This store also offers a choice of two different op-amps. Nov 18, 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. 00+/- vitus audio integrated amp. Most of the rest of the tests, the Aiyima fairs better at too. ). The TPA3255/3251 are differential amplifiers. Nov 1, 2022 · Nov 1, 2022. Actually it is TAS5352A. 5A max. base, and see how it sell. They sound great, but 2 died, most probably they can't take 48V. Jan 1, 2021 · I bought several Chinese TPA3255 boards 2 years ago. View attachment 152590. Adopt original TPA3255 chip. i plane change some thing and add post filter feed back here. Jan 7, 2021 · "Midnight Audiophile said: I use an A07 with a Drok 48v, 10 amp adjustable power supply, and run Dali Spektor 2 speakers with it. 1 CH Bluetooth Power Amplifier - an impressive 165Wx2 + 350W powerhouse! fosiaudioshop. 5mm jack was reversed, but at that time it was completely ignored. The input are in stereo RCA or on Jack 3. Jan 1, 2021 · I want to increase SNR by pairing AIYIMA A07 with a better power supply. A07, A07 Pro (BT + Tone Control), A04 (less power than A07), A04 2023 (less power than A07, TC), A08 Pro (BT + TC + VU). This supply is the best compromise for power, temperature and longivity with Aiyima's configuration of the TPA3255 chip. Alas, that is also where the problem is with this unit Jan 2, 2021 · I have a Aiyima A07 with a somewhat noisy toggle switch. 5 bits by a bad power supply sold with AIYIMA A07 TPA3255 amp. It is difficult to say if it is only the amplifier issue or measurement system inadequacy as well (signal ground loop or something similar). Up to 20kHz it is almost entirely defined by the 2 x 10uH inductance of 2 output coils. Jan 1, 2021 · Jan 2, 2021. Sound was more precise, defined, with a larger soundstage. I feed music from HiBy FC4 dongle unbalanced of course. My Oct 3, 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 We would like to show you a description here but the site won’t allow us. Jan 1, 2021 · In addition to excellent audio performance, TPA3255 achieves both high power efficiency and very low power stage idle losses below 2. This is entirely wrong . I have made a thorough THD and IMD vs. The 16-pin IC on the right is an MCU (small CPU) that controls the operation of the A07 Max. The measurements of Aiyima a07 tpa3255 is better than Behringer A800. View attachment 107442. The switch induces a crackling noise into only one channel when switching the amp on. Turn off-on sequence needed to make it running again. 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. 0015%(@1W)Signal-to-noise ratio:≥≥116 dBFrequency response: 20Hz-20KHz (±1DB)XLR input sensitivity: 3. de and as stated on their website, it arrived without a power supply. If the switch produces noise, I can get rid of it be twisting the lever (rotating it around its own axis). CD player, streamers etc. 1 amp with separate volume and frequency controls for a passive subwoofer. Either direction you go, your speakers will welcome the pairing. It was sent to me by the company and costs US $139. Jan 1, 2021 · I recently acquired my A07 and found it to be some what better than measured by AudioScience who used a 48 volt power3 amp supply. Will the the standard Aiyima power supply (32V 5A) be enough to play music loud (105dB at 1m) without clipping? Do I need to buy additional power supply (36V 6A or 48V 7. Aug 12, 2019 · Here is a link for Aiyima A07 Max thread and YouTube review. (real) 55w @ 4 ohms / 48w @ 8 ohms, hilariously spec'd by the manufacturer at 300w. Jun 24, 2020 · This is the output impedance of the output LC filter used in AIYIMA A07. The good news is, they’ve already contacted me to hopefully resolve this. 2A). May 21, 2022 · AIYIMA A07 TPA3255 Class D Power Amplifier Review 👍🏻 Get your AIYIMA A07 TPA3255 Class D Power Amplifier here UK https://amzn. Built-in high-power HIFI special high-efficiency switching power supply, directly inserted into 220V. The compact size should fit on desks well. In short TPA3251 sounds more like class-D and TPA3255 is more analogue sounding. 