Lm4562 vs opa2604 sound quality. 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. However, swapping opamps seems to be more dependent on the surrounding circuitry, their quality and PCB layout, than the opamp itself. 004% @20KHz The above parameters are insignificant to the audio level variations imposed by substandard audio recordings, room modes and compromised loudspeaker placements in the average home, some of these variations could Jan 1, 2019 · We recorded a video demonstrating the V3 using various op-amps including NE5532, JRC4580D, Sparkos SS3602, MUSES02 and OPA2604. The LM4562 has higher 2nd harmonic (if that is what you wan´t) but higher 5th too. The LM4562 and LME49720 are IDENTICAL except for the ordering number and marking. The LM4562 combines extremely low voltage noise density (2. I note that the LM833 and LM4562 datasheets contain identical RIAA phono circuits in their application notes. It measures better to, with LM4562, but the difference is much smaller than the sound differences. Sep 7, 2024 · G'day all, an interesting thread. Thank you for advices. I cannot confirm that the OPA2604 has Feb 25, 2007 · Bypassing from V+ to V- will be good. Nov 26, 2017 · thanks for your tips! i have tested the opa2604 and the LME49720 compared to the ne5532. Then National Semi, for marketing reasons, decided to create a new part number. Crosstalk vs Frequency VCC = 15V, VEE = –15V, VOUT = 10VRMS AV = 0dB, RL = 2kΩ 201572c9 Crosstalk vs Frequency VCC = 12V, VEE = –12V, VOUT = 3VRMS LM4562 Jul 5, 2006 · hi opa2604 is a fet and lm49860 is a bjt for after D/A input impedance very important I favorite is lm49860 too. Jan 7, 2021 · Power supply quality is what defines any amplifier in the end. 83 k : 100 : 150 : 22 nF//4. It has a strong output stage as well as JFET inputs. It could also sound worse or nasty things. Low voltage ADCs are about all I can think of. Nov 25, 2015 · The sound quality comes from the entire circuit, not the op amp. 7 nF//500 pF 47 nF//33 nF LM4562 www. 1 k : 3. • audio·phile: a person with love for, affinity towards or obsession with high-quality playback of sound and music. The LM4562 was introduced first. head-fi. 00 : Crosstalk - 110dB PSRR - 80dB min, typ 100dB Distortion - 0. The OPA827 for example has superior load drive,much lower distortion and miniscule DC offset. It is rejection noise. . This is a straight-to-the-point review, Compared to LM4562, OPA2604, NE5532 and other "popular" opamps V5i is a big deal. Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. Feb 29, 2008 · ad8620 is for sure a nice chip. Although I am a fan of the OPA2134, I still have very considerable respect for the NE5532. (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) LM4562-+ LM4562 10pF + + INPUT OUTPUT 47 k : 150 : 3320: 909 : 26. 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. ti. Enjoy worry-free music with a 24-month warranty. The difference you hear with them is actually much more accurate sound. (The AD797 uses intern only one voltage gain stage). It provides a wider bandwidth, lower noise, and higher slew rate compared to the NE5532. Use a simple resistor, or a J-fet with the IDSS trimmed to 3mA~5mA. Our primary goal is insightful discussion of home audio equipment, sources, music, and concepts. To ensure that the most challenging loads are driven without 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. Jun 7, 2016 · Sound Quality Disclaimer: 1. 4kHz bandwidth Again here we see that the LM4562, LM833, LM49720 and OPA2134 all have the same level of performance with the NJM2742 having the worst performance of the bunch and the LT1352 being just slightly worse. btw, you can do a bypass V+ to V-, and add a bypass from either V+ or V- to ground. Correct me if I'm wrong. View datasheets for OPA2604 by Texas Instruments and other related components here. Choosing between the LM4562 and NE5532 depends on your specific application requirements and priorities. May 15, 2022 · Buggle2 Riaa board. They are the three that are the consistently best performers. 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 Sep 1, 2023 · The OPA2604 is a high-performance audio op-amp known for its exceptional sound quality and low distortion characteristics. I find OPA2604 more laid back/smoother and LM4562 very crisp/more forward. but the difference between opa2604 and LME49720 is much smaller than the difference between these two compared to the original ne5532. Offset voltage is laser-trimmed to minimize the need for interstage coupling capacitors. I can easily compair them , one with NE5532 and the other with LM 4562. Haven't tried the LM4562. My favourite dual is OPA2604 and that's what I use in my CDP. That's why I prefer the OPA1656 and don't really think of the OPA2156 as an audio amplifier. 