Opa1612 vs opa2134 forum. Sep 15, 2018 · Forum Donor. 部件号：OPA1612 主题中讨论的其他部件： OPA2134， LM4562. OPA2134 costs an arm and a leg. OPA1612手册第3页最后几行，Input Impedance栏：Differential 20KΩ || 8pF. Below picture is the Sch , and the distorted waveform is attached vedio. Misc. 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. 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. It is difficult to say which one is better. when we use opa1612 to translate difference input to single-ended output, the output is distorted, pls. Dec 6, 2018 · The diyaudio forum might be better suited for posing the question. 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 Jun 7, 2016 · OPA1612 1612 will sound warmer, thicker, mellower and darker with most headphones and IEMs. 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). 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. (If I am not wrong OPA1656 is a really modern OP Amps from March 2019 vs 2017 for the OPA1692). 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. Joined Jun 10, 2018 Messages 6,623 Likes "OPA1612 is better than OPA2134. Mar 17, 2019 · 3. 当我们使用opa1612将差异输入转换 为单端输出时， 输出会失真，请帮助检查原因。 下图是“Sch”，失真的波形附加了音频。 此外，当我们使用opa2134或lm4562来替换opa1612时，失真 消失了。 Jun 10, 2010 · From my experience these older OP/ OPA op amps all sound vaious degrees of "not-that-great" (cloudy, lacking details, taking away punch/immediateness). But now I have to replace them. Aug 24, 2018 · THD+N Ratio vs Measured Level / Inverting 6dB Gain / 100k load / 22. Can anyone suggest drop-in replacements to OPA2134? I'm looking for a natural, transparent sound vs colored. The treble might improve with time, but right now it sounds muffled compared to other amps that I have heard (creek, SAC). May 23, 2018 · Opa1656 and opa1612 without tweaking have better performance than almost any discrete solution. Depending on the actual application circuit, there are alternatives with better noise performance. Review Index. Mar 17, 2019 · The OPA1641 would be slightly better. Other Parts Discussed in Thread: OPA2134, LM4562. help to check the reason. Dec 11, 2019 · It's a killer OpAmp, and better suited to non-inverting buffer duties than the OPA1612/2211 Low- and Mid-Frequency Test Signals for Evaluation of Room Modes // Measurements: ESS Hump revisited // Humpify -- apply "ESS hump"-style distortions to audio files Apr 1, 2012 · Howdy. Feb 11, 2021 · According to the TI datasheets OPA1612 has less noise than OPA1656. I love it. 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. Forum Donor. I just thought using two opa627, i will achieve 2134's audio quality. Out of all four of these, the V5i-D has the best build quality. La traduction française vient de Google. It appears that the OPA1611/2 have a lower noise voltage, wider bandwidth and higher slew rate than the OPA134 and OPA2134's. I've dialed back the tube volume some which reduced the bloated sound stage to a bit more normalcy. com In no case did I have too high expectations regarding the sound May 24, 2015 · If you can use a bipolar OP, the NE5532 is usually the better choice than a JFET OPA2132 / OPA2134. 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. One S300iu integrated amplifier | Stereophile. the differences aren't huge, but big enough to make a change worthwhile. ^^' 高音質電源改善アクセサリーを中心に、音響を中心に電気で世の中に貢献しています。 Nov 19, 2015 · OPA2134 - another workhorse, very tolerant of poor circuits, etc. Jul 4, 2009 · Forums. The TL072 isn't great IMO. J'espère que ça a du sens. opa1612, muses8920, 2xopa627bp, lme49720na, opa2134 The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. Maybe slightly less extended but so so sweet. The Muses 02 is just gorgeous, warm and sexy. Mar 17, 2019 · Voltage noise is higher on 1656 at low frequency til 1khz. I have a phono preamp board with three socketed DIP-8 OPA2134 in it. 2V inside the negative rail and 2. Jul 26, 2020 · I agree with you, OPA1612 is really good regarding details resolution, OPA1656 has the best of both world : ultra high definition regarding micro details and very neutral but still warm. 1-nV/√ Hz noise density with an ultralow distortion of 0. It offers exceptional performance in almost any audio application. Benefit is lower dc offset and less distortion also high open loop gain also superior stability. 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。 The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. I also refurbish large format recording consoles. The OPAx132 is the slightly better version for DC critical applications. but the difference between opa2604 and LME49720 is much smaller than the difference between these two compared to the original ne5532. May 15, 2022 · Buggle2 Riaa board. 