Aiyima a07 op amp roll review

Aiyima a07 op amp roll review. I tested a few different op amps including the Oracle 02 which are decent but lack low end grunt, great vocals and highs though. This would also be a good competitive feature versus the Fosi V3, which I also did not attempt because of owner reports that it was pretty hard to get in to change the Op-Amps out. Alas, that is also where the problem is with this unit Jan 7, 2021 · AIYIMA A07 TPA3255 Amplifier Measurements LM4562 option I received my A07 yesterday, on January 6, 2021, shipped from Italy. Nov 26, 2023 · AIYIMA A07 Max Listening Tests. I thought I would do a quick review of my impressions after using it for a few weeks. cost was <$170 shipped. But they settled down after being left on 24/7 for a couple days. The DC seat uses all metal materials with fireproof flowers, which is safer to power on. It is valid just for the BTL circuit. I am testing the A07 with 2 different power supplies. But, a variable voltage 0-48V power supply, that'll be generally useful to me besides just plugging an amp into it. The brightness of the display display cannot be adjusted and the display cannot be turned off. Sweden. Nov 26, 2023 · It’s the engineering that counts. ly/3U6c4QZT9 Pro Amazon https://amzn. Aug 14, 2021 · 2,801. Sep 4, 2021 · Pleasantly surprised. Some op-amps if not correct for the amp circuit can cause oscillation and bad things can happen. 0 2x225W 4 Ohm - Audiophonics. 5cm wide x 4cm high and 637 grams in weight. Apr 5, 2023 · BTW, I have Aiyima A07 pro running with Elac Debut 6 Floorstands, haven't had any issues with it which made me think for another Aiyima product. As tested with 48v 10amp GaN supply, it costs US $220. I present to you the brand new Aiyima D03 Class D amplifier. to/3MDIIa5Fosi V3: h 이웃추가. Also tried with Acoustic Energy AE100 MK2 and Dali Oberon 1 with same results. Mar 28, 2024. Controls are easy: push the button for power up and again to cycle Jul 31, 2023 · I will also be rolling the op amps. The tiny amp powers those very inefficient speakers with authority ,good bass , clear top end, decent soundstage. This is a review and detailed measurements of AIYIMA A08 Pro stereo amplifier with Bluetooth support. ) My $ 0. The unit , according to the advertised output, is on SE. Find helpful customer reviews and review ratings for AIYIMA A07 MAX 2 Channel Amplifier Home Audio 300W+300W TPA3255 Class D Power Amp Bridgeable Mono Stereo Amplifier 600 Watt with 3. 얼마전 이 회사 제품의 다른 모델도 검토 한적이 있었는데. 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. Impedance: 4-8 Ohm. DC seat interface 5. Aug 16, 2021. de and as stated on their website, it arrived without a power supply. However, my understanding is that the version Amir tested and Nov 26, 2023 · Japan. When turn volume way up i can hear distortions and have shutdowns here and there. 5mm connector is Line Out, it is possible that one of the 5 OP amps serves for that line output. I like reducing noise in house wires. Most of the people use (knowing or unknowing) a 0. And as of this shipping, it also included a 32 volt, 5 Oct 2, 2021 · In the case of my two Aiyima a04 and switching between ne5532 amp to lm4562 amplifier, the difference soundwise is clearly bigger than moving your head 30 cm in the listening room. I am not sure why it is on Kickstarter to launch, but I backed it since I was hunting for a simple amp. 5 bits by a bad power supply sold with AIYIMA A07 TPA3255 amp. i've been looking at various single voltage SMPS modules on aliexpress, 45V-48V, 350W-600W. I have a YouTube channel where I post reviews of amplifiers and other audio components. 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 14, 2023 · FOSI AUDIO BT20A PRO Class D Amplifier TPA3255 Bluetooth 5. All aluminum chassis thats well screwed together. ” It’s at $130-135 on AliExpress and Aiyima store. However, that said Aiyima has never quite revealed what they have these two op-amp sockets designed to do. I think this one from Aiyima just might be a nice suprise… Sep 28, 2023 · Replaceable Op-Amp Chips:OPA2604AP, OPA2134, MUSEO1/02/03, LME49720NA, LM4562, AD827AQ, etc AUX OUT: active subwoofer or power amplifier 3. It is the only basic TPA3255 amplifier with a traditional low-profile form-factor and internal power supply that I am aware of. I think this one from Aiyima just might be a nice suprise… Jan 2, 2021 · However, few dB, so still far from NC400 e. 2cm deep and are made of metal. amirm said: This is a review and detailed measurements of the Aiyima A07 Max stereo class D amplifier. However, upon further research, the 100 watt rating is for 4 ohm speakers and if you are powering a set of 8 ohm speakers, the rating drops to 50 watts per channel. Amplifier chip: TPA3255. Nov 26, 2023 · This is exactly what happens with those peaks which occur during 0. 