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Opa1656 vs ne5532 reddit
Opa1656 vs ne5532 reddit. Jul 4, 2009 · What I am scared of is instability, I'm not sure if the P2 has bypass caps for the NE5532, and not exactly sure how bypass caps work with dip-8 sockets. So now I'm more confused. My guess is that you won’t notice a difference. Jul 11, 2022 · Found a few interesting opamps on TI website: OPA1612 - bipolar input transistors, 0. Nov 30, 2021 · OPA2134: OPA2134 VS OPA1656. May 23, 2018 · Opa1656 and opa1612 without tweaking have better performance than almost any discrete solution. depends on the amp your using fosi makes a ton , assuming its the TB10D (upgraded version) with a tpa3255 it will just give you headroom that most people wont need. It's a jack of all trades so to speak, and this is the op-amp I was able to compare and contrast the V6 Classic to. Two cases were evalutated – in a Talking about AIYIMA A07, it will end up in a dustbin soon. com and all are unity gain stable. 25 V to ±18 V (4. Aug 22, 2007 · I have a Tektronix SG-505 Ultra low distortion oscillator, its based on either NE5534 or NE5532 chips can't remember exactly which one, anyway, many years ago when the LME series came out, I thought that if I used an LME49720 or LME49710 instead of the NE553x I would be able to get even lower distortion, I was wrong. BTW you have now 2 reasons NOT to use LM4562 :) (as do the NE5532 and NE5534). Jun 3, 2021 · My benchmark standard op-amp is the OPA1656 which is not the widest sounding, but it's tight, somewhat linear and has a good balance to the sound. 5 V to 36 V) on 3. 一个意外的结果是、ne5532在第一级中的使用有多安静、在第一级中肯定比 lm4562安静得多。 这可能是由于与 lm4562相比、ne5532中的电流噪声明显降低。 opa1656作为 u1、 lm4562作为 u2的组合提供 了最低的测量噪声、但当 lm4562替换为 ne5532时、可闻差异可以忽略不计。 Mar 17, 2019 · I measured again the noise of OPA1656 vs OPA1642. No regrets with this amp whatsoever after rolling. Reddit . 5). Maybe try the OPA2604, designer Thorsten Loesch of AMR fame regards that one as good, unless you move to singles on an adapter board using something like the OPA627. 4V. I think I used TL072 in my KOT clone. The op amp offers a temperature range of -40°C to +125°C and is available in an 8-pin SOIC package. OPA1656 Mar 17, 2019 · So to put 1 in a baggie exactly like the OPA1656 , they charge 15,69 $ !! , to put 10 in a baggie : 130 $ !!! TI does all the work and Mouser leaches more profit off from it. 5amp psu and opamps rolled from NE5532(people say they are fake anyways) to OPA1656. Not targeting Mouser here , most of the others are worse. Use a socket and try a few out. Sep 27, 2019 · The OPA1656 operates over an ultra-wide supply range of ±2. Dec 11, 2019 · Normally you'd regularily search in the manufacturers new product listings first for any new interesting products. The OPA1656 is the industry’s lowest voltage noise high voltage CMOS on the market. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety Apr 17, 2021 · I will show the difference between the OPA2604 vs the NE5532 OpAmp. The low voltage noise combined with the low current noise make this device great for low and high impedance applications such as a high gain microphone pre-amplifier. Others have mentioned a few good ones (I haven't seen the NE5532 yet, which is an excellent choice given it's low price). Jan 28, 2018 · I had the chance to gather up a selection of opamps from my parts bin, including BB OPA2604, OPA637, AD823, LME49860, JR4556, Muses8820 and 8920, and compare them against each other along with a Burson V6 Classic (thanks to them for sending me an evaluation). Also, is CMOS opa1656 bad for headphone amp? Heard that opa1612 might be better for opa1655 , opa1656 SBOS901C – MARCH 2019 – REVISED SEPTEMBER 2022 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, This subreddit is for the budget minded audiophile that wants to grow out of soundbars, boomboxes, mini systems, portable bluetooth, lifestyle speakers, and PC peripheral branded audio solutions. the ne5532 looks a bit harder, narrower and more direct, the other two a bit more relaxed and Jul 26, 2020 · I agree with you, OPA1612 is really good regarding details resolution, OPA1656 has the best of both world : ultra high definition regarding micro details and very neutral but still warm. Its high slew rate and wide bandwidth make it a go-to choice for audio processing Mar 14, 2010 · Tubey, better late than never - I just replaced all NE5532 amps in Benchmark DAC1 with OPA1612 and play it so far for few hours. Take a look at this figure from its datasheet. 