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). The 5532 has a slew rate of 10v/us, or about half that of the 4562- and it's very hard to see why this is important for any audio applications as the full power bandwidth for the 5532 with 15v supplies is about 110kHz, and that's with >9vrms at the output. +Gain Bandwidth. ••• Apr 6, 2020 · The OPA2134 is very ordinary, I consider it a side step to the NE5532. Dual customzied solution will give unmeasurable distortion (possibly -180db). 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. May 9, 2023 · Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a Reviews. That seemed like a reasonable target for the supply current of the OPA1656 as well. 4" plug). How are LME49860, LME49720 etc? Are they drop-in We would like to show you a description here but the site won’t allow us. It has the most stable input capacitance vs. At the risk of immediately coming across as exaggerated and/or hyped -- the "battle" was simply an epic slaughter! Nov 26, 2017 · thanks for your tips! i have tested the opa2604 and the LME49720 compared to the ne5532. A question for opamp gurus. OPA2134 is probably a good choice in general. However, I remember that the chip was about 3 times worse vs opa1612 regarding noise in I/U stage and even more noisy than opa1602 which draws 3x times less current. ti. 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. While it still has some treble sparkle, It isn't enough to save its sound of complete mudyness and lack of detail. Though we did not test it before but we believe OPA1612 is a better choice. They'll say the OPA2134 "sounds dark" for example. Jul 13, 2019 · The LM4562 (same die as the LME49720) was designed to produce a low open loop distortion - likely better than a 5532. Replacements: For the 5532 the opa2211A or opa1612 as well as LT1358. However for what ever reason I found the 2134 to be boring. A Jun 20, 2001 · okay, so I have a 47 amp with a coupla 2134's. MUSES8820 is the best, IMHO. 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. Anther, When we used opa2134 or lm4562 to replace opa1612, the distortion disappear. 000015% at 1 kHz. OPA2134 and NE5532 both have power supply currents of about 4mA per channel, and have been widely adopted in the market (understatement). Good to see so many on this forum liking this opamp. May 24, 2015 · The OPA2134 is more a better replacement for the TL072 when you need a FET type. Reactions: Phorize , August and Evgeniy Also compared the OPA1612 to an NJM2068 and OPA2134 in a moving magnet preamp and it was, as expected due to higher current noise, noisier than the BJT '2068 and FET '2134. The OPA134, OPA2134, and OPA4134 (OPAx134) series are ultra-low distortion, low-noise operational amplifiers fully specified for audio applications. - Représentation légèrement plus plate que, par exemple, OPA2134 - Une représentation quelque peu artificielle Même si l'OPA2134 est moins équilibré, il joue de manière beaucoup plus musicale et réaliste et reste donc ma recommandation. 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. CMRR is not a big issue. Jan 10, 2016 · He talked to me about OPA1611's versus OPA134's as well as the OPA1612's versus OPA2134's. 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. The different players sounded different. Jul 30, 2021 · If I could also request test of: OPA1642 ~ 2 Euro OPA1656 ~ 2. Normal audio can use the cheaper OPA2134. It is solid, sturdy with an aluminum casing at the top. Opa1656 has good phase response at high frequency. According to the datasheets for both 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. But that does not say anything about the SQ. You can dig on the Internet and find modern op-amp test results, but it quickly crosses over into sonic character and subjective opinion. I would say it depends on what circuit. Two cases were evalutated – in a opa2134. but I'm not a big fan of personally - though mostly transparent and decent performance I find it somehow sounds "sterile" and probably responsible for turning a good few to tube amps. A quick snapshot of the OPA1656 performance specs: 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. Dears . common mode voltage that I've measured on any op amp. Oct 2, 2021 #24 audio2design said: opa1642 opa2134 and opa1612 ) May 19, 2017 · maybe modern production 3886 are all above average? the designs seem to take the 'typical' GBW spec as the effective minimum My guesstimate puts the safe with production variation margin local closed loop gain corner as low as 100kHz for LM3886 with a greater than 4:1 range designing for stable extra loop gain from the nice input op amp really doesn't give much 20 kHz added safe composite loop Nov 8, 2006 · OPA2134 and OPA2604 are very close in data. Pin can be left floating or connected to any voltage between (V–) and (V+). It's best use as an alternative to opa1612 when noise is not a big concern. The outcome was no great surprise but the noise character of the OPA1612, which was exaggerated due to the current noise and inductive source impedance, was still clean The OPA134, OPA2134, and OPA4134 (OPAx134) series are ultra-low distortion, low-noise operational amplifiers fully specified for audio applications. I've ordered some opa2604's from ebay still in transit to play with. Are there any opamps with more analytical treble that Mar 17, 2019 · The Vendor's Bazaar forum is for commercial offers and transactions. the ne5532 looks a bit harder, narrower and more direct, the other two a bit more relaxed and Oct 2, 2021 · Forum Donor. 