8V, 130W, mono mode Load 8 Ohm = 23. The package came a little banged up, but I didn’t think anything of it. 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. Please check before you write an info like this. 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. I have been playing it with a Topping D30 DAC and a pair of Elac Debut B6s in my office setup. Seattle Area. It's unusual in that it uses a second TPA3255 just to drive the sub. . Tried to make a "reverse engineering" from the posted photos of AIYIMA A07. Jan 1, 2021 · This week, I started looking for a headphone amp for late night listening, became curious about what these mini amps could do, so ended up, with the help of this forum, with a SMSL C100 DAC, Aiyima A07 amp and a Sabaj A10h headphone amp, all for the princely sum of 215GBP. A07 and almost another tpa3255 boards using old parament with componet of LC filter and Zobel network, addition A07 operating at 600khz, like tpa3251. Read honest and unbiased product reviews from our users. " Jan 1, 2021 · Hello! I would like to buy the Aiyima A07 to power my tower speakers (impedance: 8 ohms, RMS power: 120W, sensitivity: 91 dB). It was kindly drop shipped to me by a member and costs about $90. Jan 2, 2021. This little amp with its 36 volt/6amp power supply had no trouble driving the Revels to incredible dynamics! Resolution and detail was superb. Appears like other Aiyima TPA3255 amps were also using 50v cap, like A07, A07 pro, etc. The A07's TPA3255 is a much better performer. 3A)? May be it's better to get another amplifier? Apr 18, 2022 · Power up your speakers and subwoofer with the Fosi Audio BT30D PRO 2. 5mm port, which cannot be used for headphones because it has no amplification built-in to it. Oct 8, 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. I've been thinking exactly about those two - ELAC DBR62 and JBL Stage A130, with the latter costing as much for a pair as much one ELAC DBR62 speaker costs, so a good value it seems. A Wiim Mini + a DAC. (The Sabaj is still on its way). Apr 18, 2023 · The AIYIMA A07 PRO amplifier supports 2 ohm stereo speakers, 4 ohm stereo speakers and 8 ohm stereo speakers. Jan 7, 2021 · So this would probably be my final contribution to A07 measurements. 5W. May 29, 2023 · Bassy Boomy Colored Driving Power Effortless Flat Lean Lush Roll-Off Slow. Using the same SE output on my IEMs and headphones, I can hear noticeable noise from CPU working and the audio on/off pops. Archived post. The TAS5352 amplifier IC is very old (current TAS5352 DS is 2007) and is NOT recommended for new designs. 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. Using TI's ultra-high-definition digital power amplifier ic (TPA3255), the output power is up to 280w*22. More details. 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 The Fosi Audio BT20A Pro has quite a few noteworthy features. #81. he did not say which speakers he was using. View attachment 152591. 62 with free shipping to the US from China, or from a German location to Germany for free. The Topping PA5 has the capability of using both Balanced and Single ended inputs. 8Vrms (19dB)RCA Jan 1, 2021 · In the standard stereo implementation, the TPA3255 chip is already bridged (the chip has 4 single-ended channels). High precision chip resistor is selected to ensure good signal-to-noise ratio of the whole machine. Oct 6, 2020 · To get even close to the spec, you'd need a 51V 650W supply, which would need to deliver nearly 13A through a 2. #2,191. Jan 1, 2021 · However, after buying a couple of Amazon “black bricks” and [subjectively] comparing their sound with my HP/Agilent N5745A lab power supply (32V, 25A), the 4-5A black bricks are more than adequate for my listening volumes and are indistinguishable from a $1,000 lab unit. Sep 8, 2022 · This is a review and detailed measurements of the AIYIMA A200 stereo amplifier with USB DAC and Bluetooth. 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 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. 