Opa1612 vs opa1642 sound quality redditl

Opa1612 vs opa1642 sound quality reddit. From what I know the OPA1656 is currently the highest-spec audio grade standard opamp that TI offers. Everything that I wrote here are “IMHO” and as is. 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. This feature, in combination 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. Mar 17, 2019 · It's not always systematic, but in this case: OPA: Op Amp (or grandpa in German ) 16: Audio 5: CMOS Process technology (OPA1652 is CMOS, so I figured I would put my CMOS audio developments here) 6: Next numbers up after the OPA1652/54 family, that leaves OPA1655/56/57 for single/dual/quad of the new device In the case of precision amplifiers Feb 4, 2014 · Ti and others do have interest to make them at the same level as its primary production line of OPA class IC-s. 1-nV/√ Hz noise density with an ultralow distortion of 0. Jun 19, 2021 · The OPA1642 has more open at the high frequency, it is more detail but it noticeable sharp and edgy sound. This is a straight-to-the-point review, so don’t expect a long, detailed review on the sound quality. May 23, 2018 · The first time I did test with opa1642 opa2156 (precision opamp version of opa1656) opa1612. The NJM4560DX does not appear to be FET type, though I thought a FET type like OPA1642 would suit this circuit? or maybe OPA1612 which isnt FET like the Jun 7, 2016 · Sound Quality Disclaimer: 1. LME49720 sound is boringand too light. I got free shipping with Element14 till 29th of this month Jun 5, 2023 · Although specifications of OPA1612 (bipolar) indicate they are superior to that of OPA1642 (JFET inputs) in practice OPA1642 performs slightly better. This is based on my experience with the V5i-D. It has the most stable input capacitance vs. 1-nV/√Hz noise density with an ultralow distortion of • Ultralow Distortion: 0. com/blogs/news/opa2156-hifi-in-cmos. . But that does not say anything about the SQ. 1/f corners: OPA1612 ---- 10 Hz OPA1642 ---- 20 Hz OPA1656 ---- 1 kHz OPA2162 ---- 1 kHz It also looks like the OPA1642 and OPA2162 are not happy driving 600 ohms, but the OP Amp Rolling: the Philips CD753 (aka Marantz CD5000) with MUSES8820 vs OPA1692 vs LME49723 and Others - an article by Paul Hunting on TNT-Audio, Internet HiFi magazine, www. Also the OPA1612 does have the highest quiescent over the other opamps we're talking about it will be the hottest. These three Op-Amps sounds great. OPAs 1642 and 1656 MUCH MUCH better. however I cannot source an OPA164x at the moment, seems to be some kind of shortage. r/audiophile is a subreddit for the pursuit of quality audio reproduction of all forms, budgets, and sizes of speakers. What else, maybe cleaner more resolved sound at congested parts. Feb 17, 2023 · The OPA1622 is a slow device compared to the OPA1612/OPA1656. But, this is only If I have to modify something that comes with very old OPAmps. Strange but found too many times to ignore it. The OPA1611 and OPA1612 Certain companies focus more on one aspect than others. I have a Technics MASH cd player with the SMDs type of opamps needed. One good example is XU09 portable headphone amplifier. You can also try OPA1612 as buffer with OPA2822 for the headphone driver. Our primary goal is insightful discussion of home audio equipment, sources, music, and concepts. 00005% at 1 kHz 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 · 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. I also refurbish large format recording consoles. Last edited: 2023-06-06 6:15 am Oct 15, 2014 · Texas Instruments' OPA1612 (dual) bipolar-input operational amplifier achieves very low 1. The OPA1642 has the JFET input stage- thus reducing the input current noise- reduced common mode input distortion and sensitivity to source impedances, and lower standing current going for Mar 14, 2010 · Overall balance with new amp is a little darker but with better transients. If your phone, MP3 player, computer, etc (whatever your audio source is) has a good DAC then it might be good to go this route since the source device will decode the digital signal into an analog signal and send the analog signal out to your Feb 28, 2021 · The new breed of TI J-Fet opamps offer superior performance to that old soldier the OPA2134. 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. Other Parts Discussed in Thread: OPA1612, OPA1642, RC4136 I use these amplifiers for pro audio. I also have been an audio enthusiast for quite a while, having tinkered or created several guitar effects/amps. I don't care about listening tests or something else, just want to use the technical better one in my amp. Aside from the inconvenience of getting dongles and the various compatibility issues, what is the reason why 3. OPA1641, OPA1642, OPA1644 SBOS484D –DECEMBER 2009–REVISED APRIL 2016 OPA164x SoundPlus™ High-Performance, JFET-Input Audio Operational Amplifiers 1 1 Features 1• Superior Sound Quality • True JFET Input Operational Amplifier With Low Input Bias Current • Low Noise: 5. 00005% at 1 kHz OPA1641, OPA1642, OPA1644 SBOS484D –DECEMBER 2009–REVISED APRIL 2016 OPA164x SoundPlus™ High-Performance, JFET-Input Audio Operational Amplifiers 1 1 Features 1• Superior Sound Quality • True JFET Input Operational Amplifier With Low Input Bias Current • Low Noise: 5. 