Opa1612 vs opa1642 sound quality

Opa1612 vs opa1642 sound quality. 00005%), a low input bias current of 2 pA, and low quiescent current of 1. 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. Superior Sound Quality; Precision Operational Amplifier OPA1612 — SoundPlus™ Audio Operational Amplifier with 1. The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. 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 OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. I also have been an audio enthusiast for quite a while, having tinkered or created several guitar effects/amps. 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. Products Precision op amps (Vos<1mV) INA1620 — High-fidelity audio operational amplifier with integrated thin-film resistors and EMI filtering OPA130 — Single, 1-MHz, 20-pA bias current, 530-µA power, FET operational amplifier OPA131 — Single, 4-MHz, 50-pA bias current, 750-µA power, FET operational amplifier OPA140 — Single-channel, 11-MHz, low-noise 36-V JFET precision operational Oct 15, 2014 · Texas Instruments' OPA1612 (dual) bipolar-input operational amplifier achieves very low 1. . The OPA1652 (dual) and OPA1654 (quad) FET-input operational amplifiers achieve a low 4. Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. ) He talked to me about OPA1611's versus OPA134's as well as the OPA1612's versus OPA2134's. Regards, Richard Last edited: 2010-01-18 4:37 pm The TI OPA1612 dual operational amplifier benefits from excellent technical characteristics, allowing very good electrical and audio performance. 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 The OPA1611 (single) and OPA1612 (dual) bipolar-1• Superior Sound Quality input operational amplifiers achieve very low • Ultralow Noise: 1. Apr 25, 2024 · The OPA1642 has much lower current noise and better 1/f noise than the OPA1656. The higher current drive of the OPA2822 would be beneficial. TI’s OPA1612 is a SoundPlus™ Audio Operational Amplifier with 1. 5nV/√ Hz noise density with an ultralow distortion of 0. 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 The OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit. 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 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. however I cannot source an OPA164x at the moment, seems to be some kind of shortage. I love details clarity, soundstage - listen to rock classical and vocals. 1nV/√Hz Noise, Low THD and Precision. This op amps offer rail-to-rail output swing to within 200 mV of the power supplies with a 2-kΩ load, which increases headroom and maximizes dynamic ran May 3, 2023 · Focusing on a practical, hands-on perspective, George Ntanavaras, details the design and construction of a phono preamplifier for Moving Magnet (MM) cartridges and a Line/Headphone amplifier with two additional inputs and volume control. May 9, 2023 · Hello together, i want to put one of the mentioned OP Amps in my amp. I too find that the OPA1612 and OPA1642 are fantastic upgrade/replacements in a whole lot of professional and consumer audio gear out there equipped with comparatively outdated opamps. It has the most stable input capacitance vs. 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. May 3, 2022 · I've seen people use OPA1642/1644 a replacements for the NJM4580s and TL074s on these amps. But that does not say anything about the SQ. 000. OPA1656 tends to have thin bass in comparison to OPA1612. Jan 10, 2016 · I talked yesterday to my buddy Greg B. 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. Is the 2134 the right choice. Opa1642 sounds a bit smoother and silky at top end but a little bit fat in the mids. This is based on my experience with the V5i-D. The OPA169x operational amplifiers achieve a new level of performance for low-power amplifiers with a low 4. The OPA1611 and OPA1612 May 15, 2022 · Buggle2 Riaa board. Jun 7, 2016 · Sound Quality Disclaimer: 1. 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. 1 nV/√Hz at 1 kHz 1. Old op-amps such as the LF412 and TL072 are more than good enough for 99% of audio applications. A true FET input stage is incorporated to provide excellent sound quality and speed for exceptional audio performance. 00005% at 1 kHz 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. 