Opa1612 vs opa1642 sound quality vs opa16
Opa1612 vs opa1642 sound quality vs opa16. ) He talked to me about OPA1611's versus OPA134's as well as the OPA1612's versus OPA2134's. 1 nV/√Hz at 1 kHz • Ultralow Distortion: 0. 00005%), a low input bias current of 2 pA, and low quiescent current of 1. The OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit. These sound great and outshine many of the other modern high performance audio opamps out there today. These devices also offer rail-to-rail output swing to within 800 mV with a 2-kΩ load, which increases headroom and maximizes dynamic range. That final phrase is not a happy thing to see on a datasheet from a major manufacturer; the sound of JFETs (if any) would be the sound of high distortion. 3nV/rtHz) and distortion (-124dB), wide bandwidth (22MHz) audio op amp. 3V inside of each supply. 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. 25 V to ±18 V Feb 17, 2023 · The OPA1622 is a slow device compared to the OPA1612/OPA1656. . One good example is XU09 portable headphone amplifier. 00005% at 1 kHz The OPA1611 (single) and OPA1612 (dual) bipolar-1• Superior Sound Quality input operational amplifiers achieve very low • Ultralow Noise: 1. These devices also feature excellent output current drive capability, offering rail-to-rail output swing to within 250 mV of the power supplies with a 2‑kΩ load, and can deliver 100 mA of output current. group at Texas Instruments. Just give us the facts, please. I have a 1988 carver stereo per-amplifier. Without scoping the outputs or measuring the DAC there's no telling if • Audio Effects Processors • Musical Instruments • A/V Receivers • DVD and Blu-Ray™ Players • Car Audio Systems 3 Description The OPA1652 (dual) and OPA1654 (quad) FET-input operational amplifiers achieve a low 4. The OPA165x operate over a very wide supply range 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. TI’s OPA1662 is a Dual SoundPlus™ low noise (3. 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. 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. May 9, 2023 · Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. the best sounding is OPA1612 ,not for driving headphones -low output current drive ,3ma current consumption ---then opa2134 the best all around as preamplifier it can be used at high gain 6-10 times,very good sounding and Musical,good for biassing in class A. It ensures a very low noise density of 1. I no nothing about this. Aol which improves audio signal fidelity. 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. This made it a pretty minimalistic set-up to get a close view of the opamp differences. Mar 14, 2010 · Overall balance with new amp is a little darker but with better transients. 25 nV/√Hz • High speed: – Slew rate: 72 V/μs – Gain bandwidth product: 180 MHz • Fully differential architecture: – Balanced input and output converts single- Superior Sound Quality; True JFET Input Operational Amplifier With Low Input Bias Current; Low Noise: 5. The amp Nov 30, 2021 · Stability should be considered especially with the wider bandwidth of the OPA1656. Strange but found too many times to ignore it. 5-nV/√Hz noise density with an ultra-low distortion of 0. 000. 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. 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. Mar 7, 2019 · Sometime I use OPA1612, OPA1642 and OPA1622. 1nV/sqrt(Hz) and 0. not going into high frequency oscillation) are different and just swapping ICs may cause problems -- you might need to add some compensation for the OPA1678, depending on The OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit. Hi there probaly a simple question maybe not. 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 don't care about listening tests or something else, just want to use the technical better one in my amp. May 9, 2023 · Hello together, i want to put one of the mentioned OP Amps in my amp. Sam, Kai, I realize looking back at my answer above that I worded it a little poorly. I did not get paid for saying something good or bad. These devices also have a high output drive capability of – Device CDM Classification Level C6 ±30 mA. 2. edit: looking closer at the pics, the I/V resistors are 390R (about half the datasheet values, which makes sense as they // the outputs). however I cannot source an OPA164x at the moment, seems to be some kind of shortage. I also have been an audio enthusiast for quite a while, having tinkered or created several guitar effects/amps. Is the 2134 the right choice. +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. Feb 11, 2021 · According to the TI datasheets OPA1612 has less noise than OPA1656. OPA2134 is basic hi quality Op-Amp and all rounder Op-Amp with great sound. This is a straight-to-the-point review, so don’t expect a long, detailed review on the sound quality. tnt-audio. 000015% THD or the OPA1642 if JFET is the way to go. The OPA1612 offers a warmer sound while maintaining a silky smooth and extended top end. Oct 15, 2014 · Texas Instruments' OPA1612 (dual) bipolar-input operational amplifier achieves very low 1. 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. It might require more capacitance in the LPF of the I/V stage to keep it happy Vs the others. Feb 11, 2021 · The idea is that the bipolars give accuracy and low noise, while the JFETs give speed and ‘the sound quality of JFETs’. This is based on my experience with the V5i-D. Jun 5, 2023 · Although specifications of OPA1612 (bipolar) indicate they are superior to that of OPA1642 (JFET inputs) in practice OPA1642 performs slightly better. It was recently re-capped and all new guts put in . The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. The OPA1652 and OPA1654 op amps offer rail- Dec 28, 2017 · There are some things to watch out for when swapping op amps. For example the OPA1678 has a much higher gain-bandwidth product than TL072 and different output impedance, which means that the criteria for it being stable (i. 2-nV/√ Hz noise density and distortion of –127 dB at 1 kHz. • Superior Sound May 15, 2022 · Buggle2 Riaa board. Goggle bill d mod carver c-1. And this preamp sounds MUCH better than Audio Research, Burmester and Accuphase preamps costing above €10. 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. 707dBc=0. Anything can be adapted to anything, even 8 pin dip to 8 pin soic. 000015% at 1kHz. 8 mA per channel. 