9 mA of supply current to accommodate the power supply constraints of many types of audio products. 5 Aug 26, 2020 · A pair of *genuine* OPA1656's is the consummate and necessary upgrade for it's stock NE5532 opamps. That seemed like a reasonable target for the supply current of the OPA1656 as well. but the difference between opa2604 and LME49720 is much smaller than the difference between these two compared to the original ne5532. I would not expect rolling $10 worth of OpAmps to be significantly different. Feb 11, 2021 · Even AD797 or OP627 cant hold a candle vs OPA1612 in terms of SQ - the difference is HUGE! My preamp sounds best with OPA1612 for gain and OPA2192 as buffer. Step into the world of audio alchemy, and the NE5532 is your potion master. ) I did a test, for example, with upgrading a CS4398 DAC from NE5532 to LM4562NA and then OPA2134. A quick snapshot of the OPA1656 performance specs: Jan 7, 2021 · So considering NE5532, LM4562 and OPA2134, OPA2134 gives best measured results in AIYIMA A07. Mar 17, 2019 · The OPA1641 would be slightly better. 00003 THD, Voffset = 1mV - I'm thinking to use this one for servo. Or check it out in the app stores The es9023p is a dac chip while the ne5532 is an amp chip Mar 17, 2019 · OPA1656 rolling I tried in all cases to bypass the rails with a 0. Dec 10, 2021 · Is the OPA1656 the correct opamp to use? It is a dual Op-Amp package like the NE5532 with mostly the same ratings. The FET-input architecture achieves a low 2. 4Vp-p output. But the take-away from the above mini-discussion is that you can employ a custom, linear, no-feedback, ultra-low-noise JFET gain stage in front of whatever you hope to achieve with the op amps. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety Op amps are super cheap. It's not very good in applications which require a high input impedance, where a J-FET input op-amp is pretty much essential, although I suppose one could add a discrete J-FET input stage to the NE5532, for those applications. This is likely due to significantly lower current noise in the NE5532 compared to the LM4562. If I had Audioengines to mod, I would likely try LM6172 dual opamps instead, which sound great, better than NE5532 or OPA2604 Oct 10, 2020 · In the case of Aiyima a04 ( I have two of them ) it is very clear that the sound quality gets better with LM 4562 instead of NE5532. 1F X7R on the backside with the shortest possible lead length. OPA1656 1/2 OPA1656 Input Output Pad Product Folder Order Now Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. The NE5532 is used everywhere as its sound profile is designed to catch people's attention. Two schematics in parallel and eight in parallel for both 1656 and 1642 were measured. Why the big difference in my amplifier and NO difference in the summing circuit?I The audio amp, by the way, is a AIYAMA A04 which had a TPA3251 power stage, one NE5532 preamp per channel, and it's running on 32 volts. So put 10 x OPA1656 in a bag to send costs 16,76 $ , to put 10 x OPA627 in a bag to send costs 130 $ . Local suppliers have a disappointingly low variety of products (my local mail order supplier has a grand total of 3 instrumentation opamps designed more recently than 1990) or operate on RadioShack prices (a dollar for a 2N2222 and the like) and I am in a great position because there is an Dec 5, 2023 · NE5532 vs TL072: Applications NE5532. I used 10 or 12 in my preamp rolling project - never a problem with The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. OPA1612 is fuller sounding - especially lower midrange but also more dynamic. Eric Mo Intellectual 775 points Part Number: OPA2134 Other Parts Discussed in Thread: OPA1656, OPA134. (Digidesign and E-MU. Hi Team, My customer wants to May 13, 2015 · NE5532 is dual channel opamp, so you can try few of these: opa2134, LM4562, opa1642, opa1656 without burning too much money on rolling opmaps. Measured at non-inverting gain 40dB and 3. I'm also ordering OPA2134 opamps to replace the NE5532's that are stock. i have a a07(tpa3255 also) with 48v 7. The OP1656 is the exact opposite, while still being detailed. Thanks in Feb 11, 2021 · OPA1656 really is excellent. Get the Reddit app Scan this QR code to download the app now. 000015% THD, even lower than LM4562 OPA1656 - FET input transistors, 0. Dry, crisp, analytical and non-intrusive (as compared to the bold NE5532) is what I would describe this opamp as. Apr 16, 2011 · The NE5532 should and can sound very transparent when used correctly and in the right applications, however, I read an interesting article on the 5532 and how its bjt input stage can give rise to odd distortion products when used at the output of DAC's due to the residual HF hash causing non linearities. This video title is; 2Which OpAmp is Better for 20W Class A Amplifier - OPA2604 vs NE553 Apr 6, 2020 · NE5532 is easy to beat subjectively, and measurably. It offers exceptional performance in almost any audio application. 