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. The competition is really high now with SMSL, Fosi, Aiyima, others are working the same space Jan 1, 2021 · (And to be able to roll op amps with this AO7 - which I’ve never tried before - is all the better. Though op-amp rolling is fun to tinker around with, I have an easy 2 dozen op-amps in my collection each of which holds it's rightful May 14, 2022 · This is a review and detailed measurements of the AIYIMA A07 desktop amplifier based on TPA3255 class D amplifier chip. The TAS5352 amplifier IC is very old (current TAS5352 DS is 2007) and is NOT recommended for new designs. Aiyima D05 Chips set: CM6642, TAS5508, TAS5352A, QCC3008, CS8422, WM8782. none of the amps seem to meet the mfr's specs, but the aiyima seems to fall short the most. This, IMO, might touch the audibility level (edit - regardless the PFFB). ———-. Nov 7, 2022 · And put an amp behind each speaker so that the speaker cables are short. Apr 18, 2023 · Dimensions of the AIYIMA A07 PRO amplifier are 19cm deep x 11. The uppgrade to lm4562 is a no-brainer if youre interested in hifi, and clearly worth 5 dollars . BlackLion said: According to Amir, dynamic range of TPA3255 amp is limited to 14. When the op amp drives its output load, the current drawn from the supply will generate a voltage across any series inductance in the supply lead. Aug 31, 2023 · Although, I could see the “all in one” appeal for non-critical listening, or as a desktop amp. Sep 28, 2023 · Temporarily have Fosi V3 with stock OP amps, he sounds a little warmer than 07 Max, also when putting the volume knob on at 10 o`clock aiyima has a disbalance in channels Fosi doesn't have it, also when turning off the amplifier knob on Fosi click differently than aiyima I think is 100% different potentiometers is used. Mar 6, 2021 · Finding a low cost, small and high performance amplifier has been an impossible mission until recently. Last edited: Mar 15, 2024. Nov 24, 2022 · Jan 31, 2023. AIYIMA D03. That was at 4 ohms, so it goes down by 1/2 into 8 ohms. 1-channel Class D amplifier featuring quality components. Power Supply 24V 4. Nov 5, 2023 · Aiyima A07MAX - An outstanding Amplifier for the price. Included PSU (only some regions). There are great class AB (eg Benchmark AHB2) and great class D (eg NC or Hypex etc based amps reviewed here) and of course badly engineered ones of each class. I connected the A07 Max, don't laugh, to my $23,000 Revel Salon 2 speakers as requested by a member. 7 dB re 150W/4ohm. The Fosi Audio BT10A PRO is a small, compact and powerful Class D amplifier, offered at a resonnable price. Feb 3, 2024 · There are many reviews of audio hardware and expert members to help decoupling/bypass & signal path capacitors for op-amps (NE5532 in Aiyima A07 vs Dec 20, 2022 · Yeah, I wish Aiyima would offer a truly improved version of the A07 with higher-quality caps, better heat separation via a larger case, improved Op-amps, integral power (like the SMSL AO100), subwoofer outputs and ventilation holes in the case. ). audio2design said: Closer to 12db the other was the AP loopback. As you see, the A70 comes in vertical desktop configuration. 5A max. i also bought four akliam lc2 discrete class-a op amps; cost was $60 shipped. Jul 31, 2023 · I will also be rolling the op amps. The A07MAX is Aiyima’s latest class D amplifier based on the TPA-3255 chipset. I use 2 Sparkos SS3602 in my A07. 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. #181. It was sent to me by the company and costs US $177. You may want a 40V or 50V power supply for each one, if you are cranking up the volume. conradj said: Wow, that's nice. The knobs include a volume knob and two tone controls to adjust the decibel level of the bass volume (12dB/-12dB) and treble volume (-9dB/+9dB). Fosi Audio is releasing their new V3 amp. Jan 1, 2021 · Aiyima is currently selling two A07 versions. to/3nLQl4PSupport the Channel by Shopping on Amazon https://amzn. Functionality it is like the Aiyima A07. You won't get the staccato to fit without modifying the case. base, and see how it sell. pma said: I am posting a simulation of the frequency response of the LC filter as shown in the TPA3255 TI datasheet. View attachment 354921. 