Opa1656 vs lm4562 sound quality

Opa1656 vs lm4562 sound quality. No regrets with this amp whatsoever after rolling. It has a style of sound that seems to evoke more emotion and make the music more enjoyable than the others. To help others to understand what other audio components are being used, a SML SU-6 and SH-6 are used. I hesitate to recommend those without simulating the circuit. 7nv/rtHz at 1kHz typical, but the noise for MC due to the 100 ohms and 392 ohms is 2. I can easily compair them , one with NE5532 and the other with LM 4562. 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. Thanks in Mar 17, 2019 · Benefit is lower dc offset and less distortion also high open loop gain also superior stability. This creating superior imaging for the vocal while sacrifice the wider music sound-stage and music presentation. OPAs 1642 and 1656 MUCH MUCH better. 3nv/rtHz at 1kHz. In 2022 one would suggest OPA1642 and OPA1656 methinks. 2uS to 0. MUSES8820 is the best, IMHO. The input is essentially shorted with 10mohm resistor in order to have a -140db control signal. 5mV). View attachment 309771 View attachment 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u2的组合提供 了最低的测量噪声、但当 lm4562替换为 ne5532时、可闻差异可以忽略不计。 Feb 17, 2023 · The NE5532 was really good for its time but has been superseded by quite a few opamps since then. To ensure that the most challenging loads are driven without Sep 14, 2021 · Of the op amps in my collection the massive misbehavers are the OPA1656, the LME49990 and the OPA1612. Jan 7, 2021 · Power supply quality is what defines any amplifier in the end. IME they are very good audio opamps, but a possible weak point may be their sensitivity to radiated RF. The main reason I can't perform the test is because the current setups of mine are all soic8 package. Jul 3, 2019 · WANTED: Happy members who like to discuss audio and other topics related to our interest. Feb 11, 2021 · Yes. But it's a bit emotionally distant compared to MUSES03. You can't simply pick a an op amp and call it the best without defining where or in what circumstances it performs better in. I'd be curious if the new-er opa1656 doesn't beat the NE5534 in almost every one its edge cases (namely, it's rather nice output stage) -- the low distortion oscillator thread makes a case Mar 17, 2019 · blue spectrum - 2 x 8 parallel OPA1642 , green spectrum - 2 x 2 parallel OPA1642 orange spectrum - 2 x 8 parallel OPA1656 , brown spectrum - 2 x 2 parallel OPA1656 Based on these measurements I expect the noise of a single OPA1656 to be 39nV/rtHz at 10Hz. common mode voltage that I've measured on any op amp. You are right, OPA1656 is interesting part, but as anything in engineering field it depends on user case and circuit environment. Find parameters, ordering and quality information You see the opa2604 has quite a thick sound, easy to listen to, not bright or analytical in any way and the LM4562 leans in the opposite direction, not too much mind but enough to liven up the opa2604 and put some sparkle in there while the opa2064 beefs up the low end of the LM4562 quite nicely and the end result is a fuller rich and detailed Nov 25, 2015 · Ive compared the NE5532, NJM4556 and LM4562 so far. Two identical gain 11 amplifiers were tested. I have used the OPA2134 as the first gain stage in a number of high quality DIY phono stages, with the LM4562 in the second overall gain stage. I would not classify the OPA1656 as a high speed amp in this context. Jul 4, 2009 · Of these top three my favorite is MUSES03. Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. BTW you have now 2 reasons NOT to use LM4562 :) May 19, 2017 · An OPA1612 has slightly better specs than an LM4562---less noise and distortion, faster, and more output voltage swing. Member. OPA1656 : 500 uV , not laser trimmed ? Mar 17, 2019 · The OPA1641 would be slightly better. Those are fine. There are many reviews of audio hardware and expert members to help answer your questions. Load was 1k but I'm planning on changing that to something easier like 2k and retesting NE5532 just for fun. . com SNAS326K –AUGUST 2006–REVISED DECEMBER 2013 LM4562 Dual High-Performance, High-Fidelity Audio Operational Amplifier Check for Samples: LM4562 1FEATURES DESCRIPTION The LM4562 is part of the ultra Aug 26, 2020 · A pair of *genuine* OPA1656's is the consummate and necessary upgrade for it's stock NE5532 opamps. Joined 2006. 0026% LM4562 (DIP, Blue trace) -1,2/+2. I like the OPA1642 due to its MUCH reduced bandwidth compared to the 1656 (11MHz vs, 55 May 15, 2022 · Buggle2 Riaa board. Feb 28, 2021 · The new breed of TI J-Fet opamps offer superior performance to that old soldier the OPA2134. 