Aiyima a07 audiosciencereview

This can easily be swapped for a Nichicon 63V 3300uf for $5. I used an Amazon Prime product for the 3. The cost is US $72 on Amazon including prime shipping. Which is the "official" one is hard to tell. I measured 32. So that may also be a return/repack item. On the swedish forum faktiskt. Of course, it costs double the plastic one used in the review. All pushed with Aiyima A07's. Jan 1, 2021 · AIYIMA A07 TPA3255 Amplifier Measurements LM4562 option I received my A07 yesterday, on January 6, 2021, shipped from Italy. This supply is the best compromise for power, temperature and longivity with Aiyima's configuration of the TPA3255 chip. Aiyima A07 Pro. Low-impedance (4Ohm) and/or lower volumes (80-90dB) would be cooler with 24V (and you would not even need/tap into your high 10A current), yet with similar SQ. Natal said: I have Dali Spektor 2 speakers driven by the Aiyima 07 amplifier. 5mm audio outputs at the back of my PC motherboard IO is, according to the manual (link) (page 2-15) , in the case of 5. this was when playing music through a cheap dac connected between a old blu ray player and the amp via a coax cable Nov 24, 2022 · The existing A07 and A07PRO of TPA3255 can use 48V10A power board, 4ohm 240W*2 distortion 10%. Feb 23, 2023. Solidly built with metal enclosure, and quality G12 output cable. I gave it high marks for very low distortion at extremely low budget price. Sep 4, 2021 · Dec 15, 2023. morozzz_2003. audiosciencereview. Dec 23, 2020 · If you go for an Aiyima I can rekommend a meanwell power supply. Therefore, reduce the input volume pot to an appropriate value of 1V or less. 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. Jan 1, 2021 · Practically, ultimately, it depends on your speaker impedance and how loud you listen your music (ie output power). 1656 being the one to my liking. ) The three chips tested were 5532, muses8920 and opa1656. And I have both (unmodified/stock) and I prefer the way the A07 Max sounds in my particular setup (12x12 room, AK4499EX based DAC, Swans DIY3. Replies 473 Views 127K. 5 bits by a bad power supply sold with AIYIMA A07 TPA3255 amp. I choose it based on the 2. Jan 15, 2023 · I have a 32V 5A Aiyima A07 from July 2022 with markings on the capacitors that read Nichicon 1000 uF 50V. Spec sheet was revised in 2016. I also found out that the TPA3255 has four operating modes depending on the combination of M1/M2 pins. - AUX input/pre-out. 1ch BTL connection mode Oct 22, 2023 · I immediately connected the 3. 4ch SE connection mode 2. after getting it set up the first thing i noticed was a channel level imbalance. Joined Jan 25, 2023 Messages 63 Likes 37. Nov 26, 2023 · Therefore, consideration must be given to reducing capacitance depending on the circuit voltage used. Monday at 6:26 AM. Dynamic range can be expanded beyond 16 bits by pairing it with a better power supply. I found this video in youtube from a guy changing the Jan 1, 2021 · Bruce Morgen said: -- the heat generated by the chip corresponds to the power actually dissipated regardless of PSU voltage. Nov 26, 2023 · This is exactly what happens with those peaks which occur during 0. #2,191. Jan 24, 2022 · Hello everyone, I have been using my AIYIMA A07 for some weeks now, no complains about the audio quality, however I was annoyed by the volume knob, as it is difficult to control the volume on low volumes. Its four operating modes are 1. The only possible problem you might notice is currently there can be a load-dependency issue which can affect mostly the upper treble regions with some speakers. (McIntosh XRT18 in my case. 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. Jan 1, 2021 · With the A07 volume button turned one half turn, it does not get warm. Nov 1, 2022 · AIYIMA A03 vs A07? Thread starter SuperDerpBro; Start date Nov 1, 2022; SuperDerpBro Active Member. Jan 16, 2022 #1 Hi guys, dont know Jan 1, 2021 · Aiyima is currently selling two A07 versions. I need a small monoblock for driving a center channel and was initially considering the A07 max but I will probably end up with upcoming Fosi ZA3 which has a trigger in. View attachment 107442. Higher-impedance (8+Ohm) and louder (100+dB) would benefit from a higher voltage PS. 2ch BTL connection mode 3. - better speaker terminals, looks bigger than usual ones used in similar amplifiers. The measurements of Aiyima a07 tpa3255 is better than Behringer A800. Just a fixed-level out signal! Even when unit is turned off. #1. The Aux out is DEFINITELY NOT controlled by the front volume knob. 2. Jan 1, 2021 · The Elac spec are : 6 ohms / 86 dB sensitivity / 120W max power. 