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. Thanks in The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. Hello, I am looking at replacing the old JRC opamp in my phonostage of my amplifier. Before any modifications I use shematics to see what i need to choose between these four 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. Sorry. group at Texas Instruments. com The OPA1611 (single) and OPA1612 (dual) bipolar-1• Superior Sound Quality input operational amplifiers achieve very low • Ultralow Noise: 1. It measures better to, with LM4562, but the difference is much smaller than the sound differences. 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. For high source impedance sensors such as a phono cartridge lower current noise is better. 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. com In no case did I have too high expectations regarding the sound 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. 1-nV/√Hz noise density with an ultralow distortion of • Ultralow Distortion: 0. 2. OPA2134 is basic hi quality Op-Amp and all rounder Op-Amp with great sound. 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. From what I know the OPA1656 is currently the highest-spec audio grade standard opamp that TI offers. 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 was recently re-capped and all new guts put in . You can try swapping opamps to find the least bad sound, that's about it. Both fet based opamps sounds a little bit more solid in the bass (not quantity but the imaging and the texture). 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. You really don't want a tl072 dealing with 20mA into such low impedances. 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. One S300iu integrated amplifier | Stereophile. Find parameters, ordering and quality information 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. Therefore distortion and or noise tend to be higher than for OPA1612. Feb 28, 2021 · The new breed of TI J-Fet opamps offer superior performance to that old soldier the OPA2134. . 1 nV/√Hz noise density with an ultra-low distortion of 0. It ensures a very low noise density of 1. 8 mA per channel. 00005% at 1 kHz 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. amp. 1-nV/√Hz as well as an extremely low distortion level of 0. My favorites at the moment opa1642 and this one opa1656. Mar 14, 2010 · OPA1612 is fuller sounding - especially lower midrange but also more dynamic. 5-nV/√ Hz noise density with an ultra-low distortion of 0. Jun 5, 2023 · Although specifications of OPA1612 (bipolar) indicate they are superior to that of OPA1642 (JFET inputs) in practice OPA1642 performs slightly better. 1nV/√Hz JFET-input audio op amp OPA1642 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. 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. I have a Technics MASH cd player with the SMDs type of opamps needed. These devices also have a high output drive capability of – Device CDM Classification Level C6 ±30 mA. One good example is XU09 portable headphone amplifier. who builds large PA speaker systems. 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. 00 : Crosstalk - 110dB PSRR - 80dB min, typ 100dB Distortion - 0. 00005% at 1 kHz. Hi there probaly a simple question maybe not. Mar 17, 2019 · The OPA1641 would be slightly better. • Superior Sound 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. Jul 4, 2021 · This doesn't look like a high quality pcb and it would be easy to lift traces. 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. Goggle bill d mod carver c-1. I did not get paid for saying something good or bad. edit: looking closer at the pics, the I/V resistors are 390R (about half the datasheet values, which makes sense as they // the outputs). 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. 3nV/rtHz) and distortion (-124dB), wide bandwidth (22MHz) audio op amp. It appears that the 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. +125°C Ambient Operating Temperature OPA1612-Q1 device offers rail-to-rail output swing to Range within 600 mV with a 2-kΩload, which increases – Device HBM Classification Level 2 headroom and maximizes dynamic range. The amp Jul 5, 2006 · Personally I prefer LM4562, OPA2228 and OPA1612 over OPA1642 because of the input noise that makes it sound less pristine. Last edited: 2023-06-06 6:15 am Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). tnt-audio. 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. 