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 Dec 15, 2014 · It looks dubious to me. sound quality. Probably better at lower voltages. No integrated opamp will give you "tube sound". Aug 3, 2013 · JRC5532DD: Not too far from the LM4562, but it seemed a bit harsher at times and less natural sounding OP275: Seemed to accentuate the mid-range a bit more than was natural, so vocals seemed more in-your-face and a bit overbearing to me. Jan 3, 2023 · There are clearly sounddifferences between opa2604 and lm4562. Oct 8, 2001 · TI/Burr Brown's OPA2604 is a good alternative as well. but for out put stage not for I/V stage after DAC!!! I think one of the best selection of opa2604 is the sound chip is a part of the Secret in the data sheet. Nov 8, 2023 · Contributors have tried a few different ones (NE5532, LM4562, MUSES02, Sparkos SS3602) with the units. MUSES8820 is the best, IMHO. We love music and it’s always been our philosophy to enhance sound quality wherever possible. Same opamp could sound more open and with a darker background when tested in equipment #1, but may sound with a much closer scene and with a bit of hiss-noise when installed in equipment #2. All these fast slew rate amplfiers require local ceramic disk power supply decoupling, and a 22-47 pf capacitor around the feedback resistor, to keep them from oscillating. These draw less 3ma or so but up an "upgrade" of say an OPA2604 is 12ma. The 5532 has a higher Iq than 4. The OPA2604 is available in 8-pin plastic mini-DIP and SO-8 surface-mount packages, specified for the –25°C to +85°C temperature range Mar 19, 2014 · LM4562 is the latest hot item, in the parts bin but not experimented with yet. After uploading to YouTube, the audio quality might not be the best, but you can still use it as a reference. com In no case did I have too high expectations regarding the sound Electrical Characteristics for the LM4562 (Note 1) The following specifications apply for the circuit shown in Figure X. Aug 22, 2007 · Only the sound quality should be always the most important thing. I did a big comparison test with all the top notch audio opamps including a $70 discrete opamp, I picked OPA2604 and OPA604. Offset voltage is laser-• Professional Audio Equipment trimmed to minimize the need for interstage coupling • PCM DAC I/V Converters capacitors. #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 The LM4562 audio operational amplifiers deliver superior audio signal amplification for outstanding audio performance. I've used AD8610, OPA627 but don't really have much concern for/belief in particular op amp's 'sound' once you get to a decent quality level. OPA2604 is the most "coloured" sounding (in the nicest possible way) and the LM4562 probably the more clinical. It seems to miss a certain slam I had with the opa2132, might be because of the lower output current it can supply, 16 vs 40mA. Feb 28, 2021 · The LM4562 datasheet indicates it has at least 12dB greater open loop gain than LM833 at all audio frequencies. I have fitted them today and although they sound excellent i am pretty sure they are oscillating as they are running very hot. Drive a variety of speakers with its 600W power output. Jun 13, 2012 · I was advised that LM4562 were the best choice for the preamp in my headunit. 10 to 12 ma would be typical for the total combined current of the two amps in one package. Both are musically better than ne5532, in my subjective opinion. Jun 7, 2016 · Compared to LM4562, OPA2604, NE5532 and other "popular" opamps V5i is a big deal. The foundation of the Supreme Sound Op-Amp is a sophisticated voltage differential amplification network. Aug 22, 2007 · Again the urban legend (fake news?) surfaces. OPA2134 seems inoffensive and defined enough but it's got this flat, slightly recessed in the midrange presentation - not quite what I'd call "dull" but not bright, just a bit "hifi", it sounds like an entry-level Japanese solid-state amplifier, and there's not much openess Jun 10, 2010 · The big problem, as I understand can also be the unexpected current draw - especially with TL072 upgrades. Jul 5, 2006 · Personally I prefer LM4562, OPA2228 and OPA1612 over OPA1642 because of the input noise that makes it sound less pristine. 5ma. Aug 28, 2023 · 2. org/threads/matp-and-excellent. 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. I asked for paying for it but SandyK insisted giving it to me free so that I can publish the result here for other members' benefits, and thanks to LM4562-+ LM4562 10pF + + INPUT OUTPUT 47 k : 150 : 3320: 909 : 26. V S = ±15V, R L =2kΩ,R SOURCE =10Ω,f IN = 1kHz, and T A Dec 22, 2016 · OPA2134 vs OPA2604 vs OPA2107. I've replaced the old TL082 in my active crossover with opa2134. At least it lacks the unfavorable 7th which the OPA2604 has. When measuring DC offset you have to measure using the output ground as a ref point. This has been dispelled by people employed by NS and TI -- back then and currently. Mar 31, 2008 · Last night I added two new opamps to my comparison tests: AD825 LM4562 I ran the tests in this order: OPA627 OPA2134 AD825 LM4562 OPA627 First, thanks to SandyK who kindly offered me a dual LM4562. 