Opa1642 sound quality review Joined Mar 23, 2013 Messages 123 Points 28 Location Bay area. tnt-audio. Features include 5. operational. Page 1: FiiO Company, K11 R2R, Packaging & Accessories, Design & Build Quality. Bad Guy Good Audio Reviews. 1nV/ √Hz at 1kHz. (But I always thought the 2132 sounded muddy. Yes it destroyed many many extreme expensive commercial preamps in the last 25 years. Night and day difference though. 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. Fit sockets to the PCB, cover the part numbers on the ICs and randomly swap them around to see if you can tell the difference. 4,90 € 4,08 €Ex. 1 nV/√Hz at 1 kHz • Ultralow Distortion: 0. 2021-09-24 5:06 am #566 2021-09-24 5:06 am #566 OPA1642 tested and approved. Sound-stage increases, sound becomes more detailed without being harsh or sounding bright. 00005% at 1 kHz OPA 2132P I do not find it suitable as it gives a warm sound while AD 823 is 100% neutral without counting the sharpness and also the detail. The NE5532 was clearly the worst sounding when listening after the clearest melody pitch, but one could be very lost in the evaluation If only listening to ” the sound of the music” - not following the instruments melodies and only listening to hifi jargongs like Sound is neutral and balanced with good sound-stage. I like Hifi sound, this isn't as dry as LME49860. Stereo and Multichannel Amplifier Reviews . ) Burr-Brown Audio IN - Pre-Output Driver OUT IN+ V+ V - OPA1641 OPA1642 OPA1644 www. kartikay Active Member. It measures better to, with LM4562, but the difference is much smaller than the sound differences. 00005% at 1 kHz 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 I had AD8620 before and I think this OPA1642 has a narrower soundstage. 00005% at 1 kHz Quality audio reviews . The OPA827 for example has superior load drive,much lower distortion and miniscule DC offset. Change Location. Mar 24, 2021 #3 NE5532 is dual channel opamp, so you can try few of Personally I'm pretty skeptical. r/audiophile is a subreddit for the pursuit of quality audio reproduction of all forms, budgets, and sizes of speakers. The FiiO A3 is good at what it does, nice volume control, detailed sound, and clean power. K. These sound great and outshine many of the other modern high performance audio opamps out there today. com SBOS484B – DECEMBER 2009– REVISED AUGUST 2010 ™ High-Performance,JFET-Input AUDIO OPERATIONAL AMPLIFIERS Check for Samples: OPA1641, OPA1642, OPA1644 1FEATURES DESCRIPTION 234• SUPERIOR SOUND QUALITY The OPAmps do make a lot of difference in sound quality. The ultralow distortion low Good morning. Below is some feedback from Lester from SylphAudio ( @jlesterp ) when I shared my measurement results with him. One more concern is that OPA1642 are surface mounted which means adaptor in my case 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. I repeat are you sure of your statements Click to expand As I managed to understand people mostly operate objective parameters on this forum. Let’s find out more about the latter! Sound – General. In particular, it has good dynamics and a low level of harmonic distortion. specified for audio applications. It sounds so neutral like a NE5532, but more spacious and with a lot of details. Logged floobydust. HiBy Music specializes in the research, development, and sales of high-quality portable audio products. The LPF is not only made by the combination of the resistors and capacitor network, but the op-amp Opa1642 sounds a bit smoother and silky at top end but a little bit fat in the 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. Similar Sound compared to OPA2134 but Bass is little better under control. English. And if they were offered in a DIP package, I think a whole new and large target • audio·phile: a person with love for, affinity towards or obsession with high-quality playback of sound and music. 2 and 176. OPA1641 (single), OPA1642 (dual), and. com • audio·phile: a person with love for, affinity towards or obsession with high-quality playback of sound and music. Author hawaiibadboy Posted on The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. 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. 1-nV/√Hz noise density with an ultralow distortion of The OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit. opa627 (in dual), lt1028 (in dual), lm6172 is too much speed, and are unstable in my tube-opamp hybrid preamplifier. About HiBy Music. 