Opa1656 vs lm4562 sound quality

Opa1656 vs lm4562 sound quality. I also feels the music is more focus in the center. 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 OPA1656 is somewhat worse, even A weighted at 4. Even when it would it is really small and you can't say which is better. 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. 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. (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. Main exception would be LME49860 is specified for higher voltage rails. 1mV vs +/- 0. 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. 8nv/rthz so the net input is about 3. You are right, OPA1656 is interesting part, but as anything in engineering field it depends on user case and circuit environment. The applications that slew rate limiting is important to take into account is using the device in non-audio applications. Feb 11, 2021 · Yes. 1 k : 3. Our primary goal is insightful discussion of home audio equipment, sources, music, and concepts. IME they are very good audio opamps, but a possible weak point may be their sensitivity to radiated RF. 8 mV 0. I'd go with the LM4562 (= LME49720) instead. ti. 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. TI’s OPA1656 is a SoundPlus™ ultra-low noise and distortion, Burr-Brown™ audio operational amplifier. #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. I hesitate to recommend those without simulating the circuit. ChristianThomas. In some respects I think of the LM4562 as a somewhat upgraded NE5532. Load was 1k but I'm planning on changing that to something easier like 2k and retesting NE5532 just for fun. 5 metre cable at 33. Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). 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. 9nv so it's pretty darn noisy for anything other than LOMC cartridges. 7nv/rtHz at 1kHz typical, but the noise for MC due to the 100 ohms and 392 ohms is 2. OPAs 1642 and 1656 MUCH MUCH better. In 2022 one would suggest OPA1642 and OPA1656 methinks. Nov 8, 2022 · The original opamps are LM4562, otherwise known as LME49720. 000035% (-129 dB) at 20 kHz and improves audio signal fidelity across the full audio bandwidth. 4nV/rtHz both flat. 3nV/rtHz @ 1kHz). Thanks in Mar 17, 2019 · Benefit is lower dc offset and less distortion also high open loop gain also superior stability. It has a style of sound that seems to evoke more emotion and make the music more enjoyable than the others. Another parameter that I noticed was the voltage. 01%, 10V step vs 1. Also FWIW, the 1820m with OPA1656 in it hasn't been recapped yet but they chart to still be reasonably healthy. I routinely use OPA1656 and related on adapters without any issues. 100uV offset x gain of 5 = 0,5mV . com In no case did I have too high expectations regarding the sound Jun 8, 2023 · THD=-117. Jan 7, 2021 · Power supply quality is what defines any amplifier in the end. They are 2. • 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. CMRR is not a big issue. Desire to learn and share knowledge of science required. 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. r/audiophile is a subreddit for the pursuit of quality audio reproduction of all forms, budgets, and sizes of speakers. 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. Subwoofer Out Frequency Response: -3dB at 80 Hz THD: <0. 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. Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. May 9, 2023 · Hello together, i want to put one of the mentioned OP Amps in my amp. 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. But it's a bit emotionally distant compared to MUSES03. The LM4562 has lower typical input offset voltage than the OPA1656 (+/- 0. Jul 3, 2019 · WANTED: Happy members who like to discuss audio and other topics related to our interest. 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. How to choose between lm4562 vs ne5532. 9nV/rtHz vs. OPA828 feels like the most technically correct presentation of the sound, done at a far higher level of quality than say LM4562. OPA1656 is a bit noisy at low frequencies. Jun 19, 2021 · Especially on the sound-stage and overall music presentation is more forward with this LM4562. It measures better to, with LM4562, but the difference is much smaller than the sound differences. 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. It has the most stable input capacitance vs. Aug 28, 2023 · 2. 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. For example, Aol for the OPA1656 with a 600 ohm load will have a linear output swing that is 1. Old op-amps such as the LF412 and TL072 are more than good enough for 99% of audio applications. There are many reviews of audio hardware and expert members to help answer your questions. But once it comes, I'm excited to try to listen to that. Mar 17, 2019 · As compared with the OPA1656 which is 24V/us. Very nice presentation in the link! Thank you. I can easily compair them , one with NE5532 and the other with LM 4562. Joined 2006. I like the OPA1642 due to its MUCH reduced bandwidth compared to the 1656 (11MHz vs, 55 May 15, 2022 · Buggle2 Riaa board. 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. Choosing between the LM4562 and NE5532 depends on your specific application requirements and priorities. . 0008%, CCIR SNR: >112dB referenced to 2V RMS Topology: based on OPA1656/OPA1678 Gain: 10dB referenced to mains Output Impedance (line out): 75 ohms. OPA1656 : 500 uV , not laser trimmed ? Mar 17, 2019 · The OPA1641 would be slightly better. The output swing for Aol should be considered as it is different between the two devices. 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 . I'm still waiting for OPA1656 in the mail. consists of 2 x 10 op-amps in parallel and the two 10s are balance connected. The OPA827 for example has superior load drive,much lower distortion and miniscule DC offset. 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. Feb 4, 2014 · The thread was started in 2014. Thread starter maty; Start date Jun 2, 2019; (Sonic Imagery 994, OPA1656, LM4562). 