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. May 22, 2015 · G'day all, in the light of a recent experience where a DIY phono stage of mine using LM4562's went into destructive oscillation, I think that perhaps the like of the LM4562 are possibly 'too good' and touchy and I now feel more comfortable with the like of the OPA2134 and the NE5532 at least for high quality audio applications. Replacing the part with a more modern device could risk messing it up and ruining the performance so lose, lose. That adds up pretty fast to your power supply giving up it's soul. I like the OPA1642 due to its MUCH reduced bandwidth compared to the 1656 (11MHz vs, 55 Aug 24, 2018 · THD+N Ratio vs Measured Level / Unity Gain / 100k load / 22. Dec 22, 2016 · LM4562 in my revox player took more than 100 hours to sound good. This video title is; 2Which OpAmp is Better for 20W Class A Amplifier - OPA2604 vs NE553 Feb 11, 2021 · Very few high-end audio applications in the signal path need low offset or RRIO. LM4562-+ LM4562 10pF + + INPUT OUTPUT 47 k : 150 : 3320: 909 : 26. The OPA2604 and AD823 are both good too, how good are you at soldering SMDs? The AD823 is a bit more neutral, the OPA2604 may be more hi-fi sounding. How to choose between lm4562 vs ne5532. LM4562 is more punch, dynamic sound and it could oscilate very easy, you must be carrefully with it, LME49860 it has a more warmer sound, sweety treble, but the midrange just a little in the back of stage and the bass is more soft, not too good. Because of (at least) the input stage differences (JFET vs. Before that, it was as sharp and cold as a swiss knife. (just shy of 60 degrees celcius) This is the circuit diagram for where they are at present May 27, 2017 · Slew rate is faster on the OPA627, but OPA604 at over 20V/uS is plenty plenty fast for audio. You can also try OPA1612 as buffer with OPA2822 for the headphone driver. Aug 16, 2023 · The usual version in the markets is the 32 V version (32V / 5A external power supply), although there is the version with 48 V / 5A source and the V3 only version without power supply, different options for different equipment, that added to the possibility of customizing the device positions it as a very useful component in the usual puzzles that are high-level sound equipment. 00003%) to easily satisfy the most demanding audio applications. Regards, Felix. The best solution is actuallly to bypass +V to ground, and -V to ground. bipolar in the NE5532) there may some perceivable performance differences. Jan 7, 2021 · 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 Apr 16, 2011 · Get it all working first and then I would suggest trying the OPA2604 and perhaps the LM4562. The higher current drive of the OPA2822 would be beneficial. Feb 28, 2021 · The new breed of TI J-Fet opamps offer superior performance to that old soldier the OPA2134. CC Apr 17, 2021 · I will show the difference between the OPA2604 vs the NE5532 OpAmp. May 19, 2017 · the composite multiloop feedback linear stability is much easier to design with the output much faster than the input op amp. The OPA2604 is often chosen for high-end audio equipment and critical listening applications where audio fidelity is paramount. I like the lm4562 a lot in some jobs but watch out for dc offset -- Supreme Sound Opamps. There are countless others, 4558, 4560, 4556, 2068 etc etc. I am looking for a dual version of AD797 for replace the NE5532. The included NE5532 op-amps are replaceable and can be upgraded with SRT3609SM, OPA2604, OPA2314, LM4562, JRC5532, OP275GSZ, OPA1612AIDR, etc. Nov 16, 2008 · I use the OPA2604 ( OPA604 Single ) and find them the most musically pleasing to my ears. the differences aren't huge, but big enough to make a change worthwhile. Clear and crisp sound with rich tembre extended at the edges down to deep bass and up to vivd highs. ••• Jun 8, 2010 · Attached are spectra from an OPA2604 and a LM4562 I have tested in my DAT recorder (gain of 10 or so I believe). Bluetooth 5. 2 is provided by a Qualcomm QCC304X and the supported codecs are SBC, AAC, aptX, aptX LL and aptX HD. r/audiophile is a subreddit for the pursuit of quality audio reproduction of all forms, budgets, and sizes of speakers. The low-noise FET input Apr 7, 2007 · Ok, no chip without drawbacks. The only way to overcome IC op-amp problems is to replace them with well-designed discrete circuitry. If anything, it has a more 'neutral' sound than the (possibly slightly euphonic) OPA2134, but its performance is very reliable and dependable and of a very high standard, which possibly explains its long standing use in 'professional' audio gear. Apr 6, 2020 · For dual op-amps I like OPA2604 as they are FET input and are valve like sounding in character with their very nice mid-range, but went further as someone gave me some Burson V5i hybrids which aren't quite as nice in the mids but are better over all. 