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. I suggest buy one on Amazon and give it a go. One of them is a linear regulated PSU with 30Vdc voltage and current 1. t Jan 1, 2021 · O-NOORUS D3 Class D Amplifier TPA3255 Bluetooth 5. Feb 14, 2024 · 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". 5mm to RCA cable. 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. 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. 2M subscribers in the audiophile community. They are daisy-chained. Jan 1, 2021 · 94. New comments cannot be posted and votes cannot be cast. I listen at low "conversational" levels but find one speaker is louder than the other. Sep 28, 2023 · The IC on the left that resembles an OP amplifier is a step-down converter IC. It provided clean / neutral sound without the noise / "tinny" sound of previous class D amplifiers in the equivalent price range. This is a review and detailed measurements of AIYIMA A08 Pro stereo amplifier with Bluetooth support. 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. May 20, 2023 · Seattle Area. Once I ordered the power adapter (didn’t realize the power supply wouldn’t come with one), and got everything plugged in, I realized there is a lot of extra noise at volumes after about 5/8 of the way up. This is a review and detailed measurements of the AIYIMA A07 Pro stereo amplifier. Aug 14, 2021 · Aug 14, 2021. Jan 1, 2021 · Just going by the specs -- and its likely decent quality notwithstanding -- this thing will not unlock the A07's potential, not even close. I got the AC110/220V to DC48V 5. Sep 28, 2023 · Seems like manufacturer (Aiyima, in this case) seems to be satisfies with 50v to be used with 48v psu. 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. And AIYIMA A07 TPA3255 operates at 600kHz carrier frequency. 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. For the money I buy now Behringer A800's. Unlike other Aiyima products that I have bought on Amazon, this one came in Amazon's box decently packed for transportation torture protection View attachment 373541 Contents, Look & Feel: > Contents: A70 Amplifier unit, 48v 5a GAN PSU and user manual/docs. Dec 7, 2019 · This Class D Aiyima A07 MAX amplifier features a stereo and mono mode for daisy-chaining multiple A07 amplifiers for more power. I run the speaker lines through a Polk Audio active subwoofer. It embeds a TPA3255 amplifier chip capable of developing a large power of 2x225W under 4Ω, with high efficiency. The A07 MAX retails for $65. ” It’s at $130-135 on AliExpress and Aiyima store. Dynamic range can be expanded beyond 16 bits by pairing it with a better power supply. And as of this shipping, it also included a 32 volt, 5 Jan 1, 2021 · Just got Aiyima A07 with Dali Spektor 1 for my desktop to replace Bose Companion 20. 4. From the TI datasheet you will read. It retails for just $79 on Amazon, including separate power supply. Featuresï¼1. 8Vrms (19dB)RCA Jan 7, 2021 · AIYIMA A07 fails to pass the test and shuts down after 0. I turned up the lower frequencies w an EQ to accommodate. and he mentions a uk buddy who prefers the aiyima a07 max amp to a €10,00. 2A Switching Power Supply Adapter for TPA3255 Amplifier (DC48V5. There is no 3. May 20, 2023. 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. It's a 2. Results with 36V / 6A PSU: Carrier frequency of TPA3255 = 450 kHz Load 4 Ohm = 21. 0 2x130W 4 Ohm Red - Audiophonics. www. 99 USD HIFI Desktop Speaker Amplifier, with Bluetooth 5. Jan 7, 2021 · Talking about AIYIMA A07, it will end up in a dustbin soon. A good result for a budget chip amp. Feb 23, 2023. 2. Frankly, the A07 can hold its own and takes up very little space. Jan 1, 2021 · I used the preferred link from the Aiyima storefront. 