Opa1612 vs opa2134 vs opa21 forum. I've studied around in different forums and found information about differences between the resistor value going to ground. Now all the folks are using opa2134 op -amps as the replacement. OPA2134 costs an arm and a leg. 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. Nov 25, 2015 · Im interested in op amp rolling for my amp since its not expensive to try out and I was surprised to find a lot of variation between them, the amp has a very simple circuit so my results could be more siginificant than with other amps. I plan to get the brown dog adapters and try the opa 627's soon. I was wondering if the OPA2604's could be replace with a dual opamp like the OPA1612 with similar or hopefully better results than the OPA627's 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. Anyway, OPA2134 is pleasure sounding Op-Amp. I also refurbish large format recording consoles. Dual customzied solution will give unmeasurable distortion (possibly -180db). Sep 7, 2024 · Hi forum I'm playing around with some simple headphone amps ( again ) with NE5532 vs. Jan 6, 2010 · I have an Onix XCD-99 which is basically a Music Hall CD-25. Nov 30, 2021 · Aol for the OPA2134 with a 600 ohm load has an output swing that is 2. The AD826 seems to be smoother than the OPA in the voice range. Feb 16, 2007 · HiI am building a 3-way active cross over circuit. ••• Mar 17, 2019 · 3. Dec 22, 2016 · OPA2134 vs OPA2604 vs OPA2107. +Gain Bandwidth. common mode voltage that I've measured on any op amp. Apr 6, 2020 · The OPA2134 is very ordinary, I consider it a side step to 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. It has OPA2604 buffer amps that many have replaced with dual OPA627BP's with good results. A quick snapshot of the OPA1656 performance specs: Nov 8, 2006 · OPA2134 and OPA2604 are very close in data. According to the datasheets for both Part Number: OPA2134 Other Parts Discussed in Thread: OPA1678, OPA1611, OPA1602, OPA1642. I no nothing about this. If some new opamp has "improved" characteristics then its different, and that means that there is some circuit which will not work anymore because it depends exactly on the characteristics of the old opamp which has changed in the new one. OPA2134 and NE5532 both have power supply currents of about 4mA per channel, and have been widely adopted in the market (understatement). And it is a JFET opamp, which is always preferred by myself in the positions where slightly higher voltage noise of the opamp is negligible, like here. I've replaced the old TL082 in my active crossover with opa2134. You can dig on the Internet and find modern op-amp test results, but it quickly crosses over into sonic character and subjective opinion. That seemed like a reasonable target for the supply current of the OPA1656 as well. The sound is much better but there's still something a bit "hi-fi" and "grey" in the presentation. Apr 10, 2019 · I have interested in low ESR Electrolytic Capacitors to power the Opa1612. NapalmV5 Guest Dec 3, 2018 · Either one is overkill, but the difference could be in the speed of the opamp, they could be oscillating at very high frequencies, and/or operate outside of spec limits (the OPA2134 is unity gain stable, not sure if the OPA2604 is, and I am not sure what gain they are used in this circuit). I have a phono preamp board with three socketed DIP-8 OPA2134 in it. What's new. OPA2604 is a little bit faster. 000015% at 1 kHz. I know there are a lot of factors that set these apart, but I'm writing to ask what difference the amp modules make. Goggle bill d mod carver c-1. 6 mA but I know I’m in the Op amp thread so I don’t want to take the thread off topic. May 5, 2002 · ad825 vs ad8610 Hi Fmak, thanks for all the ongoing help. When the original OP is Bipolar(like NE5532 etc) we can most always replace with FET or another similar Bipolar OP. 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. 00008% but in my area I can't find OPA2134. The OPA-2132 & OPA-2134 sound Dull and Vailed to me. g. There's been quite a bit of discussion of the comparative merits of the OPA2134 vs the OPA2604 recently. OPA2134 OP amps. 