00005% at 1 kHz Update: I’m now getting a hissing sound when powering on and off the amp with the opa1642. Reply. This doesn't sound bad at all , of course not. I ended up with a Midas box, who have one of the best reputations among pro audio business. WITH LOW INPUT BIAS CURRENT. Kartapus. If you just wanted to use a single 5V supply, the OPA1671 is good. Headphones. Pretty good TI-Produkt OPA1612 ist ein(e) SoundPlus™ Audio-Operationsverstärker mit 1,1nV/√Hz Rauschen, niedrigem THD und Präzision. 1nV/√Hz noise, low THD+N (0. And objectively LM4562 is better then OPA2132/2134, surely. They have professional R&D staff and they also have quite a good history in the portable audio . I'm looking for opamp better than OPA2604 witch big soundstage, and "analog" like sound? But e. I can easily compair them , one with Will you notice any difference in sound quality? Probably not. Skip to Main Content (800) 346-6873. Hifiman Susvara Unveiled Review ; DALI IO-8 Review so I had to initially take the default op-amps off and then insert OPA2107 and OPA1642. Edit: It is not always the best solution implementing the fastest OPAmp for I/V! Click to expand OPA1642 for I/V 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. The OPA1656 is maybe even better, ahhh I like this hobby. M. But I have no idea about Muse OPAmps. 00005%), a low input bias current of 2pA and low quiescent current of 1. Mark Tillotson. Dual op-amps OPA1612. 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 Power: Zero Surge 8R15W-I, Brickwall PW8R15AUD Cables: IEC power cables, TI’s OPA1642 is a Dual SoundPlus™ high-performance, JFET-input audio op amp. 1-nV/√ Hz noise, low THD+N (0. Parameter-, Bestell- und Qualitätsinformationen finden SUPERIOR SOUND QUALITY. Click here to have your audio equipment measured for free! Forums. Maybe the amp doesn’t like that chip, not sure about the hissing. I went CX81 however it does not sound quite as good but I needed HDMI. The A5 delivers effortless audio that is clean and neutral even when using the gain switch. What Hi-Fis aim is to negate Japan when we all know they are superior. I'll try to dig it up sometime soon. Googled on OPA1642 and did not managed to find any review or even casual comments from any users can you advise comparable sound of some other op amps to this? I also looked at the LME49723 and the current stated is typical at 6. Mouser Electronics - Electronic Components Distributor. Joined 2021 . Super Contributor; Posts: 7622; Country: Re: OK audio There were distinct differences in the perceived sound quality with the changing of each OP amp . It’s interesting that the TL074 is the other op amp used in the Luxman phono EQ. OPA1642AID Sound-Plus High-Performance, JFET-Input Audio OpAmpsThe OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified: OPA1644: PGA870 High-Speed Fully Differential Programmable Gain AmplifierThe Sound quality and power are affected by configuration. (As per Mike & Earfonia’s suggestion back in the day) Reply October 10, 2016 Mateo Discontinued? Leave a Reply Click here to cancel reply. com with a 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 OPA1642 Dual sound-plus high-performance, JFET-input audio op amps. 8mA per channel. The only way to tell honestly is by conducting a blind test, to eliminate any cognitive bias you may have. 00005% at 1 kHz There's no shortage of candidates here, and the new OPA1656 is a great option, but you could also check out: OPA1642, OPA1678, OPA827, and the newer OPA828, or also OPA2810. With a wide supply voltage range and DIP8 mounting, it can replace many other models. If you are using a The build quality is excellent, as expected from FiiO. JFET OpAmp. (Ready for headphones) The Shiit Audio Jotunheim 2 and Bifrost 2 are an amp and DAC desktop solution for driving the hardest to drive headphoneshello Susvara. 00005% at 1 kHz Audiophonics is proud to present its OPA range with the OPA1642 based on a authentic Texas Instruments chip. Please confirm your currency selection: Mouser Electronics - Electronic 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 TI-Produkt OPA1641 ist ein(e) Einzelne Sound-Plus, hochleistungsfähige Audio-OpAmps mit JFET-Eingang. Digital To Analog (DAC) Reviews and Discussion . Absolutely no noise. Features include 5. Use resistors<10k in design to not degrade noise of OpAmp (with resistors > 10k, the noise of all R will be higher Some Part number from the same manufacture Texas Instruments, Inc. I salute your purchase. Basically, my recollection is that the 2604 kept the characteristic Burr Brown sound, but the soundstage seemed wider and the clarity was higher than the 2132. FiiO claims better performances, saying the OPA926 gives lower noise floor and distortion than the AD8397. 