5V, 115W per channel, both channels driven Load 8 Ohm = 21. It provided clean / neutral sound without the noise / “tinny” sound of previous class D amplifiers in the equivalent price range. The first stage amplifies the input signal and the second stage inverts the amplified signal for each channel. It is so nice to see a VU meter on an amplifier! This one actually seems high quality with nice ballistic response (fast jump, a bit slower retard). Good bass but top end was grainy. As can be seen the slew rate and bandwidth for any of the two op amps by far exceeds the spec required for 20KHz. Feb 13, 2016 · The A07 is also available for the same price from the AliExpress AiyimaTechnology store (270 sold, 2942 available), which ships from China or Russia. Jan 1, 2021 · I'm looking for some bookshelf speakers to pair with the Aiyima A07 and 48v 7. Lets Jan 1, 2021 · Here is my system: laptop - USB cable - Topping D3 - RCA cable - Aiyima A07 - speaker cable - Heco Interior Reflex speaker (old school, 90’s speaker with 4 ohm 60-90 watt). Bluetooth device connectivity (included external antenna with 50ft range). Judging from 32V and 48V test results - lower voltage, higher ampreage will produce least noise. Jan 1, 2021 · AIYIMA A07 TPA3255 Review (Amplifier) Thread starter amirm; Midnight Audiophile Active Member. #1. 2s, however it is not according to the standard. So that may also be a return/repack item. Natal said: I have Dali Spektor 2 speakers driven by the Aiyima 07 amplifier. Jan 1, 2021 · The TPA3251 can also operate at a slightly higher PWM frame rate frequency (600kHz) than the TPA3255 (450kHz). Jan 7, 2021 · AIYIMA A07 TPA3255 Amplifier Measurements LM4562 option I received my A07 yesterday, on January 6, 2021, shipped from Italy. Reactions: amadeogt Jan 1, 2021 · 1. Power Output: It offers up to 300W of power per channel at a 4-ohm impedance, which is quite substantial for its size. to/44W6EwS USA https://amzn. 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. This is a teardown of the AIYIMA A07 TPA3255 Class D Amplifier I just reviewed. Nov 24, 2022 · For a lovely, smooth and silky solid state sound from a cheap device, check out the Fosi Audio BT30D Pro. Nov 2, 2020 · Active Member. I recently purchased an Aiyima a07 from amazon for a bedroom setup. 99 with a 32 V PSU. ) Sep 8, 2022 · This is a review and detailed measurements of the AIYIMA A200 stereo amplifier with USB DAC and Bluetooth. 5A power supply. 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. Aiyima D05 Chips set: CM6642, TAS5508, TAS5352A, QCC3008, CS8422, WM8782. The measurement was possible with shorter overload of 0. 5mm input of AIYIMA A07 Max to the RCA output of the DAC and checked the R/L channels, and they were normal. This is what powers the A07 that drives my main L+R Features: 1. The cost is US $72 on Amazon including prime shipping. 2 setup. 99. I read somewhere to drive them below 40V. 125 ohm at 1kHz, however high 1. fr. 5A SMPS is at the lower edge of what it takes to unleash that potential. Jan 1, 2021 · The TAS5352 amplifier IC is very old (current TAS5352 DS is 2007) and is NOT recommended for new designs. It still is active and fully supported, also for new designs. Question was raised on the revision of the board and thermal characteristics of the unit so here we are. That's why there are two dual Opamps. When I added the T8 is was night and day. There are now amplifiers based on a new chip from Te Apr 20, 2019 · Also, more specs and performance measurements of the TPA3255 chip: TPA3255 315-W Stereo, 600-W Mono PurePath™ Ultra-HD Analog-Input datasheet (Rev. A) (ti. It is valid just for the BTL circuit. One channel driven, 4ohm load. Controls are simplicity in themselves: push in the volume control to select input (RCA or Bluetooth/USB). Jan 1, 2021 · The Aiyima has more power and less distortion. Jan 7, 2021 · AIYIMA will never give such output power without shutdown, but it is just what TPA3255 is able of if properly used. 2s. The power supply in the review appears to be rated at 48 volts and 3 amps, or 144 Watts. I must say, I was not remotely prepared for what I heard. It is still low 0. AIYIMA's latest TPA3255 power amplifier has PFFB function and is equipped with 48v5a GAN power supply. #39. Better hurry, though - AliExpress shows 80 sold and only 66 pieces available! (Another AliExpress page shows 726 available. 