01%, 10V step vs 1. Apr 16, 2011 · It seems to me that the selection of what op amp to use depends greatly on the circuit they are in as well. I'm still waiting for OPA1656 in the mail. The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. CMRR is not a big issue. The OPA1656 has lower typical settling time than the LM4562 (800nS to 0. The output swing for Aol should be considered as it is different between the two devices. For several reasons: Firstly I don't think that would be difference in sound quality. The circuit with the values shown in the linked article (but without the High and Low resistors and without the 1K input resistor): Feb 28, 2021 · Curiously enough it seems to sound its best in combination with the OPA2134. 00003%) to easily satisfy the most demanding audio applications. Aol Feb 4, 2014 · I think this has all been discussed before, but comparing datasheets for LM4562, LME49720, and LME49860, they sure look strikingly similar. 75V peak corresponds to) at 20kHz. Feb 20, 2021 · The BJT input LM4562 has lower typical input voltage noise (2. I also feels the music is more focus in the center. Together will make a really good composite amplifier, I will try this application at some stage. Jul 11, 2022 · I am wondering if there are certain parameters that will make popular opamps like NE5532, LM4562, TL072, OPA2134, and others, to give the best performance as far as THD and sound quality? When I studied datasheets for those opamps it seems that the lowest THD is achieved when R load is 2k. OPA1656 is a bit noisy at low frequencies. • Professional audio mixer/control surface • Guitar amplifier and other music instrument amplifier • A/V receiver • Bookshelf stereo system • Professional audio amplifier • DJ equipment • Turntable • Special function module 3 Description The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. The OPA827 for example has superior load drive,much lower distortion and miniscule DC offset. Any way, it is also Jan 30, 2004 · LM4562 and LME49720 are the exact same part just different model stamped (stated by an ex-employee) The LME49860 is just a LME49720 that passed a higher voltage test. I had (indeed) in mind AD844 & OPA861 (not sure the first don't use feedback!) after reading many threads here and there but was asking myself if there were something better with all the launchs from several years nowMy very basic undestanding is they were good to be loaded with relativly high impedance outputt of current outputt dac chips while giving at Aug 22, 2007 · I had a Rotel RA-930AX at hand which I had recently upgraded, reduced the opamp supplies to +/-16. Opa1656 has good phase response at high frequency. Thread starter maty; Start date Jun 2, 2019; (Sonic Imagery 994, OPA1656, LM4562). OPA1656 sounded worst, Muses 8920 sounded best. 4Vdc and then sequentially put in the dual audio opamps which I happened to have in my inventory into its preamp stage socket: Total amp DC offset and THD LME49720 (TO-99, Green trace) -1. May 9, 2023 · Hello together, i want to put one of the mentioned OP Amps in my amp. OPA828 feels like the most technically correct presentation of the sound, done at a far higher level of quality than say LM4562. 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. Feb 11, 2021 · looks very similar to the eighth image from post #2 of Bel Canto's S300i/S300iu - driven by dual mono Icepower amplifier modules with switch mode power supply - go to Inside the Bel Canto S300i integrated amplifier | Audiokarma Home Audio Stereo Discussion Forums and Bel Canto e. OPA1656 really is excellent. The LM4562 audio operational amplifiers deliver superior audio signal amplification for outstanding audio performance. May 19, 2017 · Compare using a fet opamp, opa1656 vs a opa2134, I see little reason why one would choose a opa2134 for a new design, maybe that's why TI asks so much because they want you to use the new tech, but it's probably the cost of the mfg process for that tech vs the new processes. For example, Aol for the OPA1656 with a 600 ohm load will have a linear output swing that is 1. Craig Jun 29, 2021 · これが使えるならば、さらにデータ上は上位のths4651がいけるのでは？と思い、交換してみたところバッチリでした。解像度、空気感、柔らかさがmuses01、lme49990よりも良く、好みの音です。opa1656が最新でスペックの高さが評判でしたので、最初は期待し Jun 2, 2019 · Apollon Audio Class-D Amp Build Quality. 9nV/rtHz vs. 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. The FET-input architecture achieves a low 2. May 23, 2018 · Sorry I can't compare the sound of these opamps. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety Mar 17, 2019 · The good news is that in audio, impedance levels are relatively low so parasitics need to be larger to have a bad effect, and most audio opamps are not really high speed. The completely docile op amps are the OPA2604, the OPA627, the OPA2107, the LM4562/LME49720 and the OPA2134. Jan 19, 2023 · - LMP8672 (probably discontinued) - OPA1612 (which is barely available in SOIC8 at the moment) - ADA4898-2 - OPA1656 (if the circuit around it is right, it performs like opamps which are much more expensive, because of the FET Input stage it doesn't produce so much noise even with higher resistor values on its inputs) - AD8599 ( not a very fast opamp but therefore it is easy to get it stable 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. Mar 17, 2019 · Thank you so much for the hints. Mar 17, 2019 · As compared with the OPA1656 which is 24V/us. It's best use as an alternative to opa1612 when noise is not a big concern. Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. Subwoofer Out Frequency Response: -3dB at 80 Hz THD: <0. Thank you, enjoyed reading all these pages, and am glad TI is making improved audio for us all to enjoy! Nov 30, 2021 · Stability should be considered especially with the wider bandwidth of the OPA1656. 3 MHz. Feb 11, 2021 · The subjective sound is incredible. Feb 11, 2021 · As a quality fanboy I look at the parameters. ti. PRODUCTION DATA. 100uV offset x gain of 5 = 0,5mV . I still have some channels of 2068 with old caps, so can A/B and the difference is shocking in a very good way. Feb 10, 2020 · And I've tried many Opamps as well: the stock 5532, some directly purchased from TI 5532P and 5532AP, LME47920, LM4562 and finally some OPA1656 and OPA1612 on adapters. Each part has its specific specs tailored for the application. 5 metre cable at 33. 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. 83 k : 100 : 150 : 22 nF//4. 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. A 1mV offset like OPA1642 ( also Jfet) = 5mV , definitely a click when relay switches. Swapping out the 5534 or 5532 without looking a little deeper isn't wise. Close to zero DC mv at its output would enable removal of the dreaded electrolytic coupling caps which will definitely lower colouration and improve sound quality. Sep 14, 2021 · The LM4562 is an exception, but otherwise it are the fast op-amps that JRA has trouble with: Misbehaving: OPA1656, gain-bandwidth product 53 MHz LME49990, 110 MHz OPA1612, 40 MHz Behaving well: OPA2604, 20 MHz OPA627, 16 MHz OPA2107, 4. In some respects I think of the LM4562 as a somewhat upgraded NE5532. Nov 8, 2022 · The original opamps are LM4562, otherwise known as LME49720. ••• Aug 22, 2007 · Before I got an AP I used a Boonton 1120 -- same story -- the NE5534 in the oscillator couldn't be beat. 1%, 10V step). USB Receiver: C-Media CM6635. 8 mV 0. 000130% Although the price was also cheap, It is a pity that NS was absorbed by TI and was abolished after losing the brand power competition with BB. The applications that slew rate limiting is important to take into account is using the device in non-audio applications. ChristianThomas. 4nV/rtHz both flat. They are 2. Very nice presentation in the link! Thank you. LM4562-+ LM4562 10pF + + INPUT OUTPUT 47 k : 150 : 3320: 909 : 26. 0008%, 20Hz-20KHz, at 2V RMS IMD: <0. strangely its probably the most boring sounding one when paired with 400i but the best sounding with hd600 Mar 17, 2019 · The OPA1641 would be slightly better. It has the most stable input capacitance vs. In terms of pure sound quality and power, is there a difference between the A07 and the typical AV receivers or stereo amplifiers from brands like Sony, Yamaha, Denon, Marrantz, etc? Archived post. But once it comes, I'm excited to try to listen to that. Dec 6, 2018 · Just replace the original op-amp with one with a similar specification, if it's not possible to find an exact replacement. DAC: ESS ES9018 with LM4562 I/V and filter stages Feb 11, 2021 · Dont make me laugh, if you can't hear the difference 5532 vs OPA1612 than you should not be very concerned about SQ (in your case). I routinely use OPA1656 and related on adapters without any issues. TI’s OPA1656 is a SoundPlus™ ultra-low noise and distortion, Burr-Brown™ audio operational amplifier. Also FWIW, the 1820m with OPA1656 in it hasn't been recapped yet but they chart to still be reasonably healthy. Even when it would it is really small and you can't say which is better. One S300iu integrated amplifier | Stereophile. It measures better to, with LM4562, but the difference is much smaller than the sound differences. Another parameter that I noticed was the voltage. 1mV vs +/- 0. #1 Choose the LM4562 (LM4562 vs NE5532): High-End Audio Quality: If your application demands the highest audio quality, low distortion, and minimal noise interference, the LM4562 is a better choice • audio·phile: a person with love for, affinity towards or obsession with high-quality playback of sound and music. 0008%, CCIR SNR: >112dB referenced to 2V RMS Topology: based on OPA1656/OPA1678 Gain: 10dB referenced to mains Output Impedance (line out): 75 ohms. Feb 4, 2014 · The thread was started in 2014. 