000. Facebook Twitter Reddit Pinterest Tumblr WhatsApp opa1655 , opa1656 SBOS901C – MARCH 2019 – REVISED SEPTEMBER 2022 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, Is OP Amp swapping the key to better sound quality or a complete waste of time?Op Amps: https://fosiaudioshop. 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. Dual customzied solution will give unmeasurable distortion (possibly -180db). the differences aren't huge, but big enough to make a change worthwhile. It is a simple bipolar PS using a 20V zener reference and voltage follower (schematic below). And it is a JFET opamp, which is always preferred by myself in the positions where slightly higher voltage noise of the opamp is negligible, like here. The A07 now gives a very pleasing, laid back and an analog, almost vinyl-like sound quality to the music! Bass performance is also quite noticeably improved as well. Drop-In replacement as far as a quick glance at their datasheets goes. And what about low voltage applications? We would like to show you a description here but the site won’t allow us. Someone on amazon reviews have posted a picture of internals of the opamp section of the P2, if that helps. in order to resurrect those signals the preamp applies a maximum gain of 1000 b/c the basic mid-band gain must be ~ x100. Mar 17, 2019 · And I would bet that the amplitude of each step is too small to actually reach the slew rate of the amplifier. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety Feb 23, 2019 · This is a set of measurements of 19+20kHz IMD distortion of the following opamps: AD4627, ADA4898, AD8597, OPA140, OPA141, OPA1641, OPA209, OPA1611, OPA637, NE5534. May 9, 2023 · Hello together, i want to put one of the mentioned OP Amps in my amp. To check if they will match the previous ones that were made with balanced 10x paralleled op-amps. There are additional poles and zeroes in its frequency response, which introduce additional lumpity bumpity behaviors in the gain-vs-frequency and phase-vs-frequency plots. Instead of asking for the good opamp, I think it's better to ask for opamps specs that are important in audio. just going by specs it should be better but i dont hear much, its def louder tho so if thats what you want And a couple of NE5532. OPA2134 measured the best. com/products/op-amp-chip-muses02-opa2604ap-opa2 Nov 26, 2017 · thanks for your tips! i have tested the opa2604 and the LME49720 compared to the ne5532. When we developed the OPA1656, this was also a major design target for us, and the designer and myself spent quite awhile in the lab with previous CMOS audio op amps (specifically OPA1652 and OPA1688) hunting for sources of input capacitance variation. It's a killer OpAmp, and better suited to non-inverting buffer duties than the OPA1612/2211 This subreddit is for the budget minded audiophile that wants to grow out of soundbars, boomboxes, mini systems, portable bluetooth, lifestyle speakers, and PC peripheral branded audio solutions. I find the A07 to be adequate in it's stock form but mine really improved when I swapped the NE5532 OpAmps for the LM4562. Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). Of course op amps are not his first choice. I have tried muse02, muse 8920 didnt feel they were worth the hype or price. . New BUF634A has higher slew rate, wider BW and decreased quiescent current in wide-BW mode, and is cheaper than original 634 Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). The schematic, spectrum and results are given below. NE5532 leans toward less bright, more warm sound, and Audioengine A2+ is already considered to have V shaped frequency response, which will likely become even more pronounced if NE5532 is swapped for something brighter. Apr 21, 2019 · SparkOS Discrete Op-amps SS3601 and SS3602 with comparisons to Ne5532/5534, Muses02, Burson v6 Classic, and Burson v6 Vivid op amps May 25, 2021 · There is no difference between the NE5532 or the OPA1656 or any other one. 4 days ago · I'm replacing the opamps on a Rotel RC-850 phono stage. Minor problem: 60-100$ shipping to Eastern Europe plus very high local VAT with both Mouser and Digikey. Don't let power supply current limitations get in the way of performance. The OPA604 is topping 10 nV/√Hz. (If I am not wrong OPA1656 is a really modern OP Amps from March 2019 vs 2017 for the OPA1692). The combination of OPA1656 as U1 and LM4562 as U2 gave the lowest measured noise, but there was a negligible audible difference when the LM4562 was replaced by a NE5532. OPA1656 sounded worst, Muses 8920 sounded best. When my v3 gets here, I'll try out the OPA1656 and OPA2604 I have on hand and report back. The replacements (LME49710NA) have a lower maxium voltage spec, 36V rail-to-rail vs the 44V of the preamp's stock NE5534 and NE5532. Every amp. NE5532 is a very good amplifier especially for the price ($0. I would like to order a new TPA 3255 board from JLE but that will be for a different chassis that has more space. Sep 14, 2021 · Yes, the low pipe organ pedal notes down 'round 20Hz are rolled-off at 20dB/decade below that of the mid-band 1KHz level during the cutter/mastering process. Mar 17, 2019 · 3. The power supply output is +/- 19. And get your noise down to a respectable sub–1. Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. To my ear that upgrade took the device from being good for the price to just plain good. For the case of Mar 17, 2019 · I wasn't complaining about the OPA1611 , just as an example of bipolar NPN input opamps , like the OPA1622 , or AD797, NE5532, OPA1692, Anyone know whether the LM4562-LME49710-LME49860 series are PNP input or NPN . reReddit The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. com with a TI insider involved. consists of 2 x 10 op-amps in parallel and the two 10s are balance connected. I had no oscillations or instability with the OPA1656. Except opa1656 rest of opamps are available on rsdelivers. The circuit with the values shown in the linked article (but without the High and Low resistors and without the 1K input resistor): The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. Two identical gain 11 amplifiers were tested. We get lower current noise and better EMI resistence. OPA2134 and NE5532 both have power supply currents of about 4mA per channel, and have been widely adopted in the market (understatement). It measures better to, with LM4562, but the difference is much smaller than the sound differences. The OPA1656 immediately raised my attention, plus there was/is a long thread about it on diyaudio. It has the most stable input capacitance vs. May 19, 2017 · Anyway, NE5532's have double-to-triple the input equivalent noise. And this preamp sounds MUCH better than Audio Research, Burmester and Accuphase preamps costing above €10. IMHO the outcome was mostly decided by how the opamps responded to the RF coming out of the dac chip. common mode voltage that I've measured on any op amp. The bass was less muddy and overbearing while the midrange and treble clarity improved greatly. That is about it for now. I don't care about listening tests or something else, just want to use the technical better one in my amp. PRODUCTION DATA. Feb 11, 2021 · I am using interfaces that come with NJM2068, NE5532 and TL074 stock. The OPA2134 and LM4562NA measured almost identically but both above NE5532. Apr 10, 2019 · TI recently introduced two devices worth looking into, updated BUF634A and OPA1656, both available as prototypes directly from TI. Feb 11, 2021 · Below is a comparison between OPA1656 and OPA1642. Remember, to actually hit the specified slew rate of an op amp, you have to create a large enough voltage between the op amp inputs to direct 100% of the tail current into the compensation capacitor. I'd give the stock NE5532 a chance, you might just like them well enough. (or the 2156) The opamp has good phase margin and seems quite tolerant of sub-optimal layout. Will try to look into the OPA1656 :), seem to be a common recommendation or idea for a replacement for the MC33078N. Dec 6, 2018 · The NE5532 is all you'll ever need? I don't know about that. Transients are stronger, both rimshots of snare drum and big-band trumpets. I also have a AIYIMA A07 Mar 17, 2019 · Like many opamps, the OPA1656 does NOT have constant gain-bandwidth product.
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