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 gave it high marks for very low distortion at extremely low budget price. Mar 6, 2021 · Finding a low cost, small and high performance amplifier has been an impossible mission until recently. output LC filter response into 4 and 8 ohm load. 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. You can mod cheap power supply by adding large electrolyte capacitor between + and - wires of DC. This A07 MAX in mono mode will be perfect and very cheap. The NE5532 has a available slew rate of 9 V/μs and a bandwidth up to 10 MHz. . Which is the "official" one is hard to tell. 3. 150 euro, great sounding, much more powerful and power supply included. 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. • audio·phile: a person with love for, affinity towards or obsession with high-quality playback of sound…. 0 / 5. 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. At an 8-ohm impedance, the power output is around 150W per channel. 5mm. 0, promising 300w x2 Power for Speakers, and running in Class D, with a line out too. It will be compared to other speaker amplifiers from the price range, including AIYIMA A07 PRO (89 Feb 23, 2019 · Synergy4 said: The Aiyima D05 has more functions and features, but maybe not as low distortion for some applications. Jan 1, 2021 · AIYIMA A07 TPA3255 Review (Amplifier) Thread starter amirm; Start date Jan 1, 2021; as a processed 'domestic audiophile vibe' doesn't do it at all for me now. I think it performs excellent. Aug 31, 2023 · Another one to add to Aiyima’s list of: “let’s add another variant around this same TPA3255 amp. May 7, 2018 · 1. I agree the older Class D 3116 based models where really toys while these newer 3255 sound great, very neutral sounding. The same concept of balanced outputs/inputs. This is what powers the A07 that drives my main L+R speakers -- I got mine for $25 USD via eBay. This A07 model is the classic but Aiyima have a new one now called the A07MAX AIYIMA's latest TPA3255 power amplifier has PFFB function and is equipped with 48v5a GAN power supply. com) Aliexpress has a lot of sellers selling the same products. I reported to AIYIMA a long time ago that the R/L of the A07's 3. Jan 1, 2021 · The Aiyima D05 has more functions and features, but maybe not as low distortion for some applications. Parameter:Chipset: TPA3255+NE5532Replaceable operational amplifier chips: RT3609SM, OPA2604, OPA2134, LM4562, JRC5532, OP275GSZ, OPA1612, MUSES01/02/03, etc. I listened to the A07 for awhile without the T8… first with just a remote bluetooth receiver, and then straight from my MacBook. According to Amir, dynamic range of TPA3255 amp is limited to 14. Jan 1, 2021 · Jun 15, 2024. Nov 9, 2023 · This Class D Aiyima A07 MAX amplifier features a stereo and mono mode for daisy-chaining multiple A07 amplifiers for more power. It's also a TPA3255 amp. U also lose a bit of imaging w the A07, it’s noticeable even on the Q150’s. Mains are driven by an hyper stereo ncore amp and subs are active. I purchased an Aiyima A07 class D amplifier and wanted to post my impressions. First experience, a little off topic but. 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. 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. 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. 7V, 70W, mono mode 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. This is an incorrect information. 25 ohm at 10kHz and 3 ohm at 20 kHz. 5mm headphone port on the AIYIMA A07 PRO amplifier; other than a line out 3. I used an Amazon Prime product for the 3. 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. It reaches a power of 2x225W @ 4Ω in stereo or 1x450W @ 4Ω in mono thanks to its TPA3255 chip. Purchased at Amazon. Jun 17, 2023 · Find helpful customer reviews and review ratings for AIYIMA DC48V 5A GaN Power Supply Adapter for TPA3255 Amplifier A07 & A07 MAX & A08 PRO at Amazon. Fosi Audio BT20A PRO is a $ 99. Nov 24, 2022 · AIYIMA A07 Pro. The measurements of SA300 by Archimago are really ugly. As you see the distinguishing factor from some of the other Aiyima amplifiers is inclusion of tone controls. 