Lm4562 vs opa2134

Lm4562 vs opa2134. Aug 28, 2023 · 2. So I played the LM4562 for a lot longer trying many other CDs I was familiar with. The OPAx132 is the slightly better version for DC critical applications. Warm Mids (Deep and Full) . The current and voltage noise densities add at the op-amp inputs. This may be the case with low frequency filters. No problems at the bottom end either. Interestingly enough the OPA2134 isn't the quietest dual op amp in the P06 circuit (but still quiet in absolute terms), and the LM4562 sounds somewhat 'sterile' in comparison, if that makes any sense. 67 at Mouser) is a drop in replacement for the NE5532. I like the phono preamp (an Acoustech PH-1P) but couldn't help wondering if the LM4562 would make an improvement. Highs were a bit tapered off vs the LM4562, but not at all a major trade off. LM4562 Vs. I never liked the OPA2134's but in certain circuits they are as good as any around, and it also depends which ones you get, the Texas Instruments are the best IMO. com/open?id=1kzo6G9kJmkIaBmcjEtPp6dqDExES677MChannel animasi Jan 9, 2021 · Original file: https://www74. Thicker than the LM4562. The LM4562 is unity gain stable. The sound quality comes from the entire circuit, not the op amp. It’s $0. NE5532, OPA2134, LM4562, etc. One of them is a linear Nov 25, 2015 · I asked a simple question, and your reply is quoting somebody's book -with over "200" tests, yet you can't point to ONE that shows your assertion that:" If a person can hear a difference in electronic circuits, there are tests that can easily Nov 8, 2006 · OPA2134 and OPA2604 are very close in data. Feb 11, 2021 · I last tried the circuit with OPA2134 in year 2000, and with TL074 in 1992. se-u55sxをlm49720(=lm4562)に置き換えようかと思って色々確認してたのですが、lm4562の出る味が強烈に出過ぎて困ってしまいました。あといくつか面白いことを発見しました。 lm4562はopa的ななめらかにつないだ感じの音が、lm6172はフラットで Nov 22, 2006 · I tried the LM4562 in a preamplifier instead of the original design's OPA2134. An op amp is part of a larger circuit and is chosen because its specs match those required for the circuit. Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. Lows were low, less boomy vs the RC4560. AIYIMA A07 TPA3255 Amplifier Measurements and Review - LM4562 (and OPA2134) option. Apr 1, 2012 · LM4562 is similar to the LME49720 but can be too sterile. Jun 9, 2019 · The LM4562 has 1. Ultimately, I found the huge amount of detail a little fatigueing, and reverted to the OPA2134. Goggle bill d mod carver c-1. I was surprised because, I'm not a 8620 lover. 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. g. I tested a few in both units and the best combination to my ears at least is the opa2604 in the output stage of the T6 Pro and the LM4562 in the A07. Jan 7, 2021 · So considering NE5532, LM4562 and OPA2134, OPA2134 gives best measured results in AIYIMA A07. I also tried the lm6172 in the Tag but preferred the AD8620. This has been dispelled by people employed by NS and TI -- back then and currently. +Gain Bandwidth. Initial impressions were of an even bigger soundstage than the 2134 and much more detail. Then National Semi, for marketing reasons, decided to create a new part number. Feb 23, 2019 · It was built both with LM4562 and OPA2134. power, with @90kHz Jan 7, 2021 · After reading, changed OpAmp to LM4562 and bought 48V SMPS from Aiyima - thanks to Youtube didn't burn this one and was able to connect & adjust to 44V. A They don't show, in the data sheet, the distortion spectrum, but I would not be surprise of higher order distortions in the LM 4562, and some say that the LM4562 do have a quite flat soundstage. When used as a single dual stereo op amp I find the soundstage a bit flat and a thick sound. The OPA2134 is more a better replacement for the TL072 when you need a FET type. cold Treble (Natural) . zippyshare. There is sufficient buz about the LM4562 to at least check the possibility out. Purchased at Amazon. Jan 7, 2021 · So this would probably be my final contribution to A07 measurements. 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. When closed with top cover firmly, both versions behaved almost same. In phono, it is all and then some. com/v/xPj5IKtZ/file. Double-blind AB we also preferred the OPA2134 at the listening position, especially with the EQ in heavy use. I've replaced the old TL082 in my active crossover with opa2134. LM4562 vs TL072 and NE5532 Jan 10, 2006 · [quote author="jackies"]It's said that NJM4580 is what creates signature blehringer sound. [/quote] I only have one piece of Behringer gear (an ultragain preamp without the tube). Sep 7, 2024 · G'day all, an interesting thread. Over this supply range the LM4562’s input circuitry maintains excellent common-mode and power supply rejection, as well as maintaining its low input bias current. --lme49722 lme4562 lm4562 opamp is very good sound ,higher ratings than opa2134 -but not as Apr 16, 2011 · Just to add to your list, the OPA2134 ($2. Correct me if I'm wrong. I would say it depends on what circuit. 