Opa1612 vs ne5532 sound quality reddit. OPA1612 is decent the only reason I'd use anything Jul 30, 2021 · If I could also request test of: OPA1642 ~ 2 Euro OPA1656 ~ 2. The NE5532 also has 8 legs but is less than half the size. May 9, 2023 · Hello together, i want to put one of the mentioned OP Amps in my amp. Mar 9, 2023 · SMSL SU-10 vs M500 MKIII vs DO300 21 vs 9 vs 11 dual op-amps OPA1612 (accoring to the spec from smsl-audio) What is the Op-amps doing in that? Facebook Reddit Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). 000. 1 nV/√Hz noise density with an ultra-low distortion of 0. Thanks in In all, I will say the changes are noticeable, but not earth shattering. Apr 21, 2019 · Sound notes are written in reference to replacing all the Ne5532 and 5534 op-amps in both devices with the appropriate SS360x op-amp in its place. The sound difference after using NE5532P to this LM4562 is somehow so much different. Everything that I wrote here are “IMHO” and as is. The OPA2604 and AD823 are both good too, how good are you at soldering SMDs? Apr 10, 2019 · I have interested in low ESR Electrolytic Capacitors to power the Opa1612. This is based on my experience with the V5i-D. May 19, 2017 · maybe modern production 3886 are all above average? the designs seem to take the 'typical' GBW spec as the effective minimum My guesstimate puts the safe with production variation margin local closed loop gain corner as low as 100kHz for LM3886 with a greater than 4:1 range designing for stable extra loop gain from the nice input op amp really doesn't give much 20 kHz added safe composite loop May 15, 2022 · Now i tested opa1612 with lme49720 and 1612 is better in my opinion. Jun 7, 2016 · Sound Quality Disclaimer: 1. OPA2134 measured the best. Our primary goal is insightful discussion of home audio equipment, sources, music, and concepts. Feb 10, 2024 · Thanks Amir, I was just wondering why the review was taking so long. Both fet based opamps sounds a little bit more solid in the bass (not quantity but the imaging and the texture). My main attraction to them is a higher ripple current in the AC to “ power” the board onward as the opa1612 only requires low quiescent current of 3. OPA1656 sounded worst, Muses 8920 sounded best. group at Texas Instruments. 6 mA but I know I’m in the Op amp thread so I don’t want to take the thread off topic. And this preamp sounds MUCH better than Audio Research, Burmester and Accuphase preamps costing above €10. Mar 19, 2014 · The NE5532 is far superior to the TLO72 in just about every way for audio use, only real exception being the 5532s' relatively large input current spec. Dec 10, 2023 · In my own subjective testing, the digital preamp in the Pro is the best I have tried, the PEQ function dont make the sound worse , like the first versions of space optimization did in the Linn streamers. i expected them to put some Jun 7, 2016 · To me the $69 V5i op amps take the DX1 from being OK sound wise to being very good. For that reason, I have not included the base model Op-amps in the comparison section as it would duplicate the sound discussion. One S300iu integrated amplifier | Stereophile. I would have no problem staying with them, but I like tinkering. Jan 28, 2018 · Two cases were evalutated – in a Breeze Audio AK4495 based DAC, driving a ATHA5000 amp (listening via Beyer T1’s), and then driving a Grado RA1 clone (basically a CMOY circuit) to hear the amp character more closely through a set of Senn HD800. amp. 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. The OPA2134 and LM4562NA measured almost identically but both above NE5532. I don't care about listening tests or something else, just want to use the technical better one in my amp. The TL072 isn't great IMO. . LME49720 sound is boringand too light. This is a straight-to-the-point review, so don’t expect a long, detailed review on the sound quality. Consider running a quality ~2200 uF 35v smoothing capacitor at the positive & negative output. Opa1642 sounds a bit smoother and silky at top end but a little bit fat in the mids. Transients are stronger, both rimshots of snare drum and big-band trumpets. Mar 17, 2019 · Hi everyone - wanted to take the opportunity on this thread to introduce myself, I am the engineer that is assuming John's old role as Audio systems engineer in the precision op. The OP1656 is the exact opposite, while Dec 17, 2018 · Have a significantly better sound by upgrading the stock NE5532 op amps to something more ‘high end’ and modern like the OPA627-AP? How these op amps actually compares (sound wise) in your opinion? Jul 26, 2020 · Yes, here are my recommendations: 1) Replace your current fake* NE5532 Op Amps with real Op Amps like the OPA1656. This also means that Alpha audio and Hans Beekhuyzen are very wrong on the spdif output quality