5A/360W, that would be the best or optimal case, but there is no A07 measurement with this power supply. #172. Assembly quality of my unit is good, or even very good. The other, a bit more expensive, comes with the LM4562NA op amp. The D3 features a TPA 3255 amplifier chip and an output power of around 2x130W @ 4Ω. But we have designed the maximum optimal power. Klint Active Member. Btw all these miniamps claiming those 300w are built around this chip TPA3255. Nov 24, 2022 · With the AD827SQ/883B's in, i've used this A07 Pro maxed out, volume at max all the way down from the computer to the Topping E30 II to the amp. One of them is a linear Nov 26, 2023 · I think, I get scammed at Aliexpress with Aiyima a07 max, black friday sales 87. May 20, 2023 · At least not in my case. The completed Aug 14, 2021 · According to Amir, dynamic range of TPA3255 amp is limited to 14. It is valid just for the BTL circuit. i research Ti document about post filter feed back and found something. The Powerhandling of the Power Sertting with 2x Low, are 200-250 Watt RMS @ 2 Ohm. 5mm DC coaxial power plug- something that would just never happen. Nov 1 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. 35dB, much more than manufacturer specs. What's the difference using this vs aiyima 300 watt x2 ? they're both outputing 2x300 watt and 2x350 watt , at 8 ohm, only differ by 50 watt per ch. 5V supply. M Jan 7, 2021 · Talking about AIYIMA A07, it will end up in a dustbin soon. View attachment 152590. No. 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. Mar 27, 2019 · I am posting a simulation of the frequency response of the LC filter as shown in the TPA3255 TI datasheet. 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. 0 volt description from Aiyima (compared to the 2v for the Fosi V3). This is entirely wrong . conradj Member. Low-impedance (4Ohm) and/or lower volumes (80-90dB) would be cooler with 24V (and you would not even need/tap into your high 10A current), yet Nov 24, 2022 · The A07 sound deteriorates when you crank it way up and play it loud. Jan 1, 2021 · This A07 model is the classic but Aiyima have a new one now called the A07MAX and Fosi Audio also have a few models with the same chipset worth investigating. Hmm, basically I prefer the Obscene Extreme things. Main differences are about mono stereo or bridgeable, and the specs of the separated PSU, though some models come with an internal one. Qobuz | Roon |. This means that when the volume level is set to MAX, the rated maximum output is reached with an input of 1V. The RCA inputs and the 3. Mar 3, 2023 · One of the 3. High frequencies will be smoother with less harsh details. Jan 22, 2023 · I’m thinking of moving from the Aiyima A07 amp to either an SMSL AO200 or an SMSL A300. audiophonics. Sep 28, 2023 · I think Aiyima did miss an opportunity by not adding a trigger in for the A07 max, especially when having the ability to run it in mono mode. the Samwha is about 1/2 inch taller than the Nichicon. 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. And, after playing with a half-dozen of PS bricks for a TRA3255 amp . They did sound a bit harsh when 1st connected to the tang band w8-1772's in my oris horns, running from 175hz-7khz. Jan 2, 2021 · Aiyima A07 300 watt x2 would be using the elco at 1000µF x4 =4000µF, while this amp, rated 350 watt (only differ by 50 watt) but the elco is much higher at 6800x4 =27200 µF. Don't like what i'm hearing tho. Now i have a reasonable idea what the A07 can sound like if i were to put in better quality, more audiophile components into it. 5mm input are both pass through outputs when using the other one. com C. Feb 10, 2020 · aiyima a07 max Model : AIYIMA A07 MAX  Product name:A07 MAX TPA3255 Power Amplifier  Stereo Max Output Power(switch stereo mode)ï¼300Wx2 / 4Ωï¼48V/12Aï¼ Â Mono Max Output Power(switch mono mode)ï¼600W/ 2Ωï¼48V/12Aï¼ (R+ connect to speaker +, L+ connect to speaker -)  Working Voltageï¼DC24-48Vï¼5A or Mar 8, 2024 · Aiyima A07 Max Amplifier Review. Aiyima D05 Chips set: CM6642, TAS5508, TAS5352A, QCC3008, CS8422, WM8782. 