7nV/√ Hz) with vanishingly low THD+N (0. May 23, 2018 · Sorry I can't compare the sound of these opamps. The OPA1656 has lower typical settling time than the LM4562 (800nS to 0. LM4562-+ LM4562 10pF + + INPUT OUTPUT 47 k : 150 : 3320: 909 : 26. For several reasons: Firstly I don't think that would be difference in sound quality. No regrets with this amp whatsoever after rolling. 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. It is not a wider sound stage among those previous op-amps I have tested. The input is essentially shorted with 10mohm resistor in order to have a -140db control signal. Feb 28, 2021 · The new breed of TI J-Fet opamps offer superior performance to that old soldier the OPA2134. OPA1656 really is excellent. Together will make a really good composite amplifier, I will try this application at some stage. 0008%, 20Hz-20KHz, at 2V RMS IMD: <0. 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. 3V inside of each supply. 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. New comments cannot be posted and votes cannot be cast. USB Receiver: C-Media CM6635. 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. common mode voltage that I've measured on any op amp. 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). Some will point out the OPA1612 (which is even better) or the OPA1656. 2uS to 0. 0026% LM4562 (DIP, Blue trace) -1,2/+2. OPA1656 • audio·phile: a person with love for, affinity towards or obsession with high-quality playback of sound and music. 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. 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. 8/-5. 5 MHz LM4562, 55 MHz OPA2134, 8 MHz A 1 metre cable with polyethylene dielectric has its first resonance at 50 MHz, a 1. This creating superior imaging for the vocal while sacrifice the wider music sound-stage and music presentation. There is no practical audio program material which will have 24dBu (which is what 17. 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. Sep 27, 2019 · The high bandwidth and high open-loop-gain design of the OPA1656 provides a low distortion of 0. A 1mV offset like OPA1642 ( also Jfet) = 5mV , definitely a click when relay switches. Below is a comparison between OPA1656 and OPA1642. 00003%) to easily satisfy the most demanding audio applications. 7nV/rtHz @ 1kHz vs 4. OPA1656 sounded worst, Muses 8920 sounded best. 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. Jul 4, 2009 · Of these top three my favorite is MUSES03. 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. 707dBc=0. 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. PRODUCTION DATA. 3 MHz. 5mV). The FET-input architecture achieves a low 2. 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. 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. I still have some channels of 2068 with old caps, so can A/B and the difference is shocking in a very good way. Also, a LME49720HA that costs 5 times as much as the PDIP or SMD version should also be interesting in terms of cost calculation. 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. 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. 1%, 10V step). It would cost some serious cash to get 8 channels of this quality. 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. Mar 17, 2019 · Thank you so much for the hints. The completely docile op amps are the OPA2604, the OPA627, the OPA2107, the LM4562/LME49720 and the OPA2134. 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. The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. Every amp. Opa1656 has good phase response at high frequency. 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. To help others to understand what other audio components are being used, a SML SU-6 and SH-6 are used. I would not classify the OPA1656 as a high speed amp in this context. 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. 3nv/rtHz at 1kHz. The LM4562 combines extremely low voltage noise density (2. 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. 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. LM is the best overall, it sounds the most balanced, very natural/smooth/clean, doesnt exaggerate anything but can sound lacking in impact. Feb 11, 2021 · As a quality fanboy I look at the parameters. 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. Composite amplifier is one of the best application with opa1656. The question is rather moot anyway. Each part has its specific specs tailored for the application. Swapping out the 5534 or 5532 without looking a little deeper isn't wise. 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. Feb 11, 2021 · The subjective sound is incredible. Member. 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. Nov 8, 2006 · OPA2134 is more stable, as it is not too fast for Audio. ••• Aug 22, 2007 · Before I got an AP I used a Boonton 1120 -- same story -- the NE5534 in the oscillator couldn't be beat. 3 mV 0. 7 nF//500 pF 47 nF//33 nF LM4562 www. One S300iu integrated amplifier | Stereophile. 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. It's best use as an alternative to opa1612 when noise is not a big concern. The LM4562 audio operational amplifiers deliver superior audio signal amplification for outstanding audio performance. Feb 20, 2021 · The BJT input LM4562 has lower typical input voltage noise (2. 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. Those are fine. Two identical gain 11 amplifiers were tested. TI was going to discontinue the LM4562 and others as well. I don't care about listening tests or something else, just want to use the technical better one in my amp. 75V peak corresponds to) at 20kHz. 83 k : 100 : 150 : 22 nF//4. MUSES8820 is the best, IMHO. Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. The main reason I can't perform the test is because the current setups of mine are all soic8 package. tssyi lqu oaein wwq ogspqjjk rgvrst pehjnmx vfunnm kyk jvbr