Opa1612 vs opa2134 vs opa21 forum. Feb 28, 2017 · OPA2134 is a FET opamp and has its own unique benefits but isn't as low noise as R4580. Mar 17, 2019 · The OPA1641 would be slightly better. OPA2134 and NE5532 both have power supply currents of about 4mA per channel, and have been widely adopted in the market (understatement). A question for opamp gurus. 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. MUSES8820 is the best, IMHO. OPA2134 gain stage with voltage series feedback. You can dig on the Internet and find modern op-amp test results, but it quickly crosses over into sonic character and subjective opinion. 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. Now all the folks are using opa2134 op -amps as the replacement. It is difficult to say which one is better. Jan 6, 2010 · I have an Onix XCD-99 which is basically a Music Hall CD-25. 000015% at 1 kHz. Don't let power supply current limitations get in the way of performance. It appears that the OPA1611/2 have a lower noise voltage, wider bandwidth and higher slew rate than the OPA134 and OPA2134's. Apr 30, 2007 · Originally Posted by mikeg88 /img/forum/go_quote. Dec 22, 2016 · OPA2134 vs OPA2604 vs OPA2107. OPA2134 is more stable, as it is not too fast for Audio. 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. I should have done my research a bit better because because I overlooked OPA1612 which is purported to have superior performance compared to LM4562. 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. Apr 10, 2019 · I have interested in low ESR Electrolytic Capacitors to power the Opa1612. May 5, 2002 · ad825 vs ad8610 Hi Fmak, thanks for all the ongoing help. Apr 6, 2020 · The OPA2134 is very ordinary, I consider it a side step to the NE5532. 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. 1 Analog Discussion in ' Soundcards, Speakers HiFI & File formats ' started by NapalmV5 , Nov 23, 2007 . As for BB OPA2134 sound, it sounds better to me than the R4580 and is less fatiguing. common mode voltage that I've measured on any op amp. 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 am curious to see if this impression changes over the week. 4" plug). 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. For one of the OP amp it's optimal with 1k and for the other one it's 2k. 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. That seemed like a reasonable target for the supply current of the OPA1656 as well. 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. 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). 4. 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. The completely docile op amps are the OPA2604, the OPA627, the OPA2107, the LM4562/LME49720 and the OPA2134. I would say it depends on what circuit. Forum Donor. I also refurbish large format recording consoles. New posts Search forums. 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). Posted by Ehien (A) on January 30, 2002 at 11:22:50 . One S300iu integrated amplifier | Stereophile. 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. Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. 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. It is more open sounding and clearer sound from OPA1612 then OPA2134. 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. 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. OPA2134 OP amps. According to the datasheets for both Part Number: OPA2134 Other Parts Discussed in Thread: OPA1678, OPA1611, OPA1602, OPA1642. TL072 works most of the time but I almost always find a better substitute in dirt pedals. Jan 30, 2002 · OPA2134 vs OPA2604 vs OPA637. 5 mA. I plan to get the brown dog adapters and try the opa 627's soon. Sep 15, 2018 · The OPA2134 in contrast costs $4. Jan 10, 2016 · He talked to me about OPA1611's versus OPA134's as well as the OPA1612's versus OPA2134's. OPA2134 costs an arm and a leg. com with a TI insider involved. 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. Nov 23, 2007 · Meridian/4x OPA2134 vs Prelude/4x OPA2134 @ 7. 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. Two cases were evalutated – in a The different players sounded different. 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. 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. Apr 1, 2012 · Howdy. Those are fine. 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). Anything other than these values and they're either fake or damaged (or both). I have a 1988 carver stereo per-amplifier. I no nothing about this. Sep 7, 2024 · Hi forum I'm playing around with some simple headphone amps ( again ) with NE5532 vs. 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. But now I have to replace them. opa2134. 6 mA but I know I’m in the Op amp thread so I don’t want to take the thread off topic. Other Parts Discussed in Thread: OPA1612, OPA1642, RC4136 I use these amplifiers for pro audio. g. Review Index. 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. 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. I've replaced the old TL082 in my active crossover with opa2134. The new national opamps are also there with extreme slew rate of 1900v/usec just like AD815. 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. 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. 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. Out of all four of these, the V5i-D has the best build quality. But I couldn't find anything about NE5532 THD in Datasheet. 3. It offers exceptional performance in almost any audio application. It is solid, sturdy with an aluminum casing at the top. I've studied around in different forums and found information about differences between the resistor value going to ground. Feb 16, 2007 · HiI am building a 3-way active cross over circuit. The OPA-2132 & OPA-2134 sound Dull and Vailed to me. OPA2604 is one of the few op-amps having +24 -24 max supply voltage. It's a killer OpAmp, and better suited to Jan 10, 2006 · Forums. 