm using the A07 (at 40V) and a tube pre-amp T1 (at 12V), just using a variable step-down transformer (like this one for 9€), to convert from 40V to 12V. Changing it with a better one should improve performance noticeable. Amplifier chip: TPA3255. Any q’s. So I added 10uF close to the op-amp as practiced in the TPA3255evm . But the TI/Aiyima are single sided designs with only a +12V supply, with an AC signal biased around +6V. Size 5. As you see, the A70 comes in vertical desktop configuration. The packaging is extremely simple, but thorough. Jun 24, 2022 · 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. The Aiyima A07 on the other hand looks too powerful for my 80W rated speakers, therefore presenting a risk for my speakers overpowering/volting them for some reason. With 8 ohm, the overshoot would be even higher. Aug 14, 2021 · Then you will explain why, with the same DAC, some amps can produce barely no hiss in the speakers and some a lot of hiss. 5mm, you can use the RCA's as outs. Thats gives about 2*150 watt at 4 ohms, 1 % distortion. Bottom line, check the supply voltages, pin 4 and 8. One channel driven, 4ohm load. 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. There is just no way that I could afford to experiment with this many components from more mainstream manufacturers. Lm4562 2. Ne5532 After this , with two amplifiers both with lm4562 it was time to check if they sounded identical, and they did. he did not say which speakers he was using. It is very questionable if you will hear any difference by switching to an LM4562 or OPA1656 from a real NE5532. Tried to make a "reverse engineering" from the posted photos of AIYIMA A07. If the ne5532 chips are genuine parts, it won't matter what 8 pin op-amp you stuff in there, it will sound the same. I feed music from HiBy FC4 dongle unbalanced of course. Its NE5532 op-amps are housed in a DIP8 package and are Nov 15, 2023 · Then WiiM Amp is a good allrounder - not sure it will measure as well as the individual components e. The NE5532 is a very good, hard to beat op-amp. Jan 2, 2021 · Likes. I had the Aiyima A3 Pro as a preamp for it and after no longer needed to move the tone controls from 12 o'clock to get good bass. File 1 (attached) provides a list of possible drop in replacements for the NE5532, where the pin-out and supply voltages are compatible. Aug 14, 2021 · If yes, and if you have the time, could you please test the output of your aiyima a07 with that 48v7. Output power: 300W+300W. Apr 26, 2023. Tried 48V, 5A brick (with both speakers), did not hear much difference - but the A07 run a few degrees warmer. AIYIMA A07 MAX - US Warehouse Ship Model : AIYIMA A07 MAX Product name:A07 MAX TPA3255 Power Amplifier Jul 31, 2023 · I think this one from Aiyima might be better value for money than even the V3 at the moment. One disappointment with the A07 Pro is that the volume pot used to control the volume has the wrong characteristics. Opa1612 ( sounded almost as good as lm4562, very small difference ) 3. The author refers to "microwave capacitors" in multiple places. Found the OPA1656 i have too much of a good thing in it. 5mm as an out. I have two a04 - one with ne5532 and the other with lm4562 . It’s bloody fantastic. Oct 30, 2023. Its a fantastic amplifier. Also, some of the parts used have been changed, but I think the circuit itself is not much different from the old model. It is the only basic TPA3255 amplifier with a traditional low-profile form-factor and internal power supply that I am aware of. 3 comments. #1 Choose the LM4562 (LM4562 vs NE5532): High-End Audio Quality: If your application demands the highest audio quality, low distortion, and minimal noise interference, the LM4562 is a better choice. Location. Feb 3, 2024 · I wanted to know if op-amp rolling is a thing. #1. ) Mar 8, 2024 · Seattle Area. Add a heat exhaust fan to reduce the heat generated by the chip. Jan 7, 2021 · AIYIMA A07, step response into 6. My Klipsch rp600 sound less harsh with the Sony than the Aiyma. The Aiyima a07 runs very cool normally but was getting pretty hot to the touch when the ambient temp was 38c. Jan 12, 2022 · Something else that I personally found as a small gripe is most of the class d amps around £40-100 do not have a balance control which is not a deal breaker especially where the Aiyima A08 is concerned but something to consider if getting and equal sound from your speakers due to seating being off center is important. 