鹿 . Aug 24, 2012 · hi i wanted to know if anybody have used the above opamps. as well and I might try a opa2134 I have lying around. OPA2604 is one of the few op-amps having +24 -24 max supply voltage. Sep 14, 2021 · Of the op amps in my collection the massive misbehavers are the OPA1656, the LME49990 and the OPA1612. 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. -Category Forums compared to - OPA1612, OPA2192, OPA2209, OPA1652, NE5532, LME9720, OPA1622, OPA1602, OPA1662 Also wondering if it will improve Other Parts Discussed in Thread: OPA1612, OPA2134. 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. Nov 30, 2021 · Aol for the OPA2134 with a 600 ohm load has an output swing that is 2. Currently, I require opamps in the DIP package. Don't let power supply current limitations get in the way of performance. Aug 13, 2014 · The Silicon Chip High Fidelity preamp for 2 channel is based on the OPA2134, and is available via the Altronics franchise. I'm powering my amp with 8 AA's, but that might change in the future. 对这个指标不是很明白，如果我用它做电压跟随，输入阻抗是多少呢？ 那个Differential的输入阻抗指什么意思？ OPA1611, OPA1612 www. Joined Jan 1, 2019 Messages 5,266 Likes Other Parts Discussed in Thread: OPA1612, OPA1642, RC4136 I use these amplifiers for pro audio. Common-Mode 10^9Ω || 2pF. Nov 24, 2018 · I hate such ugly clipping behavior(any real opamp of serious manufacturers have an ideal clipping without screeching) and one that fact is enough to me to consider that chip junk. The clear winners for me are the 2227/8 but I think the 8 has a slight edge in high end possibly? Yeah. I can't put it much differently. 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 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. . Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. The completely docile op amps are the OPA2604, the OPA627, the OPA2107, the LM4562/LME49720 and the OPA2134. This may be the case with low frequency filters. 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 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. (Came with the other DAC an Aune X8 XVIIIth. Those are fine. If a FET-input amplifier is required for low bias current (such as for a phono preamp), you might consider the OPA1642 or OPA1678. The new national opamps are also there with extreme slew rate of 1900v/usec just like AD815. 5V inside of the positive rail . Jan 11, 2016 · Yes sir. OPA2604 is a little bit faster. The OPA2134 is more a better replacement for the TL072 when you need a FET type. The soundstage is the only good part, it's the wider due to the bass boost and upper midrange scoop. With proper decoupling the 5532 can sound pretty good. The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. Jul 4, 2009 · OK i've been testing the OPA2227, OPA2228, OPA2134, OPA1612, and the Muses 02. Mar 25, 2018 · Frankly, their opinion about OP1612 vs OPA2134 is of no much importance as we are all aware that 1612 is a better opamp, and amirm will anyhow have a final say with his new measurements with 1612, but I will insist on getting as detailed answer as possible about the function of those 2 soldered 2134 opamps. The OPA827 for example has superior load drive,much lower distortion and miniscule DC offset. Any project fired up with the OPA 2134 is going to impress due to the cost. Only unmoderated members can post here. Joined Sep 4, 2021 Messages 9,056 Likes 15,511 Location UK/Cheshire. 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. I tried the 1656 in there but didn't feel it added anything. com SBOS450C –JULY 2009–REVISED AUGUST 2014 5 Pin Configuration and Functions D Package OPA1611, SOIC-8 D Package (Top View) OPA1612, SOIC-8 (Top View) DRG Package OPA1612, SON-8 (Top View) (1) NC denotes no internal connection. Opa2134 is a very good opamp. OPA2134 is more stable, as it is not too fast for Audio. 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. พวก opa627 opa2134 muse01/02 muses8820 muses8920 lme49720 ne5532/34 OPA1612 VS MUSE02 ทั้งคู่เป็น BiPolar เหมือนกัน Feb 28, 2021 · The new breed of TI J-Fet opamps offer superior performance to that old soldier the OPA2134. xndnpzvcowyzavzhdevcaeqcyldphtbzurkzwbeurgmromlvhfd