000015% at 1kHz. Aug 3, 2019 · The OPA1642 is the best choice that you can make other than incredibly expensive ones that provide very, very, slightly less noise and higher distortion. 000. For high source impedance sensors such as a phono cartridge lower current noise is better. May 3, 2022 · I've seen people use OPA1642/1644 a replacements for the NJM4580s and TL074s on these amps. OPA1656 sounded worst, Muses 8920 sounded best. May 9, 2023 · Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. TI’s OPA1662 is a Dual SoundPlus™ low noise (3. And this preamp sounds MUCH better than Audio Research, Burmester and Accuphase preamps costing above €10. tnt-audio. 00 : Crosstalk - 110dB PSRR - 80dB min, typ 100dB Distortion - 0. 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. You really don't want a tl072 dealing with 20mA into such low impedances. • audio·phile: a person with love for, affinity towards or obsession with high-quality playback of sound and music. It ensures a very low noise density of 1. Sound is more "color", and "massive". 000015% at 1 kHz. One S300iu integrated amplifier | Stereophile. Best regards! A comprehensive comparison between OPA1612 and OPA2156 (and other opamps) could be read here: https://quantasylum. I like the OPA1642 due to its MUCH reduced bandwidth compared to the 1656 (11MHz vs, 55 Using AUX in, the audio quality is based on the source device's digital to analog converter (DAC). Both fet based opamps sounds a little bit more solid in the bass (not quantity but the imaging and the texture). The OPA827 for example has superior load drive,much lower distortion and miniscule DC offset. Superior Sound Quality; True JFET Input Operational Amplifier With Low Input Bias Current; Low Noise: 5. 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. 8 mA per channel. The OPA1611 and OPA1612 Jun 18, 2019 · Hello everyone, I have the DAC Emotiva XDA-1 preamp with the DAC Analog Devices AD1955 and Burr Brown OPA-2134 op-amps, I want to update to the Burson Audio Play with the DAC: ESS Technology SABRE32 / ESS9018 and NE5532 X 3, NE554 X 2 op-amps, would it be a good update to the Burson Audio? thank you very much to all. It might require more capacitance in the LPF of the I/V stage to keep it happy Vs the others. common mode voltage that I've measured on any op amp. I personally decided a few years back, that it was time for me to get rid of all ICs and sound coupling caps in my signal chain. The OPA1642 is also theoretically the best choice for the unity and x2 stages in the output buffer, although the LME49720 is a very close second. 1 nV/√Hz at 1 kHz 1. ••• We would like to show you a description here but the site won’t allow us. amp. May 19, 2004 · If you're looking for an opamp substitution, I'd try OPA1642 to replace OPA2604. Before any modifications I use shematics to see what i need to choose between these four Op-Amps. edit: looking closer at the pics, the I/V resistors are 390R (about half the datasheet values, which makes sense as they // the outputs). Thanks in advance. ah so much other untested opa's 1678 still on my list ina1620. Mar 17, 2019 · The OPA1641 would be slightly better. The OPA1612 offers rail-to-rail output swing to within 600 mV with a 2 kΩ load, which increases headroom and maximizes dynamic range. Dec 9, 2019 · Home: RME ADI-2 Pro FS R BE—Neumann KH80 DSP, Arendal Sound 1723 1S Work from Home: JDS Labs Atom—Etymotic ER4SR, AKG K371, Sennheiser HD820 Measurement: Earthworks M30 (Reed R8090)—Earthworks ZDT 1021 — RME ADI-2 Pro FS R BE — REW Jul 5, 2006 · Personally I prefer LM4562, OPA2228 and OPA1612 over OPA1642 because of the input noise that makes it sound less pristine. 1-nV/√Hz as well as an extremely low distortion level of 0. The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. 1 nV/√Hz at 1 kHz • Ultralow Distortion: 0. Feb 11, 2021 · According to the TI datasheets OPA1612 has less noise than OPA1656. Jul 25, 2016 · Hello all My Marantz and most of my CD players have the LM4562 which I find is great. com In no case did I have too high expectations regarding the sound The OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit. A true FET input stage is incorporated to provide excellent sound quality and speed for exceptional audio performance. 1-nV/√ Hz noise, low THD+N (0. I must test muses now. Any futher recommendations? my favs 1642/1656, 1612, lme49720na 2xopa627bp, ••• Jul 30, 2021 · If I could also request test of: OPA1642 ~ 2 Euro OPA1656 ~ 2. 