5A power supply. The only advantage of AIYIMA and similar is a small dimension and low cost. output LC filter response into 4 and 8 ohm load. There are a few builds of the products named A04/A07. Thank you for the information. Apr 21, 2021 · The fundamental problem with the volume change rate of A07 you point out is the adoption of the wrong volume pot. Including all TPA3255 chips on the market, they cannot reach 300w*2. 5mm jack was reversed, but at that time it was completely ignored. 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 Dec 7, 2022 · 3. 0 2x130W 4 Ohm Red - Audiophonics. May 11, 2024 · Used DENON DRA-455 or new AIYIMA A07 & used TANNOY Mercury MX1 vs used Elac Debut Reference DBR62 for my small office Hello All, I was hoping someone could help me choose a configuration based on the equipment I could buy and the stuff I have access to already. Feb 3, 2021 · Aiyima a07 Gain? Thread starter Klint; Start date Jan 16, 2022; K. This prevents the accumulation of heat inside the case. " TPA3255 data sheet. From the pictures, it appears to be the same product as the Aiyima-branded one sold on AliExpress. Feb 12, 2022 · Aiyima recommends to the A07 a power supply with 48V/7. Their specs cannot be trusted, the same for rated power. With its D3 class D amplifier, O-Noorus offers a compact, powerful amplifier with the essentials. I kinda miss big speakers, using bookshelf speakers for so long, even with subwoofer, it's different from big speakers. As in, if you connect RCA inputs to the Aiyima, you can use the 3. Actually it is TAS5352A. Turn off-on sequence needed to make it running again. Jan 1, 2021 · Higher-impedance (8+Ohm) and louder (100+dB) would benefit from a higher voltage PS. It's not as loud as the A07. 21 with 48v, the order was placed November 27, glad that I paid with PayPal, and open a case at Aliexpress which communication was a painful thing using Google web. There is an indicator which lights up green when the unit is operational. Apr 12, 2018 · You do realize the IC specifications and the completed Aiyima product are two completely different things? TI use a 51V supply, THD at 10% and clearly a power supply that would cost multiples of the price of this Aiyima thing. My quote is from the documentation of the LMR16030, it is the main 12v step-down component used in the A07 Max, the maximum input voltage is 60V. 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 Jun 16, 2020 · 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. fr. 00 USD. The measurement was possible with shorter overload of 0. 2s. Tried to make a "reverse engineering" from the posted photos of AIYIMA A07. With almost any speaker, as a complex load, they exhibit rise at the top end of audio band and thus they sound britle in a level matched A/B test with a good amplifier with flat FR into speaker load. Location. #1,844. #39. But they settled down after being left on 24/7 for a couple days. One comes with the NE5532 op amp. Feb 23, 2019 · Synergy4 said: The Aiyima D05 has more functions and features, but maybe not as low distortion for some applications. This is a teardown of the AIYIMA A07 TPA3255 Class D Amplifier I just reviewed. 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. 2s, however it is not according to the standard. 32 V 6 A. the right channel was noticeably louder than the left. (Also have/love the DBR6 and BS41's, in case you're interested in the family. And now i understand why so many people are into modifying the A07, and why they're concentrating on changing certain components. 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. 5mm connector is Line Out, it is possible that one of the 5 OP amps serves for that line output. 