for the pro/pro+. My first set of separate OpAmps, ushering my foray into the brave new world of OpAmmetryLoL Dry, crisp, analytical and non-intrusive (as compared to the bold NE5532) is what I would describe this opamp as. Aug 3, 2013 · "Search, "Op amps in small signal audio design - Part-3" to see an analysis of the actual audio performance differences of the various op amps. It measures better to, with LM4562, but the difference is much smaller than the sound differences. Jan 5, 2020 · After some delay due to work load, some time wasted with talking and arguing to some holes in the wall in the Digital forums, and a false start with the PCB (used the wrong footprint for the OPA1612 DFN) here's the board with the composite I/V stage, OPA1612 + BUF634A and OPA1611 output. 1uF film caps on their outputs which doesn't roll off the bass inside the audio spectrum). I've had an OPA1612 lose its mind in a filter circuit where an LME49720 worked just fine. 5). I can easily compair them , one with NE5532 and the other with LM 4562. The xlr input and the trigger are two great additional features, as is the nice and efficient enclosure, however the mono is not true mono, and the 13 db of sinad lost is a bit disappointing, especially given a boost certainly not exceptional in power. 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. Feb 17, 2023 · Some will point out the OPA1612 (which is even better) or the OPA1656. Jul 5, 2006 · Hi All, Please advise what would be the best bet for a modern replacement of the NJM353 in my 12-15 years old vintage 4X60W Class A Zero Feedback car amplifier? Tried dual OPA627AU on adaptor but the sound is of reduced volume, of loss details and PCB is warmer than before and the noob in me did not realized the input current of 7mA X 2 or 14mA for the each of 4 dual adaptor as compared to However, swapping opamps seems to be more dependent on the surrounding circuitry, their quality and PCB layout, than the opamp itself. 1nV/√Hz Noise, Low THD and Precision. 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. The OPA1612 offers rail-to-rail output swing to within 600 mV with a 2 kΩ load, which increases headroom and maximizes dynamic range. Sound-stage increases, sound becomes more detailed without being harsh or sounding bright. Apr 17, 2022 · I think audio grade OPamps, in the right application, are very good. Mike Nov 25, 2015 · Ive compared the NE5532, NJM4556 and LM4562 so far. NE5532 is a very good amplifier especially for the price ($0. Dec 9, 2019 · The only device where I really noticed that an expensive opamp might make sense is the Matrix HPA-3B where the difference between SS V6 Classic and the default LME49720 was very obvious with sensitive cans (I'm only referring to background noise here; the audio quality was about the same in an A/B test). I bought 100 NE5532's for the same money, and the MUSES02 is basically about the same as an NE5532 without the high current handling I think. ) I did a test, for example, with upgrading a CS4398 DAC from NE5532 to LM4562NA and then OPA2134. the NE5532 which is 100 dB, so it can be expected that the distortion is lower on the LM4562. 000015% at 1kHz. 2) Buy a real Meanwell 24v PSU, then adjust the voltage all the way down to roughly ~21. I also really liked the OPA627 that I had in an audio-gd dac years ago. 2. 000015% at 1 kHz. Nov 9, 2012 · Sound is neutral and balanced with good sound-stage. This made it a pretty minimalistic set-up to get a close view of the opamp differences. It has the most stable input capacitance vs. Find parameters, ordering and quality information Aug 28, 2023 · 2. Nov 26, 2017 · thanks for your tips! i have tested the opa2604 and the LME49720 compared to the ne5532. 5Vdc. It is not a wider sound stage among those previous op-amps I have tested. 1-nV/√Hz as well as an extremely low distortion level of 0. Feb 11, 2021 · According to the TI datasheets OPA1612 has less noise than OPA1656. my opinion. It's specified to be competent for audio uses, something the 358 falls short on. common mode voltage that I've measured on any op amp. Use a simple resistor, or a J-fet with the IDSS trimmed to 3mA~5mA. NE5532 was VERY good in LF and midrange performance. r/audiophile is a subreddit for the pursuit of quality audio reproduction of all forms, budgets, and sizes of speakers. The NE5532 is perfectly fine. But that does not say anything about the SQ. The sensible upgrade is the NE5532. 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. the differences aren't huge, but big enough to make a change worthwhile. You need the circuit schematic really to figure out the noise impedance of the various stages, and any existing decoupling. Little Dot I+, Burson Audio V5 ($79) vs V5i We would like to show you a description here but the site won’t allow us. The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. bipolar in the NE5532) there may some perceivable performance differences. 