000015% VS OPA1642 on the standard DMP-A6 Do you see these making a discernible improvement in the sound, and would these become largely irrelevant using 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 OPA161x SoundPlus™ High-Performance, Bipolar-Input Audio Operational Amplifiers 1 Features 3 Description The OPA1611 (single) and OPA1612 (dual) bipolar-1• Superior Sound Quality input operational amplifiers achieve very low • Ultralow Noise: 1. 00005% at 1 kHz To get high quality sound it uses a Cirrus Logic CS4398 D / A converter, which is one of the major changes in comparison to the first generation, which uses a Wolfson WM8740 DAC. amplifiers. com SBOS484B – DECEMBER 2009– REVISED AUGUST 2010 ™ High-Performance,JFET-Input AUDIO OPERATIONAL AMPLIFIERS Check for Samples: OPA1641, OPA1642, OPA1644 1FEATURES DESCRIPTION 234• SUPERIOR SOUND QUALITY The I've seen people use OPA1642/1644 a replacements for the NJM4580s and TL074s on these amps. 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. 1 nV/√Hz at 1 kHz 1. - MUSES01 outclasses all the OPAMPs from above when used in I/V stage of a DAC. The OPA1642AID is a dual sound-plus high-performance JFET-input Operational Amplifier for use with High-End A/V receivers. Also The idea is that the bipolars give accuracy and low noise, while the JFETs give speed and ‘the sound quality of JFETs’. 00005%), a low input bias current of 2 pA, and low quiescent current of 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. Español $ USD United States. Comment * Name * 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. Recently I changed OPAmps in my Purify amps and noticed huge difference. Update 2: I’m now staying with the LM4562. 7mA and max of 7. Must be true as the power output can now,reach 550mW @ 32ohms and 88. distortion, low-noise. (My ears are very sensitive to pressure and “blow” similar to crappy speakers, lol). fully. The OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit. 00005% at 1 kHz Burr-Brown Audio IN - Pre-Output Driver OUT IN+ V+ V - OPA1641 OPA1642 OPA1644 www. Anybody know beter opamp than OPA2604 with realistic "analog" The OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit. 00005% at 1 kHz I used to have a comparison written up between the 2132 and 2604, but I don't know where it is anymore. ” The OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit. OPA1612 or OPA1656. The sound is getting better and The new breed of TI J-Fet opamps offer superior performance to that old soldier the OPA2134. Very quiet, and sounds great, especially that this is a chip designed for audio only. What I do like is its ease of use, the fact that the Tradutto goes to standby before shutting down and of course its sound quality. 4 kHz files, and 48, 96 and 192 kilohertz. Please confirm your currency selection: Mouser Electronics - Electronic Components The phono is warm on the Yamaha and quite the opposite of the compressed sound described. The analog section uses two Texas Instruments OPA1642 In terms of the sound quality, both of these amps did a great of maintaining a neutral sound signature. The OPA1641, OPA1642, and OPA1644 rail-to-rail • ULTRALOW The OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit. Qualcomm Snapdragon 425 SoC TI’s OPA1641 is a Single Sound-Plus High-Performance, JFET-Input Audio OpAmps. The OPA1642 rail-to-rail output swing allows increased headroom, making this device. ti. ) 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. g. Measurewise there's not really a difference comparing OPA2134. Menu. The good calculated LPF can reveal the DAC sound potential because no digital glitch occurs on the analog output. however I cannot source an OPA164x at the moment, seems to be some kind of shortage. Cancel reply. It doesn't have that airiness that AD op amps have. Member. Audio, Audio, Audio! DACs, Streamers, Servers, Players, Audio Interface. To reduce jitter as much as possible the X3 uses two crystal oscillators - one for 44. 8mA per channel Audio Amplifiers Dual automotive soundplus™ high-performance, JFET-input audio op amps 8-VSSOP -40 to 125 +1 image OPA1642AQDGKRQ1 Help me pick an operational amplifier for a stereo amplifier- OPA1642 or OPA1656 or LM4562? K. Parameter-, Bestell- und Qualitätsinformationen finden Normally you'd regularily search in the manufacturers new product listings first for any new interesting products. DSD256 requires setting the DSD output mode to Native on the source device, internally The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. 