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 Nov 19, 2015 · I'm no op-amp expert but I believe LM4562 and OPA2134 in your list are duals, NE5534 is a single I think and NE5532 is the dual. The first one is sounding warm and innofensive, and the LM 4562 is cleaner and leaner. Aug 22, 2007 · I try in the same conditions LME49860 and LM4562. 475618/page-341#post-13652862. LM4562 www. exceptional sound quality. near their maximum of 24 volts, they're not very much fun. The lettering isn't perfect for one thing, some appear to be at an angle and some out of line. For instance, in this post I am responding to one of many people who burned out a Burson v5: https://www. OPA2604: The most polite, non-fatiguing, but also the least dynamic and exciting with the smallest soundstage. Customizable and compact, perfect for bookshelf setups and home theaters. The low-noise FET input of the OPA2604 provides wide dynamic range, even 2 Applications with high source impedance. I do some current sense functions in power amplifiers using RRIO op amps with low offset. This combination will sound slightly more clinical than the OPA2228/OPA2822 combination. 5V RL = 2kΩ Apr 21, 2007 · For bjt (transistor input) I would suggest he LM4562, NE5532 or LM833. OPAs 1642 and 1656 MUCH MUCH better. Sound Nov 2, 2010 · Try a pull-down load to the negative supply rail to force the NE5532 into class A, just a few mA will really make it sound better. The sound is much better but there's still something a bit "hi-fi" and "grey" in the presentation. OPA2604 Datasheet by Texas Instruments sound quality. May 1, 2023 · Internally, the A07 Pro uses the same TPA3255 amp chips featured in the original A07. I've been researching and designing possible solutions around LM833 op-amps. The opa2604 is a fet opamp and 4562 is a bipolar based IC. In audio, you may get by with a V+ to V- bypass, but if the goal is to stablize the supply while its output delivers current to ground, then the bypasses really should be to ground. The low-noise FET input of the OPA2604 provides wide dynamic range, even with high source impedance. LM4562 is far more neutral and a good choice for RIAA circuit. com SNAS326I – AUGUST 2006– REVISED JANUARY 2010 LM4562 Dual High-Performance,High-FidelityAudio Operational Amplifier Check for Samples: LM4562 1FEATURES DESCRIPTION 2• Easily Drives 600ΩLoads The LM4562 is part of the ultra-low distortion, low-• Optimized for Superior Audio Signal Fidelity THD+N vs Frequency VCC = 12V, VEE = –12V, VOUT = 3VRMS RL = 10kΩ 20157266 THD+N vs Frequency VCC = 17V, VEE = –17V, VOUT = 3VRMS RL = 10kΩ 20157268 IMD vs Output Voltage VCC = 15V, VEE = –15V RL = 2kΩ 201572e6 IMD vs Output Voltage VCC = 12V, VEE = –12V RL = 2kΩ 201572e5 IMD vs Output Voltage VCC = 2. The review (by @Gigantic) of the Sparkos op amps reports that they made a remarkable improvement on an already good sound. Oct 17, 2014 · Behind its "made for audio" tagline is sweet, puffy, FET-like but muddled sound, particularly in midrange, and boosted bass region with poor definition. the ne5532 looks a bit harder, narrower and more direct, the other two a bit more relaxed and May 6, 2022 · Lets take a look at the NE5532 op-amp, used in audio products everywhere since 1979 and it costs about a $1. in my m3 amp i prefer the 627/637 to the 8610, but, the 86x0 chips sound more 'thin' or 'spidery' the more you crank up the power supply voltage. Posted by KanedaK (A) on December 22, 2016 at 16:38:35 . One can almost not find two more different sounding IC:s. Dec 6, 2018 · Old op-amps such as the LF412 and TL072 are more than good enough for 99% of audio applications. 5V, VEE = –2. One S300iu integrated amplifier | Stereophile. Switching op amps is likely to cause as much harm as good. 7nV/√ Hz) with vanishingly low THD+N (0. The sound is very different between them. I've used both LM4562 and OPA2604 from the suggestions. In order to the sound quality the AD797 outperform the NE5534 clearly (tested in a one stage preamp with RIAA network in the NFB loope). Also with some Keller Williams live recordings (Live at the Vic Theatre, Chigaco, 2002), the sound seemed to be quite far away, as if you were listening to small speaker box 2m in front 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. Jul 30, 2023 · Get powerful and exceptional sound quality with the Fosi Audio V3 Stereo Amplifier. petynnz wlhw udde izphbyg xvjxckmt ksxmnz rzt yrrc ykjdzz ypcmt