1-nV/√ Hz noise, low THD+N (0. The OPA1602 and OPA1604 bipolar-input operational amplifiers achieve very low 2. I no nothing about this. The OPA1612 offers rail-to-rail output swing to within 600 mV with a 2 kΩ load, which increases headroom and maximizes dynamic range. The OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit. Strange but found too many times to ignore it. I have a 1988 carver stereo per-amplifier. the OPA1642 in the STD edition) featuring ultra-low noise and low distortion (1KHz 0. Features include 5. This is a straight-to-the-point review, so don’t expect a long, detailed review on the sound quality. MUSES8820 is the best, IMHO. This combination will sound slightly more clinical than the OPA2228/OPA2822 combination. These three Op-Amps sounds great. 1-nV/√ Hz noise density with an ultralow distortion of 0. 1 nV/√Hz at 1 kHz • Ultralow Distortion: 0. Mar 7, 2019 · Sometime I use OPA1612, OPA1642 and OPA1622. (NOTE: We once owned a recording studio together back in the late 1970's through the early 1980's. 000015%) Upgraded special gold faceplate badging and volume wheel trim All features from the Standard DMP-A6 Feb 17, 2023 · Also, most opamps can't handle the RF coming out of dac outputs. I can easily compair them , one with NE5532 and the other with LM 4562. Any futher recommendations? my favs 1642/1656, 1612, lme49720na 2xopa627bp, ••• The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. I don't care about listening tests or something else, just want to use the technical better one in my amp. 00005% at 1 kHz The OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit. Transients are stronger, both rimshots of snare drum and big-band trumpets. 2-nV/√ Hz noise density and distortion of –127 dB at 1 kHz. And this preamp sounds MUCH better than Audio Research, Burmester and Accuphase preamps costing above €10. common mode voltage that I've measured on any op amp. But I really like the FET's in that position. 000015% at 1kHz. All the amplification stages are based on top-quality audio op-amps such as Texas Instruments&#039; OPA1642 for the phono stage and OPA1612 for the Line Upgraded OPA1612 op-amp (vs. I got free shipping with Element14 till 29th of this month We would like to show you a description here but the site won’t allow us. Now all the folks are using opa2134 op -amps as the replacement. It is a little bit cleaner and perhaps because of that instruments are more defined in space. You can also try OPA1612 as buffer with OPA2822 for the headphone driver. For audio the OPA1642 is probably 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 Apr 5, 2021 · The original amp has the OPA1656 and the other has the OPA1642. 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 Jul 25, 2016 · Hello all My Marantz and most of my CD players have the LM4562 which I find is great. The OPA1602 and OPA1604 series of op amps offer rail-to-rail output swing to within 600mV with 2kΩ load, which increases headroom and maximizes dynamic range. This feature, in combination Part Number: OPA1642 Other Parts Discussed in Thread: OPA1612, , OPA1652, OPA1688, OPA1662, OPA1602. The OPA1652 and OPA1654 op amps offer rail-to-rail output swing to within 800 mV with a 2-kΩ load, which increases headroom and maximizes dynamic range. The OPA827 for example has superior load drive,much lower distortion and miniscule DC offset. 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? M500 SINAD is higher than DO300 with less op-amps. ••• Jun 19, 2021 · The OPA1642 has more open at the high frequency, it is more detail but it noticeable sharp and edgy sound. The OPA1611 and OPA1612 Mar 17, 2019 · Rolling opa1642, opa1612, muses8920, 2xopa627bp, lme49720na, opa2134. Find parameters, ordering and quality information We would like to show you a description here but the site won’t allow us. 然而这一切都是源自于取样时钟基准的高精度和高稳定度性。 传统CD机通常是用一枚石英晶体振荡器配合相应的时基分频处理电路来组成解码需要的时序电路，这样的电路优点是简单稳定，但时序的一致性并不理想，频率的飘移性和精确性不能保证最佳，从而可能导致较大的jitter（时基抖动）失真 The OPA1611 (single) and OPA1612 (dual) bipolar-1• Superior Sound Quality input operational amplifiers achieve very low • Ultralow Noise: 1. Everything that I wrote here are “IMHO” and as is. 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). 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. 00003% at 1kHz. Feb 11, 2021 · According to the TI datasheets OPA1612 has less noise than OPA1656. 000015% at 1 kHz. ah so much other untested opa's 1678 still on my list ina1620. The OPA1611 and OPA1612 TI’s OPA1662 is a Dual SoundPlus™ low noise (3. These sound great and outshine many of the other modern high performance audio opamps out there today. IOW, there is no opamp swap fix for a bad layout. May 23, 2018 · The first time I did test with opa1642 opa2156 (precision opamp version of opa1656) opa1612. pbqpo dsne gizpwp cutp mch yujpz nukp rkimc npgff tgtjcvq