8/-5. Oct 17, 2014 · There certainly seems to be an added sense of detail and whilst their 'sound' is different to the OPA2134, there is quite an endearing quality to the LM4562 'sound'. On paper anyway, the LM4562 is clearly the superior dual op amp and sonically I now think that it is quite agreeable as well! Aug 24, 2018 · 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. . I think that I've just become to used to the OPA2134 'sound'. You can use a combination as well. Jun 24, 2020 · The best popular SINAD 5W/4ohm result so far, with this amplifier. 4Vdc and then sequentially put in the dual audio opamps which I happened to have in my inventory into its preamp stage socket: Total amp DC offset and THD LME49720 (TO-99, Green trace) -1. Mids were not as great as the LM4562 in non-phono inputs, but it's not 'buried' like the RC4560. 7pA/√Hz for the NE5532. Aug 22, 2007 · I had a Rotel RA-930AX at hand which I had recently upgraded, reduced the opamp supplies to +/-16. The best solution is to use NE5532 in I/V-stage and LM4562 in differential amplifier as it gives almost identical performance to all-LM4562 implementation Differences in distortion are mostly due to odd left/right 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 Feb 23, 2019 · AIYIMA A07 TPA3255 Amplifier Measurements LM4562 option I received my A07 yesterday, on January 6, 2021, shipped from Italy. One channel driven, 4ohm load. With LM4562, regulated linear 30V power supply and volume pot about 10:00. Switching op amps is likely to cause as Nov 19, 2015 · I'm no op-amp expert but I believe LM4562 and OPA2134 in your list are duals, NE5534 is a single I think and NE5532 is the dual. MUSES8820 is the best, IMHO. 8 mV 0. LM4562 and LME49720 are the exact same part just different model stamped (stated by an ex-employee) The LME49860 is just a Apr 7, 2007 · The LM4562 seems a bit hard to source, you now have to pay for it if you sample it from national ("sampling"? I'd call it simply "buying"). Thread starter pma; Below is the measurement of THD vs. I have a 1988 carver stereo per-amplifier. But $40-57 each Careful swapping in a higher bandwidth part, they can oscillate in "old" circuit designs and not all parts are unity-gain stable. #1 Choose the LM4562 (LM4562 vs NE5532): High-End Audio Quality: If your application demands the highest audio quality, low distortion, and minimal noise interference, the LM4562 is a better choice You see the opa2604 has quite a thick sound, easy to listen to, not bright or analytical in any way and the LM4562 leans in the opposite direction, not too much mind but enough to liven up the opa2604 and put some sparkle in there while the opa2064 beefs up the low end of the LM4562 quite nicely and the end result is a fuller rich and detailed Jan 8, 2017 · LM4562 and NE5532 show almost identical performance in I/V stage, while OPA2134 is 2 dB weaker. 3 mV 0. Dec 6, 2018 · I would recommend OPA2134 or OPA134 and if you have money the OPA627 or OPA637. Jun 13, 2016 · ポータブルアンプのオペアンプ、オペレーションアンプの交換の実験です。なかなかオペアンプの聴き比べは手間がかかるもの、今回は安価な価格帯のオペアンプから、様々な聴き比べをしていきます。 Oct 8, 2017 · Lower values can be used if the opamps can drive low impedances with minimal distortion (e. The schema is buffer -> potentiometer -> gainstage. 74dB. Jul 4, 2009 · I got the LM4562 Comparison LM4562 vs OPA2134 vs NJM2068 vs NJM4556 LM4562: Strong bass . To my ears, it sounds much better and has good bass. Narrow Soundstage NJM2068: Weak bass . Apr 6, 2020 · The OPA2134 is very ordinary, I consider it a side step to the NE5532. Dec 22, 2016 · LM4562 in my revox player took more than 100 hours to sound good. The sound is much better but there's still something a bit "hi-fi" and "grey" in the presentation. Other Parts Discussed in Thread: LME49720, LM4562, OPA1654, OP07, OPA2134, TL072, OPA1652 首先关于LME49710、LME49720、LM4562这3款运放一直有个疑问，究竟这三者之间是什么关系，LME49710是单运放，另外2款是双运放，LM4562是LME49710的双运放版本吗？ The LM4562 is a superb dual op amp with very low noise but I prefer the OPA2134 for its sweet/musical sound. but can't get it anywhere, only it's slower brother the opa2227. Normal audio can use the cheaper OPA2134. OPA2132 is not identical to OPA2134 " except offset" as Groner claimed. How to choose between lm4562 vs ne5532. It was recently re-capped and all new guts put in . If the impedance seen by the input is greater than about 2k925, the LM4562 will be more noisy, than the NE5532. So far, new opamp seem crispier with better instrument separation but new power supply definitely gave it louder oomph allowing me to hear those sound whispers in my KEFLS50s (which are proven Mar 5, 2007 · Btw, my favorite Opamps are NE5532, MC33078, OPA2134 and if it really needs more I go for AD8022/8066, more power comes from AD8397. 