5 mm² cross section, but yes, this cable really seems expensive for this set. I figured out that the potentiometer they use is linear, which explains my frustration. My A07 pro has a 20x40mm 50V 3300uf cap. Magnat Monitor Supreme 102 speaker (with AIYIMA A07 TPA3255) As I was unable to live with the sound of JBL Control1 Pro in my workshop, I have decided to buy a pair of Magnat Monitor Supreme 102 small speakers, which was available at about $85 in a local electronics shop, at the price lower than was the price of a single JBL Dec 9, 2019 · AudioArchitech said: Aiyima: "Currently, the op chip used on AIYIMA A04 & A07 is NE5532. After several listening experiences, with different amplifiers, by class and by brand, today, after having extensively tested various electronics, even in class D, I focus on the new amplifier from AIYIMA (Chinese manufacturer), which produced the D03. Jan 2, 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. My experience with Op amp rollings with A07 has been noticeably different, if the speakers used are of high resolution. People have preferences, I do. This store also offers a choice of two different op-amps. It still is active and fully supported, also for new designs. (The Sabaj is still on its way). One of them is a linear 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. 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. The A07 Pro features Bluetooth input and tone controls and adopts the TPA3255 amplifier chip. Although NE5532 performs well, many audiophiles still want to improve the sound quality by replacing the OP chip. Nov 2, 2020 · Active Member. Portland, Oregon. Back panel looks simplified: - RCA input. 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. It is the only basic TPA3255 amplifier with a traditional low-profile form-factor and internal power Jan 7, 2021 · AIYIMA A07 TPA3255 Amplifier Measurements LM4562 option I received my A07 yesterday, on January 6, 2021, shipped from Italy. The quality of the capacitor is very good. What else. All observations and opinions here are my own based on my experience with the product. The wire and plug are quite thin but okay, housing plastic is also cheap but okay. Also why the Aiyima advertising abt the A07 Pro singles out particular aspects of what they've improved on, and that those actually do make a Jan 1, 2021 · And it has very low input sensitivity and/or reduced power which many people already reported/complained about. Jan 1, 2021 · The TAS5352 amplifier IC is very old (current TAS5352 DS is 2007) and is NOT recommended for new designs. Thats gives about 2*150 watt at 4 ohms, 1 % distortion. No, the main problem is that the amp has too high gain, which is useless. 5mm Aux out is DEFINITELY NOT controlled by the front volume knob. (I’ve also been considering the MiniDSP FLEX with balanced 6. The TAS5352 amplifier IC is very old (current TAS5352 DS is 2007) and is NOT recommended for new designs. X. I listen at low "conversational" levels but find one speaker is louder than the other. de and as stated on their website, it arrived without a power supply. Nov 26, 2023 · The Aiyima A07 Max is an amazing amplifier, the Fosi V3 is an also amazing amplifier. Mar 4, 2023 #1,864 trungdtmc said: Jan 1, 2021 · Apr 10, 2021. So no need to worry about. DuncanTodd said: Just FYI, the Aiyima rep stated that they are working on a new versions of the A04 and A07 that will have an internal PSU and possibly take into consideration other improvements suggested by ASR members. Back panel looks simplified: - RCA input - AUX input/pre-out - better speaker terminals, looks bigger than usual ones used in similar amplifiers. A07 and almost another tpa3255 boards using old parament with componet of LC filter and Zobel network, addition A07 operating at 600khz, like tpa3251. I present to you the brand new Aiyima D03 Class D amplifier. Aiyima added PFFB for those A04 and noise is greatly reduced but with much lower input sensitivity. www. They're great in terms of sound quality and build quality for the price. #712. 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. AIYIMA D03. Jan 1, 2021 · O-NOORUS D3 Class D Amplifier TPA3255 Bluetooth 5. How good is the 2 Ohm Performance of the A07 MAX and can used a 2v RCA PreAmp ? The Powerhandling of the regular 3-Way Settig with 1x Low, are 150-200 Watt RMS @ 4 Ohm. The Topping PA5 has the capability of using both Balanced and Single ended inputs. A) (ti. Jan 1, 2021 · The aiyima has a "splitter". Except for power. #142. 5V input signal (from a 2V 0dBFS DAC), but then use the potentiometer at 12 o' clock. Joe Smith said: I still think the most likely culprit for the channel imbalance (and potentially the R channel distortion) is a faulty volume pot on the sample that was sent to Amir. Jan 1, 2021 · Jun 15, 2024. Later ones seem to have a green board, older ones have a black one. Joined Feb 3, 2021 Messages 113 Likes 47. 