000028% • Low noise: 1. For audio the OPA1642 is probably The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. The OPA1611 and OPA1612 Jun 7, 2016 · Sound Quality Disclaimer: 1. It has the most stable input capacitance vs. . The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. who builds large PA speaker systems. 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 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. OPA1612 is open sounding but is a little warmer possibly because of the lower midrange roundness. amp. 00005% at 1 kHz May 26, 2020 · I can see that a lot of hobby builders tend to use the discrete solution, but I can also see that some of the high-end Op-Amps are hitting distortion and noise figures that i would think is hard to beat like the OPA1612 with its 1. But that does not say anything about the SQ. These three Op-Amps sounds great. 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. common mode voltage that I've measured on any op amp. 1 nV/√Hz at 1 kHz 1. Now all the folks are using opa2134 op -amps as the replacement. ••• Jan 10, 2016 · I talked yesterday to my buddy Greg B. 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). 00005% at 1 kHz Jun 8, 2023 · THD=-117. 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. It appears that the 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. 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. 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 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 Mar 17, 2019 · The OPA1641 would be slightly better. You really don't want a tl072 dealing with 20mA into such low impedances. 1-nV/√Hz as well as an extremely low distortion level of 0. The OPA169x operational amplifiers achieve a new level of performance for low-power amplifiers with a low 4. May 3, 2022 · I've seen people use OPA1642/1644 a replacements for the NJM4580s and TL074s on these amps. 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. 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. 00005% at 1 kHz Jun 19, 2021 · The OPA1642 has more open at the high frequency, it is more detail but it noticeable sharp and edgy sound. 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 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. Output Current characteristic curves seem to behave in opposite manners. Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. 1 nV/√ Hz at 1 kHz; Ultralow Distortion: 0. This feature, in combination Jul 4, 2021 · This doesn't look like a high quality pcb and it would be easy to lift traces. e. The OPA1611 and OPA1612 The OPA1611 (single) and OPA1612 (dual) bipolar-1• Superior Sound Quality input operational amplifiers achieve very low • Ultralow Noise: 1. Before any modifications I use shematics to see what i need to choose between these four Op-Amps. Find parameters, ordering and quality information 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. So far I don't hear any harsh sibilants (very clean) but it is virtue of my speakers. Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. The better units use OPA1612 op amps, while the A6 uses OPA1642, which costs half the better one. 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 noise density with an ultralow distortion of • Ultralow Distortion: 0. For OPA1642, the output current (limit) appears to increase with increasing temperature. Features include 5. A true FET input stage is incorporated to provide excellent sound quality and speed for exceptional audio performance. Last edited: 2023-06-06 6:15 am High-Fidelity Sound Quality; Ultralow Noise: 2. The TI OPA1612 dual operational amplifier benefits from excellent technical characteristics, allowing very good electrical and audio performance. 00005% at 1 kHz. 8 nV/√ Hz at 1 kHz; Ultralow Total Harmonic Distortion + Noise: –119 dB THD+N (142 mW/Ch into 32 Ω/Ch) Wide Gain Bandwidth Product: The OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit. MUSES8820 is the best, IMHO. Regards, Richard Last edited: 2010-01-18 4:37 pm 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. What else, maybe cleaner more resolved sound at congested parts. The output swing for Aol should be considered as it is different between the two devices. 1-nV/√ Hz noise, low THD+N (0. 1-nV/√ Hz noise density with an ultralow distortion of 0. To accommodate the power-supply constraints of many types of audio products, the OPA167x operate over a very-wide supply range of ±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. 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. (–129 dB) at 20 kHz, and improves audio signal fidelity across the full audio bandwidth. 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. TI was going to discontinue the LM4562 and others as well. OPA1632 High-Performance, Fully Differential Audio Operational Amplifier 1 Features • Excellent sound quality • Ultra low distortion: 0. Also the OPA1612 does have the highest quiescent over the other opamps we're talking about it will be the hottest. Mar 22, 2022 · Sound quality was my first priority, as for form factor, no problem doing 8 pin soic to dip. Aug 24, 2012 · i tryed lme49722 opa2134 and opa1612 ,--. Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). Everything that I wrote here are “IMHO” and as is. 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. Hi team, The following two sets of Output Voltage vs. 000015% at 1 kHz. For example, Aol for the OPA1656 with a 600 ohm load will have a linear output swing that is 1. 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 Jul 25, 2016 · Even IF the new Op Amp were 15 times better than the old one, the circuit is not made to take advantage of that, sound/performance will improve only IF the old part was used beyond maximum performance (say, a 741 asked to deliver clean 20kHz at a significant level) and were the only limiting factor. --lme49722 lme4562 lm4562 opamp is very good sound ,higher ratings than opa2134 -but not as Part Number: OPA1642 Other Parts Discussed in Thread: OPA1652. 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. 1 nV/√Hz noise density with an ultra-low distortion of 0. In this case, because of the way the circuit is designed, the voltage and current noise of the op amp itself effectively appear inside the feedback loop, and so should be corrected for by the op amp's loop gain itself (at least until the op amp runs out of loop gain at high frequency). 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. com This is also where there is another big difference between the basic A6 and the A6 Master and A8. Thanks in I'm with Jim here. hmi buacozs wmgmjgm ofmmy ktu gjycda fjweu sshfuz vdbw uere