707dBc=0. This device features excellent output current drive capability, offering rail-to-rail output swing to within 250 mV of the power supplies with a 2 kΩ Mar 17, 2019 · OPA1656 is less noisy than the OPA827, 2. The type or style of the power supply, the instant current it can supply, and how clean the power is are always the defining characteristics of an amplifier and easily the most expensive part of a high quality amplifier. Aug 28, 2023 · 2. How to choose between lm4562 vs ne5532. Nov 8, 2006 · OPA2134 is more stable, as it is not too fast for Audio. Composite amplifier is one of the best application with opa1656. TI was going to discontinue the LM4562 and others as well. 3nV/rtHz @ 1kHz). Mar 17, 2019 · Low offset is important in audio when you don't use a servo and don't want high offset at the output . Jun 19, 2021 · Especially on the sound-stage and overall music presentation is more forward with this LM4562. Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). 9nv so it's pretty darn noisy for anything other than LOMC cartridges. Some will point out the OPA1612 (which is even better) or the OPA1656. It is not a wider sound stage among those previous op-amps I have tested. Our primary goal is insightful discussion of home audio equipment, sources, music, and concepts. I wonder how the sound of CMOS would compare to the JFET? Apr 10, 2019 · OPA1656 is positioned for audio applications: low noise and really good THD (-131dB) and high output current (100mA), but still needs a series resistor to drive capacitive loads unfortunately. (Supported by same response graphs in their datasheets) Anybody who has played with these opamps care to share their opinion on how they sound? (HA / Metal can models excepted) Mar 17, 2019 · I listened to OPA2134, LM4562, and NE5532, and OPA2134 sounded the best. OPA2134 is more used and more liked, than almost any other JFET op ( Maybe still TL072 is most used, but it is far from OPA2134 in quality )-----OPA2134 is probably the most used DIY Audio op, all categories. 1 k : 3. New comments cannot be posted and votes cannot be cast. Every amp. Desire to learn and share knowledge of science required. The LM4562 has lower typical input offset voltage than the OPA1656 (+/- 0. 5 MHz LM4562, 55 MHz OPA2134, 8 MHz A 1 metre cable with polyethylene dielectric has its first resonance at 50 MHz, a 1. 7nV/rtHz @ 1kHz vs 4. LM is the best overall, it sounds the most balanced, very natural/smooth/clean, doesnt exaggerate anything but can sound lacking in impact. Old op-amps such as the LF412 and TL072 are more than good enough for 99% of audio applications. 3 mV 0. The OPA1656 is somewhat worse, even A weighted at 4. Mar 17, 2019 · There are a few 5532's in the unit too-primarily as input and output stages, and am considering replacing with LM4562's, which I have used in other things such as tape machines and phono preamps. I don't care about listening tests or something else, just want to use the technical better one in my amp. Below is a comparison between OPA1656 and OPA1642. 8nv/rthz so the net input is about 3. Choosing between the LM4562 and NE5532 depends on your specific application requirements and priorities. Also, a LME49720HA that costs 5 times as much as the PDIP or SMD version should also be interesting in terms of cost calculation. Sep 27, 2019 · The high bandwidth and high open-loop-gain design of the OPA1656 provides a low distortion of 0. 8/-5. I'd go with the LM4562 (= LME49720) instead. OPA1656 • audio·phile: a person with love for, affinity towards or obsession with high-quality playback of sound and music. Main exception would be LME49860 is specified for higher voltage rails. com In no case did I have too high expectations regarding the sound Jun 8, 2023 · THD=-117. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety Aug 1, 2024 · The TL072 H does show a faster slew rate than before (now 20, was 13) but the same poor voltage noise and the same inability to effectively drive anything below 10KΩ. The LM4562 combines extremely low voltage noise density (2. 7nV/√ Hz) with vanishingly low THD+N (0. 000035% (-129 dB) at 20 kHz and improves audio signal fidelity across the full audio bandwidth. The question is rather moot anyway. 3V inside of each supply. There is no practical audio program material which will have 24dBu (which is what 17. consists of 2 x 10 op-amps in parallel and the two 10s are balance connected. 7 nF//500 pF 47 nF//33 nF LM4562 www. It would cost some serious cash to get 8 channels of this quality. r/audiophile is a subreddit for the pursuit of quality audio reproduction of all forms, budgets, and sizes of speakers. See attached, Jan is using the opamp for his project MRK 3 input box (input attenuation & gain) prior an ADC for measurement purposes :redhot: Currently it is not clear, how the measurement (customer) setup was really Mar 17, 2019 · Many high-end audio manufacturers still use THT technology and avoid SMD at the sound-relevant points. esuwo jhyp bqetn cymjd uueca pfkrm bduju cgovyyj cgqx boqxul