1 system, outputting signal for a center channel and/or a subwoofer. i plane change some thing and add post filter feed back here. However, my understanding is that the version Amir tested and Nov 26, 2023 · This Speaker-Set are 2 Ohm and i want a Amplifier for this. Feb 13, 2016 · 246,114. Jan 7, 2021 · AIYIMA A07 fails to pass the test and shuts down after 0. Feb 27, 2023 · I'm looking at Aiyima A07 and A3001. View attachment 152591. 5A SMPS is at the lower edge of what it takes to unleash that potential. I am testing the A07 with 2 different power supplies. 5A max. 35mm TRS outputs fwiw - but 2x4HD with RCA-outs is working fine for now. But, I'm not loving the 1. It was kindly purchased new by a member and drop shipped to me. Does anyone know a good affordable power supply for AIYIMA A07 amp? Jun 6, 2021 · Friends, I have come across a new Aiyima amplifier soon to be available. ) I do not use, nor need, either BT or USB on the power amp - I just need it for the power amp function. My Aiyima 07 amplifier works well with my 6 ohm Pioneer SP-BS22-LR speakers for my computer desktop setup with a cheap 48V 5A $22 brick PS. 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. But I preferred the function of the aiyima, so I bought them. Joined Aug 29, 2019 Messages 9,006 Jan 1, 2021 · Anyway, I found Sony speakers from an old Compo (vcd era) in my storage and pair it with Aiyima A07, and wow it sounds more powerful than my 6. At present, we have developed a more suitable 36V6A power supply, which can reach 6ohm/100w. The photos at both stores show the original, smaller gold heatsink. Checking the printed circuit board pattern of the new model A07 Pro, you can see that the wiring May 28, 2024 · Aiyima A07 Pro. Bummer 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. The power with such power supply is about 56 Watts/Chanel, with really low distortion in 8 ohm 20-20000 Hz , and about 100 Watts in 4 ohm. The packaging is extremely simple, but thorough. Jan 1, 2021 · 1,504. Some internal parts are different (like capacitors). 5mm input of AIYIMA A07 Max to the RCA output of the DAC and checked the R/L channels, and they were normal. I took delivery of another 32V 5A Aiyima A07 on January 19, 2023 from Amazon (USA) and the markings on the capacitors read 'Samwha' SD 2200 uF 50V 85 (degrees) C. 5mm as an out. 5mm, you can use the RCA's as outs. Seattle Area. Nov 24, 2022 · However my latest A07, direct from Aiyima had 50v but the uf was a bit higher. Nov 26, 2023 · I agree the fosi v3 looks nicer than the aiyima a07 max. Jan 1, 2021 · Jan 2, 2021. Feb 10, 2020 · Friends, I have come across a new Aiyima amplifier soon to be available. i bought one of these recently when on sale and just got a chance to test it. Like the low bass better in the A07 Pro. One of them is a linear regulated PSU with 30Vdc voltage and current 1. Musician and DIY builder Nov 26, 2023 · Dec 1, 2023. Received from Amazon yesterday. 5 inch bookshelf speakers. As can be seen the slew rate and bandwidth for any of the two op amps by far exceeds the spec required for 20KHz. Here's how the speakers look like. On the A07, it is indicated that the 3. Sep 11, 2021 · The OP275 has a available slew rate of 22 V/μs and a bandwidth up to 9 MHz. Frankly, the A07 can hold its own and takes up very little space. Wonder if they did similar tricks to newer A07 while they were fixing the 3. I use them with Rpi's and DAC's (hifi berry and a topping via USB) and also a turntable with built in pre amp in my main listening room. Assuming it is the most current version. 5mm connector can be both input and output. Dec 7, 2022. The price is $89. The 3. This is what powers the A07 that drives my main L+R Dec 5, 2018 · The power supply that follows Aiyima a07 is a 32 V 5 A unit. In such case, will the A3001 be good if I am to connect a powered subwoofer in the SUB OUT of the A3001 and the central channel speaker in the Apr 4, 2022 · It's a really wonderful, inexpensive setup. The same concept of balanced outputs/inputs. The new Aiyima a08 tpa3255 for 120 dollar has digital input and an inbuilt powersupply. Was also contemplating the E30, but heard the difference is night and day. May 23, 2023 · May 23, 2023. Jun 24, 2022 · The Audiophonics amp also has a front panel LED display. Nov 24, 2022 · According to Aiyima's scheme, that 3. Question was raised on the revision of the board and thermal characteristics of the unit so here we are. Useless as a sub out, basically. Nov 10, 2021 · 1. Mar 29, 2020 · Aug 11, 2021. 