2. IMHO the outcome was mostly decided by how the opamps responded to the RF coming out of the dac chip. Just check the rails aren't over +/-18V. 00005% at 1 kHz Jul 5, 2006 · Don't mean to be ungrateful but OPA2107 seems to be an easier option now especially still not sure how others rate the sound quality of OPA1642. The OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit. 5mm jacks are so desired over USB-C and perceived as better in sound/audio quality? Archived post. OPA2134 is basic hi quality Op-Amp and all rounder Op-Amp with great sound. I can easily compair them , one with NE5532 and the other with LM 4562. Hello, I am looking at replacing the old JRC opamp in my phonostage of my amplifier. Only really better substitution for NJM4580 for example as Pre-Amp can be no less then OPA2228 or even better OPA1612, but for that -3dB less noise (and distortion) over whole audio spectrum you will have to play premium extra. Mar 17, 2019 · Rolling opa1642, opa1612, muses8920, 2xopa627bp, lme49720na, opa2134. com Apr 25, 2024 · The OPA1642 has much lower current noise and better 1/f noise than the OPA1656. May 15, 2022 · Now i tested opa1612 with lme49720 and 1612 is better in my opinion. It measures better to, with LM4562, but the difference is much smaller than the sound differences. So far I don't hear any harsh sibilants (very clean) but it is virtue of my speakers. This combination will sound slightly more clinical than the OPA2228/OPA2822 combination THD+Noise vs Frequency 3 Description The OPA134, OPA2134, and OPA4134 (OPAx134) series are ultra-low distortion, low-noise operational amplifiers fully specified for audio applications. OPA1612 is open sounding but is a little warmer possibly because of the lower midrange roundness. When I do serious listening test between them, just an A - B testing, not back and forth, I found the OPA1642 creates more noise at upper frequency because of those high frequency details. ) He talked to me about OPA1611's versus OPA134's as well as the OPA1612's versus OPA2134's. Part Number: OPA1642 Other Parts Discussed in Thread: OPA1612, , OPA1652, OPA1688, OPA1662, OPA1602. Feb 11, 2021 · The next op-amp I am planning to try is the OPA1612 but perhaps the DAC is the limiting factor and perhaps the measurements will look very similar to the OPA2134 even if the OPA1612 is a really good op-amp. My favorites at the moment opa1642 and this one opa1656. 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. 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. Find parameters, ordering and quality information Feb 11, 2021 · I think the problem I'm seeing with the OPA2156, and to a lesser extent the OPA1656 is that the 1/f knee for the noise is much higher than for the OPA1612 and OPA1642. The higher current drive of the OPA2822 would be beneficial. group at Texas Instruments. Can anybody please suggest some drop in replacements chips? I do little/no audio electronics so don't know what's good in this regard other than matching up the specs. The OPA1611 (single) and OPA1612 (dual) bipolar-1• Superior Sound Quality input operational amplifiers achieve very low • Ultralow Noise: 1. 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 10, 2016 · I talked yesterday to my buddy Greg B. I did not get paid for saying something good or bad. These days the likes of OPA1642 / OPA1612 are routinely used, so I leave those alone. 1 nV/√Hz noise density with an ultra-low distortion of 0. 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. The current noise paired with high source impedance translates into additional voltage noise on the input and this gets amplified by the gain in the design. Regards, Richard Last edited: 2010-01-18 4:37 pm Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). But I really like the FET's in that position. 00005% at 1 kHz 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. (NOTE: We once owned a recording studio together back in the late 1970's through the early 1980's. The OPA1642 is “one step down” but still very highly rated, and it is JFET-input which should give a low enough DC-offset to be used directly in this kind of application. 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. 1 nV/√ Hz at 1 kHz; Ultralow Distortion: 0. 00005% at 1 kHz The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. 00005%), a low input bias current of 2 pA, and low quiescent current of 1. Jul 4, 2021 · This doesn't look like a high quality pcb and it would be easy to lift traces. who builds large PA speaker systems. 3nV/rtHz) and distortion (-124dB), wide bandwidth (22MHz) audio op amp. For the case of 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. Feb 4, 2014 · Stunning. 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. Features include 5. Mar 7, 2019 · Sometime I use OPA1612, OPA1642 and OPA1622. At this point noise and ultra low noise supplies might be the last area I should put more effort into for this interface. The TI OPA1612 dual operational amplifier benefits from excellent technical characteristics, allowing very good electrical and audio performance. I love details clarity, soundstage - listen to rock classical and vocals. Currently, I require opamps in the DIP package. It appears that the The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. Opa1642 sounds a bit smoother and silky at top end but a little bit fat in the mids. Apr 5, 2021 · The original amp has the OPA1656 and the other has the OPA1642. Jun 5, 2023 · The OPA1642 is significantly inferior to the OPA1612 in many regards (GPW product, output drive, distortion vs output load, input voltage noise for example). 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. pbbb mjklp nmefs mkcvkj ltlav xbmom gbqfmb tkiouj hhdf mcuh