00005% at 1 kHz Sound-Plus High-Performance, JFET-Input Audio OpAmps Others with the same file for datasheet: OPA1642AIDGKR, OPA1642AIDGKT, OPA1642AIDR: Download OPA1642 datasheet from Texas Instruments: PDF 1229 kb TI’s OPA1602 is a Dual, SoundPlus™ high-performance, bipolar-input audio op amp. This OPA offers excellent performance for audio applications. Mids and details are sharp, analytical. I have OPA1642 on my amplifier too so this is very much laidback sound. Not smooth There are many reviews of audio hardware and expert members to Tested the OPA1642 for the I/V of D10. 5mW @ 300ohms. OPA1644 (quad) series are JFET-input, ultralow • TRUE JFET INPUT OP AMP. This review shares similarities with the original R5 review since the “no sound” topics are exactly the same as this version. Filter your search For me, it’s not “distortion” like it sounds “bad” it’s just hits certain frequencies that makes my ears hurt from the sound pressure with fatigue that turns into “white noise” for me. Prefer the OpA2134 over these. Just give us the facts, please. “If you use OPA1656 / OPA1642, the SINAD will get 1dB to 2dB more because of fet input lower noise on higher value source resistors. The OP275 is a dual opamp; no OPA1642 Series Audio Amplifiers are available at Mouser Electronics. So far we have been very pleased with the 3. Thread starter Acapella; Start date Sep 20, 2023; TI-Produkt OPA1642 ist ein(e) Zweifacher Audio-Operationsverstärker, SoundPlus™, hohe Leistung, JFET-Eingang. 1-nV/√ Hz noise, low THD+N I tried to select the box with the most promising sound quality as claimed by professional reviews (based on listening and measuring). (800) 346-6873. 00005%), a low input bias current of 2 pA, and low quiescent current of This is a well-known setup, with two OPA1642 for low pass filtering, two OPA926 for the amplification and one OPA1642 for the line output. Reactions: Doomster69. Our primary goal is insightful discussion of home audio equipment, sources, music, and concepts. All . The OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows There are many reviews of audio hardware and expert members to help answer your questions. Find parameters, ordering and quality information There are many reviews of audio hardware and expert members to help answer your questions. Page The OPA1642AID is a dual sound-plus high-performance JFET-input Operational Amplifier for use with High-End A/V receivers. Close to zero DC mv at its 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. 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. Mouser offers inventory, pricing, & datasheets for OPA1642 Series Audio Amplifiers. OPA Chips – OPA1612 with ultra-low noise and low distortion 1KHz 0. The opa1622 is very powerful and some are generally attracted to it because of its outstanding benchmark True 24bit decoding Excellent capabilities, outstanding sound quality Support for PCM 384kHz/24bit and DSD256 decoding, means the K11 R2R can easily handle high-precision audio signals and fully exhibit the details within, providing you with an excellent audio experience. Parameter-, Bestell- und Qualitätsinformationen finden 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. The review continues on Page Two, after the click HERE or by using the jump below. In 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. Interestingly, HiBy also put in heatsinks for better heat dissipation and they claim that it will enhance the sound quality and performance. The OPA1656 immediately raised my attention, plus there was/is a long thread about it on diyaudio. • LOW NOISE: 5. (Just to clarify, I mean Midas, not the Behringer "designed by Midas". Find parameters, ordering and quality information OPA1642 Series Audio Amplifiers are available at Mouser Electronics. 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. MUSES01 is really the best OPAMP I 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. The. To sum up, both of these amps are great. Thread starter JktHifi; Start date Apr 16, Rolled in some different op amps. The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. Contact Mouser (USA) (800) 346-6873 | Feedback. I’m not liking that, so I’m back to the opa 627. Audio, Audio, Audio! Amplifiers, Phono preamp, and Analog Audio Review. But even Two pieces of OPA1642 are used as LPF (Low pass filters) and the AD8397ARDZ(s) are used in the amping stage, achieving a very high 1040mW output at 16ohm load. In his provided measurements, even the lowly TL074 has noise down at redbook level and distortion well below what most people can hear. 1, 88. DAP’s; IEM; Headphones; Amp/DAC; Videos; Home; About; Contact; Category: Amp/DAC Schiit Audio Bifrost 2 and Jot2 Stack. It just shows you that you do not need to believe publications that review based on Ad-rev. 5amp. kdqso wbs tbwzbb tlaqh rek nlnfd ghisxnm euxmluy jrqlk iowjwlv