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. And without mentioning every op amp in existence, I'll close with I yet have to find a circuit where an NE5532 is the best possible option. TL072 works most of the time but I almost always find a better substitute in dirt pedals. May 29, 2021 · With the Burson V5i-D in my collection now, I have four sets of OPAMPs for my xDuoo XD05 Bal, OPA1612 stock OPAMP, JRC 5532D stock replacement OPAMP, OPA2134(purchased aftermarket), Burson V5i-D. If the customer is not swinging the signal this high on the output then this consideration doesn't matter but I should bring it up as a consideration. max Vos of 0. Jan 11, 2016 · Yes sir. 8 mA, for the OPA2134 typ. 4 mA, max. Feb 28, 2017 · OPA2134 is a FET opamp and has its own unique benefits but isn't as low noise as R4580. 5 mA. Jan 7, 2002 · Thanks for the reply though, I checked it out and noticed the comment on the OPA2604 needing more juice, so I checked out the spec sheet at TI, and it seems like it'll like anything from +/-15V to +/-24V, while the OPA2134 only likes up to +/-18V (pretty close to the -17V of my power suply), so I think I'll feel safer going with the OPA2604 The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. MUSES8820 is the best, IMHO. Dec 6, 2018 · The diyaudio forum might be better suited for posing the question. so far I note that the ad8610 seemed to go deeper in the bass and is a little warmer overall than the ad825. com In no case did I have too high expectations regarding the sound The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. But that does not say anything about the SQ. 6SL7 tube SRPP gain stage with voltage shunt feedback. I am curious to see if this impression changes over the week. hi i wanted to know if anybody have used the above opamps. 1-nV/√ Hz noise density with an ultralow distortion of 0. Only in Electronica was the soundstage not much wider and imaging not much improved. But deep bass and transients seem more punchy in the OPA2134. We get lower current noise and better EMI resistence. Out of all four of these, the V5i-D has the best build quality. OPA1612 is a great amplifier, however, it is bipolar (input type) and when used immediately at the front-end of a guitar input, the input current noise (1. gif Okay so I've been comparing the micro stack, ultra micro stack and the basic desktop amps. I just thought using two opa627, i will achieve 2134's audio quality. At the risk of immediately coming across as exaggerated and/or hyped -- the "battle" was simply an epic slaughter! Aug 24, 2018 · THD+N Ratio vs Measured Level / Inverting 6dB Gain / 100k load / 22. Thread starter theque; Start date Nov 21, 2012; Tags headphone-amplifiers The OPA134, OPA2134, and OPA4134 (OPAx134) series are ultra-low distortion, low-noise operational amplifiers fully specified for audio applications. The OPA 627 is well over price and is bass heavy and it’s not worth the price you pay for it The OPA1612 and OPA827 are much better than any of these but these are SOIC and you’ll need an adapter with experience soldering skills. The most obvious difference it the wider soundstage. Alessandro MS-1, Sennheiser HD595, Audio Technica A500, Koss KSC-75, Etymotic ER6i, Sennheiser HD201 Mar 25, 2022 · Conclusion of OPA2134 VS NE5532 The OPA2134 is a Fet Input op-amp, while the NE5532 is a Bipolar Input op-amp. 5mV vs 2mV, respectively). OPA2604 is one of the few op-amps having +24 -24 max supply voltage. Using hd600s and 400is to test them Ive compared the May 9, 2023 · Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a Reviews. I replaced my ad8610 I/Vs with ad 825s last night. OPA2134 is more stable, as it is not too fast for Audio. As for BB OPA2134 sound, it sounds better to me than the R4580 and is less fatiguing. Review Index. It sounds swell but I have a set of the higher performance LMA49720NA DIP-8 opamps here on my desk and I'm wondering if they're plug-in compatible. Mar 19, 2024 · The board design should certainly accommodate both op amps and there is definitely a difference in sound, but it is going to take some time to determine whether I actually prefer the OPA2134 or not, if the extra detail I think I hear is real or an illusion. Reactions: Phorize , August and Evgeniy Jan 28, 2018 · I had the chance to gather up a selection of opamps from my parts bin, including BB OPA2604, OPA637, AD823, LME49860, JR4556, Muses8820 and 8920, and compare them against each other along with a Burson V6 Classic (thanks to them for sending me an