0 channels/Stereo. Maximum output power: 80W * 2 (4Ω load) Speaker impedance: 4-8Ω (left and right channels) Signal to Noise Ratio: ≥100db. The fx audio tda chip amplifier was noticeabley noisier, hissed more, and started to sound distorted at a lower volume. Aug 11, 2021 · As a point to be worried about D03. The brightness of the blue display can be annoying when connected to a TV. SNR:110db. output LC filter response into 4 and 8 ohm load. I particularly don't like devices that have double up on op-amps input and driver. Feb 19, 2024 · Been looking at some of the recent class-D wonder-amps (fosi, aiyima, smsl, topping, etc) and noticed that the 2 main "tweeks" are 1. There were no noticeable power on or power off pops. The T9 includes one set of speaker connectors allowing you to Texas Instruments TPA3255, digital audio amplifier BTL bridge power output 300W * 2 channel design, THD less than 0. 5mm AUX OUT as output connect to next amplifier without volume control >>>> So, no volume control to AUX/Pre out THD：0. In this review, you will find out if it’s their best yet. Notes: I'm using it with a pair of Cambridge Audio SX50 speakers Music played from my PC through a DAC No measurement equipment is used, so these are just my personal impressions Nov 26, 2023 · aiyima a07 max, ratings: aiyima a07 max, asr measured, in stereo: measured in mono: per mfr's specs, the a07 max seems to have the edge. Its more fun to listen to the music. DAC Chip = ES9018K2M, same as Topping D10 but don't know the rest Tubes = came with Jan 5725, tubes have GE logo Amplification = TPA3250 Inputs = Optical, Coaxial, USB, Bluetooth (5. This is a review and detailed measurements of the AIYIMA A07 Pro stereo amplifier. 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". Jul 1, 2022 · The Aiyima T9 is a class D tube amplifier that boasts 100 watts of power. Tried to make a "reverse engineering" from the posted photos of AIYIMA A07. It's a nice pairing, they play very well together. May 20, 2023 · Seattle Area. Without instructions. Read honest and unbiased product reviews from our users. Distortion: <0. The measurements of Aiyima a07 tpa3255 is better than Behringer A800. to better cool this little amp like we see on single board computer forums like the Raspberry Pi. 7's with a Conrad Johnson SS amp that is about twice as powerful (into 4 ohms) than the V3 but certainly no lack of drive with the Fosi. fr. Features：1. Nov 1, 2022 · Nov 1, 2022. The BRZHIFI has a pair of opa1622 in there and they sound great, super clear, excellent instrument separation and well defined in all frequencies. #24. Nov 22, 2023 · After spending well over 600 listening hours with the Aiyima A07 MAX, the Scientific Audiophile reviews the overall listening and user experience. Mar 5, 2023 · Products from Topping and Icepower have options ranging from nearly 4x-10x the power for similar price with confirmed 3rd party measurements. The model name is a bit confusing but oh well. It incorporates a TI TPA3255 amplifier chip combined with two NE5532 AOPs for an output power of up to 2x 185W at 4 ohms. Nov 1, 2022 · Aiyima A08 Pro Claiming 300Wx2, it is housed in a compact metal case which is quite cool and sturdy. to/40xO4tbOthers Shown:Mini Audio Rack: https://amzn. Aug 11, 2021 · Aug 11, 2021. Mar 8, 2024 · Mar 9, 2024. Nov 26, 2023 · Yes, when I checked the second A07 Max that arrived from AliExpress's AIYIMA Store yesterday, it had been changed to a 63V 2200uF capacitor. com. Thank you for the information. 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. Hello everybody, I'm new to the forum. 7V based in info from Audiophonics, if I remember correctly), if the DAC/pre-amp could be fixed Nov 26, 2023 · Aiyima A07 Max Amplifier Review. I think 50V gives ~300W, and the 20-something V power supply gives 100-something watts. The white frame of the push button on the front panel and the feel when the push button is pressed feels cheap. Nov 1, 2022 · Yeah, I'm also interested in Aiyima T9 Pro subjective opinions and comparing sound overall/general to other op-amp/no-tube vs tube-buffer chip amps. Op-amps swap. As everyone can see - lm4562 measurements with a07 is better , but not much. #58. In the future, please adopt 63V withstand voltage for the capacitors of amplifier products that operate at 48V. Number of channels: 2. Mar 28, 2024 · Italy. 