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. I am hesitant to use a Mean Well, because I am not sure which wiring I Oct 7, 2022 · Aiyima A07 Review Note: This is an old review copied over to this new website. (Also have/love the DBR6 and BS41's, in case you're interested in the family. Oct 23, 2023 · Aiyima A07 MAX. its Amp won't measure as good as a ZA3 or A07 MAX (but it will be close I think) its built in DAC won't be as good as the WiiM Pro Plus one (or the SU-1) and can't be used externally and there isn't any option for Mono block setup etc but the Jan 27, 2023 · TI doesn't place it so-so on their products. Apr 26, 2023 · The lm4562 is also an alternative ( I think its the best sounding in Aiyima a04 and a07 ). Louder, way too dynamic, too many high frequencies, too much bass, too much detail. May 20, 2023 · Seattle Area. View attachment 152591. May 1, 2023 · Internally, the A07 Pro uses the same TPA3255 amp chips featured in the original A07. Seattle Area. LM4562 OP Chip or NE5532 OP Chip. 5Vdc. Jan 1, 2021 · Just got Aiyima A07 with Dali Spektor 1 for my desktop to replace Bose Companion 20. 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. Purchased at Amazon. This is a review and detailed measurements of the AIYIMA A70 stereo class D amplifier. The included NE5532 op-amps are replaceable and can be upgraded with SRT3609SM, OPA2604, OPA2314, LM4562, JRC5532, OP275GSZ, OPA1612AIDR, etc. Its the same power supply used. So you should get that version… even if the performance difference is likely so slim that you wouldn’t notice it in real world listening. 4 (6Ohm, 86dB) - 32V, 5A (Aiyima stock). 7V based in info from Audiophonics, if I remember correctly), if the DAC/pre-amp could be fixed closer to input sensitivity of the amplifier then amplifier volume could be maxed out completely eliminating potentiometer getting in play. My new big classAB A250W4R has noise of almost 10dB lower than A07. 5A Power Supply. Right now there is people comparing Aiyima a04 tpa 3251 with a Rotel ra1592 and a Hypex nc400 amplifier. the tip connection is the right channel and the ring is left rather than vice-versa, which is the de facto industry standard. In the end it was a complimentary balance between the BB opa2604 and the LM4562 that won the day. 8watt and using 48v5a only consume 6. #58. Add to Cart -17% 36V6A US plug+LM4562 chip - $70. 239,301. The TAS5352 amplifier IC is very old (current TAS5352 DS is 2007) and is NOT recommended for new designs. In other words, the distortion of this op amp is Jan 1, 2021 · Don't go the rabbit hole of looking for best sounding TPA3255 - they all sound the same honestly and share the same principal issue - load dependency. Pros-*Very good BASS performance against AIYIMA A03 (TPA3116D2 based amp). Try a 50V12V switching power supply, and the output can reach 300W under the condition of 10% distortion. 4ch SE connection mode 2. I also have Aiyima T8 but it makes the A8 play with a lower volume and then the usb dac emits a background noise to the speakers, I would like to do a little review of this Aiyima A8. One of them is a linear AIYIMA A07 MAX - US Warehouse Ship $129. First it's in a sealed enclosure, with no ventillation so you are going to run into thermal limitations long before you reach maximum power (which requires a 48v 8 amp power supply. I swapped the Op Amps in my A07 to the LM4562 and the bass is better controlled and overall the sound is much more detailed than with the NE5532. This little amp with its 36 volt/6amp power supply had no trouble driving the Revels to incredible dynamics! Resolution and detail was superb. I must say, I was not remotely prepared for what I heard. Alas, that is also where