evaluation). So I can use any one of these ( one at a time !). But now I have to replace them. May 23, 2018 · Opa1656 and opa1612 without tweaking have better performance than almost any discrete solution. AD826 used instead of the the OPA2134. New posts Search forums. Aug 24, 2012 · #1. It has the most stable input capacitance vs. 4kHz bandwidth Here we see that the LM4562, LM833, LM49720 and OPA2134 all have the same level of performance with the NJM2742 having the worst performance of the bunch and the LT1352 being just slightly worse. It is solid, sturdy with an aluminum casing at the top. Jul 30, 2021 · If I could also request test of: OPA1642 ~ 2 Euro OPA1656 ~ 2. 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. 3. How are LME49860, LME49720 etc? Are they drop-in The main difference between OPAx132 and OPAx134 is in DC precision of the high grade of OPAx2132P/U and OPA2134 (e. Portable Headphone Amps. I should have done my research a bit better because because I overlooked OPA1612 which is purported to have superior performance compared to LM4562. ナチュラルビューティー。脚色がほとんどない、いわば素肌美人である。音の抜けが良く、ジャンルを問わず使える感じ。超高域の解放感はもう一歩か。でも、充分リファレンス用途までいける。単価も音質の割に破格と言っていいだろう。 Jun 10, 2010 · The only direct replacement for an opamp which works anytime is the same opamp. It appears that the OPA1611/2 have a lower noise voltage, wider bandwidth and higher slew rate than the OPA134 and OPA2134's. Equipment Forums. Part Number: OPA1612 Other Parts Discussed in Thread: OPA2134, , OPA1678 Hi Community, TI!!! I would like to upgrade an audio amplifier OPA2134 and the TI site web recommands me to change for a new OPA. OPA2134 gain stage with voltage series feedback. Apparently it's harder to work with, but i haven't gotten a chance to try it yet. Other Parts Discussed in Thread: OPA1612, OPA1642, RC4136 I use these amplifiers for pro audio. 7 pA/rthz) will multiply with the pickup resistance (varies quite a bit, say typical is 10 kOhm) to become the Jan 7, 2021 · So considering NE5532, LM4562 and OPA2134, OPA2134 gives best measured results in AIYIMA A07. com with a TI insider involved. 1 Analog Discussion in ' Soundcards, Speakers HiFI & File formats ' started by NapalmV5 , Nov 23, 2007 . For one of the OP amp it's optimal with 1k and for the other one it's 2k. Now they seems to have changed again to opa1612 in many places - maybe a suggestion to try ? 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. They'll say the OPA2134 "sounds dark" for example. The new national opamps are also there with extreme slew rate of 1900v/usec just like AD815. Posted by Ehien (A) on January 30, 2002 at 11:22:50 . Jan 30, 2002 · OPA2134 vs OPA2604 vs OPA637. Measurements For this testing, I thought any important difference would show up in THD+N (distortion + noise) versus frequency as this is what the data sheet for op-amps emphasizes a lot. RC4580 vs NJM4560 vs M5218 vs OPA2134 etc. Jan 10, 2016 · He talked to me about OPA1611's versus OPA134's as well as the OPA1612's versus OPA2134's. Feb 11, 2021 · According to the TI datasheets OPA1612 has less noise than OPA1656. Forum Donor. Mar 11, 2003 · 1. . Another way to say it: JFET OPamps like OPA2134 can replace most any other audio opamp Jul 29, 2002 · First off, I really like the sound and presentation of the OPA2134 that came with the Rudi. 2. 5V inside of the positive rail . Thread starter evm1024; Start date Nov 3, 2008; Help Support GroupDIY Jun 6, 2012 · 7 mA quiescent current is typical of the OPA627, for the OPA2132 it should be typ. Feb 11, 2021 · I'll look at it if you know of one amp using OPA1612 sounding audibly better than another amp using cheaper op amp in objective listening comparison. Anything other than these values and they're either fake or damaged (or both). Apr 30, 2007 · Originally Posted by mikeg88 /img/forum/go_quote. It was recently re-capped and all new guts put in . A May 30, 2007 · If the orginal OP is a FET (like TL072, OPA2134 etc) we may be careful sometimes NOT possible to replace with Bipolar (like NE5532 etc). Those are fine. Since i couldnt find an opa2134, i just use tl072 and the likes for our projects I am just curious how opa2134's output performance. Oct 31, 2012 · MUSES 8920 vs Burr-Brown OPA2134 Forums. I want to use NE5532 instead. 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. 