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. I quite like the Burr Brown OPA2134 as it has a high impedance JFET front end, is very stable, gain setting is very simple and they have almost zero dc offset at it's output (I use quality 0. com In no case did I have too high expectations regarding the sound Apr 6, 2020 · The NE5532 supports a max supply voltage of +/-22Vdc and a nominal supply of +/-15Vdc. I have tried ne5532, opa2604, lm4562 and opa1612 and I prefered LM 4562 in both Aiyima a07 and the tpa3251-based Aiyima a04. 5 Euro OP275 ~ 3 Euro OPA1612 ~ 6 Euro According to specs I would think the OPA1642 would be one of the best compromises cost vs performance wise. Certain companies focus more on one aspect than others. 8 bucks for a genuine part. Dec 10, 2015 · A fair question! And although I was the product definer and systems lead for this part, I don't get 100% control over the marketing folks But, I can honestly say that when we started working on this part about a year ago, I was very adamant that I didn't want to create a part with excellent specs but terrible sound quality in the real world. It appears that the May 21, 2023 · The 5532’s sound congested, with a dry “mechanical” sound in which music doesn’t flow quite as well, and doesn’t sound as alive as it will with better op-amps. The OPA1611 and OPA1612 offer rail-to-rail output swing to within 600 mV with a 2-kΩ load, which increases headroom and maximizes dynamic range. but the difference between opa2604 and LME49720 is much smaller than the difference between these two compared to the original ne5532. I also have been an audio enthusiast for quite a while, having tinkered or created several guitar effects/amps. Voice reproduction was BEST in the NE5532 ! Unfortunately it was a bit low in the HF. I got a TI NE5532 off ebay. It is the best $1 opamp you can get! Sure, there are opamps that perform better spec-wise---the LM4562/LME49720 is the best PDIP-8 available, only surpassed in the bipolar world by the SOIC-only OPA1612. With proper decoupling the 5532 can sound pretty good. TI’s OPA1612 is a SoundPlus™ Audio Operational Amplifier with 1. IMHO the outcome was mostly decided by how the opamps responded to the RF coming out of the dac chip. Transients were still good but the HF levels seemed to be a bit rounded off. The key point I'd suggest you to take into consideration, is that audio is the easiest part of a PC system that can be compensated for through an external alternative, and as you are already aware of, this offers substantially more potential in terms of quality 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. LM is the best overall, it sounds the most balanced, very natural/smooth/clean, doesnt exaggerate anything but can sound lacking in impact. Mar 17, 2019 · The OPA1641 would be slightly better. Oct 8, 2001 · It (in its present-day format of the NE5534) has remained at the top of audio quality ever since. You really don't want a tl072 dealing with 20mA into such low impedances. New comments cannot be posted and votes cannot be cast. I understand that this isn't the advice you ask for, but I'd still want to suggest you to put some additional thought into this. Oct 15, 2014 · Texas Instruments' OPA1612 (dual) bipolar-input operational amplifier achieves very low 1. Jan 10, 2016 · I talked yesterday to my buddy Greg B. I hesitate to recommend those without simulating the circuit. The open-loop bandwidth on LM4562 is 140 dB, vs. Mar 30, 2012 · I have a Crate VC508 guitar amplifier that many recommend modding by replacing the TL072CP opamp chip. The TI OPA1612 dual operational amplifier benefits from excellent technical characteristics, allowing very good electrical and audio performance. - MUSES01 outclasses all the OPAMPs from above when used in I/V stage of a DAC. It has a strong output stage as well as JFET inputs. It's supposed to be a stright up replacement but it's about a third of the size. The NE5532 is used everywhere as its sound profile is designed to catch people's attention. Mar 22, 2022 · OPA1612 (soic on dil adapter board), bi-polar from input to output, again a very good opamp, which to me "sounds more balanced" top to bottom than the LME, it is just as dynamic, but just a little less obvious in the bass leading edge because the mid-range seems a little more fleshed out rich and full bodied, highs are just as good as the LME. If the NE5532 improved its HF performance it would sound the best of all these by a reasonable margin . For example with the Sony Xm3's, Sony's focus for the earbuds IS sound quality, to sound better than the competitors, but they lack focus on every other aspect like Call Quality, and