the problem is with this unit 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. For anyone interested, this recent blog post (Cheaptubeaudio) includes a tour of the Aiyima headquarters, quick Q&A with three of the team, some discussion of newer products on the way (eg, T5) and a brief Youtube demo and mention of the A08 Pro (with a promise of an A08 Pro review coming soon). Forum Donor. The Aiyima a04 with lm4562 is dead quiet - no hiss at all. As you see the distinguishing factor from some of the other Aiyima amplifiers is inclusion of tone controls. I gave it high marks for very low distortion at extremely low budget price. Mar 6, 2022 · The two boards that are available now on Aliexpress are the AIYIMA A07 and the Shui Yuan. Even if it's only 50W per channel with the same power supply, the A07 has two channels of 50W while the A3001 has one with 50W. LM is the best overall, it sounds the most balanced, very natural/smooth/clean, doesnt exaggerate anything but can sound lacking in impact. And as of this shipping, it also included a 32 volt, 5 amp Nov 25, 2015 · Ive compared the NE5532, NJM4556 and LM4562 so far. #24. Sound Jan 1, 2021 · Nope. I have tried the Topping D10 with the Aiyima A07 and with the Audiophonics Hypex S500NS and those were completely different stories. There was only one 0. PMA has made measurements on this forum showing its slightly better with a07. Apr 26, 2023 · 43. Jan 7, 2021 · So this would probably be my final contribution to A07 measurements. Question was raised on the revision of the board and thermal characteristics of the unit so here we are. Jan 7, 2021 · The different players sounded different. Number of channels: 2. It excels in premium audio equipment like Pretty sure the original version used the NE5532 and the more recent revision uses the LM4562NA which is newer and considered an upgrade. Aug 28, 2023 · Choosing between the LM4562 and NE5532 depends on your specific application requirements and priorities. Nov 26, 2023 · AIYIMA A07 Max Listening Tests I connected the A07 Max, don't laugh, to my $23,000 Revel Salon 2 speakers as requested by a member. I have the Sony. Really impressed with the details and balance, and also got a little surprise. Result: I couldn't notice a difference. This amplifier is powered by the TI TPA3255 IC, which is capable of delivering 2x225W @ 4Ω in stereo or 1x450W @ 4Ω in mono. Select options -20% AIYIMA. 99 AIYIMA Product catalog US WAREHOUSE SHIP EU WAREHOUSE SHIP Jan 21, 2022 · I also have Aiyima A8 and Aiyima D03 too, but it seems like the D03 has a lot more power and a lot more watts and sounds louder. 2 is provided by a Qualcomm QCC304X and the supported codecs are SBC, AAC, aptX, aptX LL and aptX HD. 8 ohm load. You can pick them up from Mouser for like $5 each with shipping. Or if you connect via 3. Jan 1, 2021 · The aiyima has a "splitter". This is a teardown of the AIYIMA A07 TPA3255 Class D Amplifier I just reviewed. Oct 31, 2023 · I just recieved my AIYIMA 07 Pro. 00003% total harmonic distortion and noise (THD+N). 125 ohm at 1kHz, however high 1. Sep 16, 2023 · About this item . Nov 24, 2022 · Remove the case and increase the heat sink. You can see this in the specs for the tpa3251 and tpa3255 used. So far, new opamp seem crispier with better instrument separation but new power supply definitely gave it louder oomph allowing me to hear those sound whispers in my KEFLS50s (which are proven Nov 10, 2021 · 1. The NE5532 has a available slew rate of 9 V/μs and a bandwidth up to 10 MHz. Instead of the default NE5532 Op Amp chip, Aiyima factory can customize the A07 with a different Op Amp chip for you for a different sound signature. If the load is removed, the amplifier stops working. Just checked it with below stuff. Nov 24, 2023 · Just buy some lm4562 ( recommended by Aiyima ) and you get slightly better sound . io they have checked the voltage of that amplifiers power supply and its 36 V 9,6 A . 99. I am not sure why it is on Kickstarter to launch, but I backed it since I was hunting for a simple amp. 4 watt. by vg vw an vw en ig nj aq wi