4" plug). Dec 11, 2019 · Normally you'd regularily search in the manufacturers new product listings first for any new interesting products. Have you found 我想升级音频放大器 opa2134、ti 网站再次命令我更改新的 opa。 我发现 opa1612是 soundplus 终极产品系列中的一款产品、这就是我对它进行更改的原因。 遗憾的是、对于新的 opa1612、我在输出通道上获得了大量噪声。 我尝试使用 ne5532p 等低成本组件、无噪声、opa2134无 Nov 9, 2012 · Muses02 vs BB OPA2134 in Topping A30 (single-ended to differential buffer) Rig includes: Topping A30 and D30, HD600s (vintage 2017) with HD650 (genuine Sennheiser replacement part) 3m cable (1. Joined Jan 1, 2019 Messages 5,266 Likes Jul 22, 2022 · OPA2134 is great for buffer and clean applications but I never liked it for overdrive/distortion. Hi there probaly a simple question maybe not. Opa2134 is a very good opamp. Although many people dismiss the NE5532 as an obsolete component and try to locate a replacement, the NE5532 is still adequate for most applications. Mar 7, 2019 · Previously i used OPA2134 Op-Amps in my DIY project and CD/DVD modification and after abou year ago i start to use OPA1612. One S300iu integrated amplifier | Stereophile. May 15, 2022 · Buggle2 Riaa board. In other words, OPAx132PA and OPAx132UA (standard grades) are equivalent to OPAx134, which does NOT have a high grade. It is difficult to say which one is better. Oct 5, 2005 · 2134 vs 2132 looking back i'd go with the 2134, it's so much cheaper and sounds the same. 4. Don't let power supply current limitations get in the way of performance. I am sure that the overall results are going to be context specific, but thought an additional comparison might prove useful. A question for opamp gurus. Part Number: OPA1656 Other Parts Discussed in Thread: OPA2134, OPA2604 The OPA1656 is the industry’s lowest voltage noise high voltage CMOS on the market. opa2134. Posted by KanedaK (A) on December 22, 2016 at 16:38:35 . But I couldn't find anything about NE5532 THD in Datasheet. (Opa2134 is not broken in at all, so it will most likely get better w/time) The base is much better from the 2134, but it does not seem to be as powerful on the output side, but could just be the break-in needed. Can anyone suggest drop-in replacements to OPA2134? I'm looking for a natural, transparent sound vs colored. Hi Ervin, Yes those devices are very popular, unfortunately I don't have any way to know for sure when they are back in stock. Jun 20, 2001 · Neruda: You want Treble, More Treble than you are used to then use an AD-823 for the gain Opamp and the LM-6172,s as the Output Buffer. Apr 1, 2012 · Howdy. Stimulated by a recent thread about opamps, I went back and compared again BB OPA2134 and OPA2604 in my Lehman Black Cube phono amp. Oct 8, 2017 · So I just blew up 5 Burr Brown OPA2134 due to bad labelling on the PCB (Ok I was also supposed to be more careful). I have a 1988 carver stereo per-amplifier. I would say it depends on what circuit. Mar 19, 2005 · I tested the opa2134 vs the ad712 that were stock. It offers exceptional performance in almost any audio application. Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. 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. The ad825 seems to be more detailed alright. The Burson is just a little better in my opinion. Currently, I require opamps in the DIP package. It's a killer OpAmp, and better suited to Jan 10, 2006 · Forums. Feb 28, 2021 · The LM833 was released way more than 20 years ago, and if memory serves, OPA2134 was released around the year 2000, and LM4562 around 2006. Sep 14, 2021 · Of the op amps in my collection the massive misbehavers are the OPA1656, the LME49990 and the OPA1612. Sep 15, 2018 · The OPA2134 in contrast costs $4. The R4580 is probably better spec wise but sometimes distortion of a signal to make it warmer (quieter treble) is a good thing. It is more open sounding and clearer sound from OPA1612 then OPA2134. Nov 23, 2007 · Meridian/4x OPA2134 vs Prelude/4x OPA2134 @ 7. the design is based on opa2134 Dual OpAmp Which has a THD=0. The completely docile op amps are the OPA2604, the OPA627, the OPA2107, the LM4562/LME49720 and the OPA2134. Mar 17, 2019 · The OPA1641 would be slightly better. 2V inside the negative rail and 2. The OPA1656 immediately raised my attention, plus there was/is a long thread about it on diyaudio. Two cases were evalutated – in a The different players sounded different. 79 in single units. gcustaqktclyydrkacisgzdjyhfuvxlqcbvhfzdpwxy