bluetooth range etc. Frankly, this product has some points in favor but some against it. May 23, 2018 · The first time I did test with opa1642 opa2156 (precision opamp version of opa1656) opa1612. Bass is also fairly one-note and lacks a bit of impact, and each instrument sounds less distinct in the 5532’s congested stage than they do with better op-amps. Jun 19, 2021 · Some say it is the same as LME49720, but anyway this LM4562 is lot cheaper. #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 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. alongside with some aliexpress el`cheapos for like 2 buck a piece instead of 7. The LME49860 is another option. Replacements: For the 5532 the opa2211A or opa1612 as well as LT1358. the ne5532 looks a bit harder, narrower and more direct, the other two a bit more relaxed and Jun 10, 2010 · From my experience these older OP/ OPA op amps all sound vaious degrees of "not-that-great" (cloudy, lacking details, taking away punch/immediateness). The TLO72 has a very limited ability to drive a load, it's prone to latch up if the inputs are overloaded, and has many other "features" that make it undesirable for audio in my opinion. This is a highly recommended tweak in my opinion and I honestly cannot believe the difference in sound quality that’s achieved by using changing the op amps. Click to expand I have my A04 equipped with a pair of Oracle 02 op amps which apparently have been torn down by an Ali express customer and found to be an modded opa1612. Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. How to choose between lm4562 vs ne5532. (Digidesign and E-MU. I did not get paid for saying something good or bad. Sound is more "color", and "massive". Especially on the sound-stage and overall music presentation is more forward with this LM4562. OPA1612 sounds better than any transistor preamp I've ever heard and better then my own 6N6P 2 case -no barrels hold- 36kg monster preamp with a 100% double blind test win rate. • audio·phile: a person with love for, affinity towards or obsession with high-quality playback of sound and music. Jul 4, 2009 · If I'm in the mood for that so called "burr-brown" slower lazier sound I prefer the OPA2228 but as with my comments about the AD8066 below you can't just drop that into any old circuit and get good results - the OPA2227 is a more drop in replacement but doesn't sound quite the same as the 2228. 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 Oct 8, 2001 · TI/Burr Brown's OPA2604 is a good alternative as well. 00 : Crosstalk - 110dB PSRR - 80dB min, typ 100dB Distortion - 0. (NOTE: We once owned a recording studio together back in the late 1970's through the early 1980's. The LM4562 will improve the performance measurably as it has much lower THD than 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. Jun 5, 2023 · After working with some OPA1612 on my recent Topping PA5 D01 Module replacement project (at ASR), a friend sent me a few OPA1612 opamps he ordered when they were in stock since i couldnt get them anywhere. 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. The TL072 is around a half inch rectangle with 8 legs going into a socket. Because of (at least) the input stage differences (JFET vs. Other cheap ones on my radar - OPA2134PA, OPA1612, LM4562NA. strangely its probably the most boring sounding one when paired with 400i but the best sounding with hd600 Apr 16, 2011 · Using relays to switch out unneeded audio sources that can contribute noise also can help. Jul 4, 2021 · This doesn't look like a high quality pcb and it would be easy to lift traces. ) He talked to me about OPA1611's versus OPA134's as well as the OPA1612's versus OPA2134's. However some manufactures (eg, NAD 3150) went for +/-18. Feb 11, 2021 · I am using interfaces that come with NJM2068, NE5532 and TL074 stock. Choosing between the LM4562 and NE5532 depends on your specific application requirements and priorities. OPA1612 is fuller sounding - especially lower midrange but also more dynamic. It sounds so neutral like a NE5532, but more spacious and with a lot of details. who builds large PA speaker systems. For instance, if cost isn't an issue, OPA1612 is an (extraordinarily overkill) upgrade in just about every way. It ensures a very low noise density of 1. A caution; when replacing parts on older high powered amplifiers is that any change of transistor types may upset the stability of the amplifier. edit: looking closer at the pics, the I/V resistors are 390R (about half the datasheet values, which makes sense as they // the outputs). 1-nV/√ Hz noise density with an ultralow distortion of 0. The old NE5532 is showing it's age now. 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. Mar 5, 2007 · 3. 6v. rwbmbabiabinikuhkplhjnebrbzcsnbkxxhkrigrczcroghhtuzds