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 Sep 11, 2021 · The OP275 has a available slew rate of 22 V/μs and a bandwidth up to 9 MHz. Sep 4, 2021 · Dec 15, 2023. Joined Jun 30, 2022 Messages 143 Likes 227. It was kindly purchased new by a member and drop shipped to me. Jan 1, 2021 · The 32v supply that comes with the A07 should be totally silent, even with your ear against the casing. I am testing the A07 with 2 different power supplies. Changing it with a better one should improve performance noticeable. Feb 13, 2016 · 246,114. Disclaimer: I received this unit directly from AIYIMA for the purpose of this review. Except for power. 5. Jan 1, 2021 · The TPA3255 is a differential amplifier (not a single ended amplifier) which takes a positive signal and an inverted/negative signal for each channel to achieve higher output voltage. Oct 25, 2018 · Well, may be to a point, and/or if you are using the A07 as an integrated amp, that is, using the volume control, you are at the mercy of the output level of your source player (e. Location. com. The photos at both stores show the original, smaller gold heatsink. when i put the max volume in my laptop and only turn the volume a little on A07, the left speaker is very dominant (loud) compared to the right speaker. J. Jan 1, 2021 · This is a review and detailed measurements of the AIYIMA A07 desktop amplifier based on TPA3255 class D amplifier chip. That is a little less power than provided by the 32 volt, 5 amp supply, which is 160 watts. I guess we can only suggest to upgrade it to 63v for better safety. Spec sheet was revised in 2016. It was sent to me by the company and costs about US $160. Aug 15, 2022 #1,597 Jan 1, 2021 · All else being equal, based on my experience, TPA3251 has a more detailed and airier sound, though on certain speakers it will sound grainy and dry compared with the smoother sounding TPA3255. Generates the 12V power supply voltage that supplies the TPA3255 and the power supply voltage of the OP amplifier. g. 5mm DC coaxial power plug- something that would just never happen. The use of audio-specific inductive, to ensure that the sound is crisp and powerful. Distortion:0. AIYIMA A07 TPA3255 Review (Amplifier) - audiosciencereview. i research Ti document about post filter feed back and found something. It will greatly reduce any 60 Hz modulation. Sometimes the noise stays, a little quieter, sometimes it is not there. I agree completely, Duncan that it seems strange the manufacturer would, theoretically, ship this with a 32V rather than a 48V power supply but as demonstrated in Amir’s review, the amp works infinitely better with a 32V supply than none! Mar 27, 2019 · I am posting a simulation of the frequency response of the LC filter as shown in the TPA3255 TI datasheet. 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. Mele quieter2 usb out: DO100> xlr >AO200 > Denon SCgN10 : AO200 > subwoofer out> Nobsound G2 Subwoofer amp>Samsung 100W/3Ω. Is the problem that the Aiyima is incapable driving inefficient speakers (84 db) at a low level and I need much more powerful amp to drive the 2 speakers Feb 10, 2020 · I ordered Aiyima A70 on Amazon on 2nd June and got the delivery on 6th June morning. Jan 1, 2021 · My earlier experiences with Class D (TPA3116D) left me unimpressed. Sep 4, 2021 · Sep 4, 2021. With its D3 class D amplifier, O-Noorus offers a compact, powerful amplifier with the essentials. audiophonics. Last edited: Sep 20, 2021. Oct 22, 2023 · I immediately connected the 3. Jan 1, 2021 · But on the Aiyima it also creates an "Inverted Audio Signal" from the original input. oversimplification always leads to false conclusions my audiopages Dec 8, 2021 · 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. 0V, 55W per channel, both channels driven Load 4 Ohm = 22. Aiyima's recommendation of a 48VDC 7. The D3 features a TPA 3255 amplifier chip and an output power of around 2x130W @ 4Ω. Really impressed with the details and balance, and also got a little surprise. #1,844. ny zz cf xf ku ta zg cq nw tz