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. 4 mA, max. 5mV vs 2mV, respectively). The Burson is just a little better in my opinion. Aug 24, 2012 · #1. May 23, 2018 · Opa1656 and opa1612 without tweaking have better performance than almost any discrete solution. 6SL7 tube SRPP gain stage with voltage shunt feedback. 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). I have a phono preamp board with three socketed DIP-8 OPA2134 in it. Sep 14, 2021 · Of the op amps in my collection the massive misbehavers are the OPA1656, the LME49990 and the OPA1612. I replaced my ad8610 I/Vs with ad 825s last night. 00008% but in my area I can't find OPA2134. 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. Stimulated by a recent thread about opamps, I went back and compared again BB OPA2134 and OPA2604 in my Lehman Black Cube phono amp. 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. I know there are a lot of factors that set these apart, but I'm writing to ask what difference the amp modules make. 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. Hi there probaly a simple question maybe not. hi i wanted to know if anybody have used the above opamps. Dec 6, 2018 · The diyaudio forum might be better suited for posing the question. Although many people dismiss the NE5532 as an obsolete component and try to locate a replacement, the NE5532 is still adequate for most applications. Opa2134 is a very good opamp. AD826 used instead of the the OPA2134. 1-nV/√ Hz noise density with an ultralow distortion of 0. I just thought using two opa627, i will achieve 2134's audio quality. 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. 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. 2V inside the negative rail and 2. (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. RC4580 vs NJM4560 vs M5218 vs OPA2134 etc. the design is based on opa2134 Dual OpAmp Which has a THD=0. In other words, OPAx132PA and OPAx132UA (standard grades) are equivalent to OPAx134, which does NOT have a high grade. 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. 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. 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. Feb 11, 2021 · According to the TI datasheets OPA1612 has less noise than OPA1656. Jan 11, 2016 · Yes sir. Equipment Forums. 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. 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 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. Dec 11, 2019 · Normally you'd regularily search in the manufacturers new product listings first for any new interesting products. We get lower current noise and better EMI resistence. Mar 19, 2005 · I tested the opa2134 vs the ad712 that were stock. 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. May 15, 2022 · Buggle2 Riaa board. What's new. 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. 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. Oct 5, 2005 · 2134 vs 2132 looking back i'd go with the 2134, it's so much cheaper and sounds the same. Can anyone suggest drop-in replacements to OPA2134? I'm looking for a natural, transparent sound vs colored. They'll say the OPA2134 "sounds dark" for example. so far I note that the ad8610 seemed to go deeper in the bass and is a little warmer overall than the ad825. The OPA1656 immediately raised my attention, plus there was/is a long thread about it on diyaudio. The sound is much better but there's still something a bit "hi-fi" and "grey" in the presentation. When the original OP is Bipolar(like NE5532 etc) we can most always replace with FET or another similar Bipolar OP. But deep bass and transients seem more punchy in the OPA2134. Posted by KanedaK (A) on December 22, 2016 at 16:38:35 . The most obvious difference it the wider soundstage. max Vos of 0. Dual customzied solution will give unmeasurable distortion (possibly -180db). ••• Mar 17, 2019 · 3. The ad825 seems to be more detailed alright. Currently, I require opamps in the DIP package. 5V inside of the positive rail . 8 mA, for the OPA2134 typ. Jul 30, 2021 · If I could also request test of: OPA1642 ~ 2 Euro OPA1656 ~ 2. 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. 79 in single units. Only in Electronica was the soundstage not much wider and imaging not much improved. . Oct 31, 2012 · MUSES 8920 vs Burr-Brown OPA2134 Forums. 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. I am sure that the overall results are going to be context specific, but thought an additional comparison might prove useful. 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. Mar 11, 2003 · 1. Apparently it's harder to work with, but i haven't gotten a chance to try it yet. So I can use any one of these ( one at a time !). OPA2604 is a little bit faster. +Gain Bandwidth. A quick snapshot of the OPA1656 performance specs: Nov 8, 2006 · OPA2134 and OPA2604 are very close in data. The R4580 is probably better spec wise but sometimes distortion of a signal to make it warmer (quieter treble) is a good thing. I want to use NE5532 instead. Portable Headphone Amps. gif Okay so I've been comparing the micro stack, ultra micro stack and the basic desktop amps. 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. It was recently re-capped and all new guts put in . There's been quite a bit of discussion of the comparative merits of the OPA2134 vs the OPA2604 recently. It has OPA2604 buffer amps that many have replaced with dual OPA627BP's with good results. Goggle bill d mod carver c-1. It has the most stable input capacitance vs. 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. Anyway, OPA2134 is pleasure sounding Op-Amp. 2. But that does not say anything about the SQ. vodgs syyc atnpm ustyry rbvx hanqj chg nhtthy pgvhjq oihjg