9dBV (24kHz), which would make S/N 87. I will provide some measurements, but also lots of details on the features and some comparions so hopefully by the end of the review you will have a Feb 16, 2022 · This is a review and detailed measurements of the AIYIMA A300 stereo amplifier with balanced and Bluetooth inputs. I normally power the 1. Compariso Nov 15, 2023 · 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 (specially bass) in my setup/room with ZA3 while A07 Max and Topping PA7 don't. 67kHz and CCIF. Ask An Expert. Product description: Power amplifier chip: Infineon MA12070. 99. Jan 7, 2021 · The best op-amp is no op-amp is my ultimate belief. Oct 30, 2023 · This is a review and detailed measurements of the AIYIMA A07 Pro stereo amplifier. amirm Founder/Admin. Except for power. Last edited: Jan 4, 2021. 1), and RCA Build quality - What can I say, its a $50 desktop amplifier. Recommended power supply： DC48V 7. I thought the power supply advice seemed logical and was pretty universal, both on audio (expert) discussions and in buyer (laymen) reviews. There is no decoupling between the caps and external supply so quite possible. Jan 7, 2021 · You better spend your money on a tube preamplifier because people say tube changes sound. Find helpful customer reviews and review ratings for AIYIMA A07 TPA3255 Power Amplifier 300Wx2 HiFi Class D Stereo Digital Audio Amp Mini 2 Channel Amplifier for Passive Speaker Desktop Bookshelf Home Theater System with DC 32V Power Adapter (A07) at Amazon. This is the first. Nothing else to distract you. 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. #45. 50% on the Aiyima hits 85dB at 9’ away, compared to 90% on the v385 only measuring at 77dB. Another one to add to Aiyima’s list of: “let’s add another variant around this same TPA3255 amp. The compact size should fit on desks well. Controls are simplicity in themselves: push in the volume control to select input (RCA or Bluetooth/USB). DC24-18V power supply. The AIYIMA A07 TPA3255 as a budget option costs 1/4th the price and has 5x the power. Nov 26, 2023 · I agree the fosi v3 looks nicer than the aiyima a07 max. We know that both A07 max and ZA3 have input sensitivity lower than 1V (ZA3 is probably around 0. All connection terminals are solid and feel of decent quality. It was sent to me by the company and costs US $139. As you see the distinguishing factor from some of the other Aiyima amplifiers is inclusion of tone controls. Cons: Basic package. Oct 5, 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. so, i opened them up to install the op amps. #268. One comes with the NE5532 op amp. 007% SNR：≥110dB Input sensitivity：1V >>>> Should it not be around 2V? Nov 26, 2023 · Aiyima probably did hurry development a bit for the MAX once they saw the attention being paid to the Fosi V3. Jan 1, 2021 · Aiyima A07 45€ (Used) SMSL SU-1 80€ CD Transport 35€ (Used) Mission LX2 MKII 200€. to/3W8vsgK Cheap Audio Man St Nov 24, 2023 · With LM4562, the noise was -74. Having the mono switch on there as an option gave it a nice feature bump. 5mm connector can be both input and output. I decided to start making videos in English. I am thinking about pair of AIYIMA A07 Max in mono mode with 48V/5A PSU pair to replace A07 Pro. Jan 1, 2021 · Synergy4 said: The Aiyima D05 has more functions and features, but maybe not as low distortion for some applications. My 08 Pro has way more power. Cheers Nov 15, 2023 · Ideally I would like to max out the amplifier volume position in relation to matching the input sensitivity of both power amp and DAC/pre-amplifier. Dec 31, 2023. Both can be identified by Amir’s reviews. The test result confirms my own impressions of this even more since an Aiyima ao7 i bought 4 months ago sounded cleaner than a fx audio tda7948e amplifiers i owned a year before the aiyima amp. 03% when working continuously. 오늘은 오랜만에 중국산 오디오 앰프를 하나 소개해드리겠습니다. May 20, 2023. Nov 26, 2023 · The amp will go into themal shutdown before you can get the best out of it. But I preferred the function of the aiyima, so I bought them. The sub cutoff frequency looks like it was designed to work in a sound bar configuration, with tiny main speakers. i'm wondering if the example asr reviewed was not up to snuff. 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. Trust the measurements and not the prices. It is the review with measurements of the AIYIMA A07 MAX. 5A Power Supply. 