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. 3A 350W Power Board Amplifiers Switching Power Adapter. Jan 3, 2021. staticV3 Master Contributor. The A07's TPA3255 is a much better performer. Since the TPA3255 generally does not use Feedback around the output LC filter, some speakers with a complex load impedance can exhibit an odd frequency response. From the official Fosi store. 5mm to RCA cable. i think mebbe the E30 II doesn't get all that loud, and the AD827SQ/883Bs neither, so likely not driving the amp that hard. Featuresï¼1. 1 with my custom "perfectionist based" crossover, 3-way DSP and Subwoofer). . #81. com) Aliexpress has a lot of sellers selling the same products. Rubycon 50v 2200uf 105 ℃ produced in Japan is used as an electrolytic capacitor in the power circuit. Nov 26, 2023 · The input sensitivity of AIYIMA A07 Max is 1V. The A07 Pro heatsink gets quite a bit warmer with the 48V SMPS. This is what powers the A07 that drives my main L+R speakers -- I got mine for $25 USD via eBay. The amplifier can deliver 10 times more power during those short moments. amirm; Nov 26, 2023; Stereo and Multichannel Amplifier Reviews; 22 23 24. 8920 second yet may be preferred by different user. Or if you connect via 3. Jan 1, 2021 · Namely it is almost always 4 ohm. They said it will happen at the end of 2020: Jan 1, 2021 · 94. 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. TPA3255 based amplifier, probably upgrade to their A07 amplifier. Joined Dec 2, 2019 Messages 101 Likes 26 Location Canaduh. The NE5532 has a available slew rate of 9 V/μs and a bandwidth up to 10 MHz. 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. Power brick is 32V 5A, average quality. Most of the people use (knowing or unknowing) a 0. Feb 23, 2019 · Jan 29, 2021. " Then say: " OP275: Better resolution, low frequency and sound field than NE5532 ". Jan 8, 2022 · Location. Oct 19, 2023 · I couldn't understand the operation of AIYIMA A07 Max's monaural mode, so I looked into the TPA3255 data sheet in detail. 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 May 1, 2023 · In this review, I’m testing the AIYIMA A07 Pro Class-D stereo amplifier. I have seen ranges of 1000uf to 1200uf in this unit. Those capacitors are for decoupling and filtering high frequencies, so the reduction in Jan 1, 2021 · AIYIMA A07 TPA3255 Review (Amplifier) www. Purchased at Amazon. ) Really glad to hear this, because I was also thinking about pairing the E50 with the A07. Jan 1, 2021 · The 32v supply that comes with the A07 should be totally silent, even with your ear against the casing. Thank you!! Jan 1, 2021 · The TPA3255 amplifier chip is cooled using a management method of coating that uses the entire cooling houses. Same deal with the Aiyima A07 Max. Then for the maximum 8R spec they use a 53. Dec 14, 2022. Feb 27, 2020 · Maybe some member can later clarify, so far I found a hint #467 in the TPA3255 thread that Amir probably tested the revisited design. 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. 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. #70. I have a couple of Aiyima A07 amps in my house which in my main listening room and a second one in a bedroom. io they have checked the voltage of that amplifiers power supply and its 36 V 9,6 A . 5mm jack issue. 5 seconds or so. 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 Nov 26, 2023 · Amir also measured the cheaper AIYIMA A07 Pro in may with a similar design TPA3255 based too and measurements were better too. Aiyima's recommendation of a 48VDC 7. Disclaimer: This sample was provided by AIYIMA for an honest review. If you input the DAC's 2V output at this time, it will be completely saturated and distorted. com Reactions: eric00886. Nov 24, 2022 · AIYIMA A07 Pro. Bummer Nov 24, 2022 · AIYIMA A07 TPA3255 Amplifier Measurements LM4562 option I received my A07 yesterday, on January 6, 2021, shipped from Italy. we iu hs vb rv uv jl ib zz gr