5mm Line Output for Passive Bookshelf Desktop Speakers+Power Adapter at Amazon. The TPA3255 has four amplification modules that can be run in SE ( up to 4 channel), BTL ( bridged stereo) and PBTL (mono). The other, a bit more expensive, comes with the LM4562NA op amp. Alas, that is also where the problem 7. Loudspeakers was my Jan 1, 2021 · 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. The document also shows detailed distortion measurements and the TPA3255 behaviour is weird at 6. Clear sound and bass with body. It was sent to me by the company and costs US $190 with 48v @ 5 amp supply. Jul 19, 2023 · I did som OP rolling yesterday with my Aiyima a04 tpa3251 powered by a medical grade powersupply from meanwell 30V 6A. You just need 2 dip risers. Gets very satisfyingly loud in my smaller workroom with volume in about 10 o'clock spot on both units. It was sent to me by the company and costs about US $160. All good. I'm not one to usually writes reviews unless that product really draws my attention, Mar 8, 2024 · This is a review and detailed measurements of the AIYIMA A70 stereo class D amplifier. 8. 설계 결함인지 뭔지는 잘 모르겠으나 PCB 기판을 급하게 수정한 Nov 26, 2023 · For very small DJ gigs, I now use AIYIMA A07 Pro with 36V/6A PSU coupled with Behringer PK108 pair [8 ohm 320 w max (peak) power]. Amp with RCA in, sub out, volume and power switch. It is even smaller than my reference amp, the iconic 47 Lab Gaincard. Espatial sound and deeper soundstage. Could it be bettered soundwise ? Source was a Yamaha wxc50 using Apple Music with airplay. oversimplification always leads to false conclusions. 바로 Aiyima사의 A07 Max 라는 Class D 300w급 미니 앰프인데요. and maybe it had the 50v caps instead of the later 63v Nov 26, 2023 · Nov 27, 2023. On BTL, 51V it is over 200Wpc at 1% distortion. Staff Member. ) roll the op-amps and 2. CD player, streamers etc. #142. Though I must admit to not being familiar at all with any aiyima amplifiers. Aiyima T9 Pro https://bit. 5MM. It was kindly drop shipped to me by a member and costs about $90. I must say, I was not remotely prepared for what I heard. 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). Nov 15, 2023 · well, since i last posted, i ended up buying two aiyima a07 max amps w/the 48v/5a power supplies. The plug in for the power adapter is very snug (in a good way) and the power switch and volume knobs have a quality feel to them. Constant across signal level suggesting purely noise or poorer PSRR. It was kindly purchased new by a member and drop shipped to me. Oct 2, 2021 · Oct 2, 2021. 5A. So no need to worry about. 5 seconds or so. Results can often be unintuitive and surprising. Feb 14, 2022 · Introducing Aiyima A8 - Mini Class D Amplifier. 5mm DC coaxial power plug- something that would just never happen. Not include the ideals op-amps. . The knobs on front measure 1. As for your audio chain: The Topping in there is strange. 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. This little amp with its 36 volt/6amp power supply had no trouble driving the Revels to incredible dynamics! Sep 28, 2023 · Most experienced EE folks say to leave the stock 5532s alone. #1. 5V input signal (from a 2V 0dBFS DAC), but then use the potentiometer at 12 o' clock. www. Pretty sure at this point that upping the PS voltage from 36V will let the A07 Pro Aug 5, 2021 · The best quality-price speaker amp Pros: Price. I swapped for 4562s in my Aiyima A04 and A07 amps just to be sure the parts were genuine (Fosi has shown good documentation for the V3 that they are using real 5532s). g. 02. audiophonics. Sep 8, 2022 · This is a review and detailed measurements of the AIYIMA A200 stereo amplifier with USB DAC and Bluetooth. The input sensitivity of AIYIMA A07 Max is 1V. Not like they tried to explain with the A07 Pro they just release that has 5 op-amp sockets. It was sent to me by the company and sells for (I think) $85 with the included power supply: View attachment 329649. 4V. Thread starter amirm; Start date Nov 26, 2023; OP . It's a poor implementation and not representative of what may happen in a proper circuit. don't expect anything (pre conceived ideas) is always the best way to audition audio equipment. The T9 uses an NE5532 chip for output power. The central depression can serve as an air duct if you stack something on top, but is designed to seat the vertically deployed "companion" T8 Preamp. Just for manufacturer information. Frankly, I’m surprised there isnt a separate thread on op amps for the 07 or mods for the case for fans, drilling the case etc. I would however say that the sound differences are bigger than what those measurements show, with advantage lm4562. 5*2. Dynamic range can be expanded beyond 16 bits by pairing it with a better power supply. Nov 26, 2023 · While the channel imbalance surely isnt the best sign, you got to point out that the amp actually seems to perform better in the thd departement than its official spec suggests (0. 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. All gave good sound and satisfactory volume levels. Apr 26, 2023. On the A07, it is indicated that the 3. #3. The OP amp is powered by a ±12V dual power supply, and the performance of the op amp will be more fully utilized, with better dynamics, and more details at the same time. CFO (Chief Fun Officer) Joined Feb 13 Mar 8, 2024 · AIYIMA's A70 is a 2. Sep 28, 2023 · If Aiyima markets the MAX as having replaceable Op-Amps, it should be easier to change those out, as was true for the original A07 and A04 amps, which was very easy. One of them is a linear regulated PSU with 30Vdc voltage and current 1. Better bass response and not as sharp high end than the Aiyima. Mar 8, 2024 · This is a review and detailed measurements of the AIYIMA A70 stereo class D amplifier. I just have to be careful with the two volume knobs in play. 1 (when outputting 1W) Input sensitivity: 1. Output power: 300W+300W. They did sound a bit harsh when 1st connected to the tang band w8-1772's in my oris horns, running from 175hz-7khz. My current choice hovers between the the opa2604, Muses 8920, 8820 and the opa1622. Jan 1, 2021 · Currently using the A07 with 32v/5a Aiyima power supply, newly mated with a restored NAD 1020 preamplifier. There are now amplifiers based on a new chip from Te Apr 29, 2024 · Long-time listener, first-time caller Been looking at some of the recent class-D wonder-amps (fosi, aiyima, smsl, topping, etc) and noticed that the 2 main "tweeks" are 1. This means that when the volume level is set to MAX, the rated maximum output is reached with an input of 1V. to/3ssG3t3WiiM Pro Plus: https://amzn. I used my two identical Aiyimas a04 - the reference had lm4562. If you like the video I recommend you subscribe to the channel. Location. Spend maybe $200 more can you are in the territory of nCore based amps with much more power. The amplifier can deliver 10 times more power during those short moments. Apr 26, 2023 · 43. Would even pay up to 30-50% more to avoid any risk of rma. Its amplification stage uses a TI TPA3255 chip, capable of developing a power of 2x300W under 4Ω with a high efficiency. 9 dB re 5W/4ohm and 102. Nov 24, 2022 · The LM4562 A07 does work really well if you feed it with a good preamp like the Aiyima T6 Pro which also is flexible when it comes to op amps. If you input the DAC's 2V output at this time, it will be completely saturated and distorted. This is entirely wrong . I continue to promote these in all my comments as good amps for medium volume applications, with power in the 30 - 40v range. I thought the power supply advice seemed logical and was pretty I recently got an AIYIMA A05 amp for a small room setup. Nov 24, 2022 · According to Aiyima's scheme, that 3. Howdy, Audiophiles! My full written review on AIYIMA D03 Speaker Amplifier is live now!! If you're looking for a super powerful stereo amp with integrated DAC and Bluetooth, and a mini size, efficient class D amp, all made affordable, this should be perfect for you! Nov 24, 2022 · AIYIMA A07 Pro. Size:151*100*33MM. Would be more useful if it had standard tone controls on the pre-amp. i received everything on 5 feb; ran them for a few days, and i was delighted w/what i heard. Feb 3, 2024 · It is located close to the op amp to minimize the PC board inductance in series with the op amp supply, to avoid an unintentional feedback path in the op amp due to inductive voltage drop on the supply. The cost is US $72 on Amazon including prime shipping. Checking the printed circuit board pattern of the new model A07 Pro, you can see that the wiring Nov 12, 2023 · 📌 Get the Aiyima A07 Max here: https://amzn. If LM4562 reduces noise leaking into house wires significantly, I may consider it a worthy investment. Purchased at Amazon. 007%) Yes probably good enough for me. ) get the 48V power supply. Jan 2, 2021 · Jan 3, 2021. Nov 15, 2023 · 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 (specially bass) in my setup/room with ZA3 while A07 Max and Topping PA7 don't. tg mk rq ps kk yv dm ft ze jh