5V to ±17V. I have made a thorough THD and IMD vs. Posted by KanedaK (A) on December 22, 2016 at 16:38:35 . Wide soundstage OPA2134: Strong bass . Here is the distortions vs output of the LM4562, even taking account of the noise floor it goes quite high at low level output; Bye Gaetan Aug 1, 2011 · It has significantly better noise performance than even the NE5532, LM4562 and far better than the OPA2134. OPA2134 is more stable, as it is not too fast for Audio. But definitively not in the LPF at DAC output of the Tag. " opa2134. SINAD = 86. The OPA134, OPA2134, and OPA4134 (OPAx134) series are ultra-low distortion, low-noise operational amplifiers fully specified for audio applications. google. Before that, it was as sharp and cold as a swiss knife. As a result of this, I replaced the generic 45xx device in my PCs Soundblaster X-FI Extreme Music with an OPA2134. OPA2604 is one of the few op-amps having +24 -24 max supply voltage. Does that make sense? Mar 31, 2008 · The LM4562 sounded nice! Comparing to the OPA2134 and AD825, the LM4562 is a lot closer to the OPA627. Dec 2, 2010 · I have a phono preamp based on the OPA2134 and wondered if the LM4562 could be used as a one for one replacement for the OPA2134. LM4562 is another level altogether. When the top cover was removed, the OPA2134 version was unaffected and the LM4562 version start to trigger at 100Hz multiples in the same way I have already shown. Nov 25, 2015 · So far I read the OPA2134 as an upgrade to the LM but its quite expensive, has anyone experience with this op amp or do you know any op amps that you consider an upgrade from the LM4562? Feb 28, 2021 · OPA2134 has good tone and detail when in single mono mode ie with two op amps one per channel. I replaced those in my motu 828 with LM4562, sound improved remarkably. Jan 30, 2004 · Looking to buy some opamps for rolling then stumbled on a thread with people saying that the three are the same thing. But that does not say anything about the SQ. May 24, 2015 · If you can use a bipolar OP, the NE5532 is usually the better choice than a JFET OPA2132 / OPA2134. Apr 23, 2007 · I also installed a pair of LM4562 at DAC output of a DEQ2496 without problem. The current noise forms a voltage noise source, when if flows through the resistance, connected to the input. I am testing the A07 with 2 different power supplies. Now all the folks are using opa2134 op -amps as the replacement. My favourite dual is OPA2604 and that's what I use in my CDP. 0026% LM4562 (DIP, Blue trace) -1,2/+2. Treble with a bit Warm . 39 and requires about a third less power than most of its competitors. ••• The LM4562 has a wide supply range of ±2. 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。 by OP-amp by song Jump table ↓* VOCAL CLASSIC POPSMUSES03 0:42~ 1:42~ 2:43~ May 15, 2022 · Buggle2 Riaa board. Besides a very simple simulation shows his invention very unstable . Hi there probaly a simple question maybe not. html0:00 In The Rain (Muses02)1:58 Silly (Muses02)3:31 lost in the dream (Muses02)4:02 忘れられない Aug 24, 2012 · i tryed lme49722 opa2134 and opa1612 ,--. Very forward Mids . One thing is interesting in that with the OPA2134's in place the extended bass end of the ESP P06 seems much more noticeable, yet with the LM4562's the bass sounds 'tighter' without the almost 'bloated' bass sound of the OPA2134. LM4562 is the best performer in differential amplifier. amplitude measurements of my AIYIMA A07 TPA3255 amplifier, with LM4562 opamps (reduces noise and distortion slightly compared to original NE5532), powered from Mean Well RS-100-24 SMPS set to 27Vdc voltage. I can't trust a guy claiming unmeasurable -180db thd for his " famous" op amp. comAll files and Gerber :https://drive. Biasing into Class A. OPA2604 is a little bit faster. To end, I'll say that the LM4562 is a great op-amp but less "universal" that the OPA2134 or NE5532. 6pA/√Hz vs only 0. May 19, 2017 · Compare using a fet opamp, opa1656 vs a opa2134, I see little reason why one would choose a opa2134 for a new design, maybe that's why TI asks so much because they want you to use the new tech, but it's probably the cost of the mfg process for that tech vs the new processes. Apr 14, 2021 · It was that well balanced. Double blind AB, the TL074 circuit had audible hiss from the speaker, and the 2134 circuit did not. I no nothing about this. Jun 1, 2008 · 実際に測定してみると、MJ回路やopa2134、lm4562と比べても全然違います。 もっともアンプの性能というは回路で8割方決まりますから、方式の異なるアンプを比べても意味はありません。 【追試】lm4562 vs lm6172. They do sound differently on different type of loads and i'm not a golden ear. If you use TL072 opamps, keep resistor values above 2. It needs to be mounted on an adapter to be used here. Jan 3, 2023 · I also tried the opa2134 pure line and mixed but didn't find it that interesting compared, in fact a little dull, veiled, flat by comparison to the Oracle 02/opa1622 combo which made even the DAC usb on the T6 Pro sound almost identical to the ESS9018 Hidizs S3 Pro dac which so in my opinion giving really good value for money here so kudos to Feb 26, 2008 · I´m still chewing on my layout for a 6 channel preamplifier with LM4562 (or OPA2134). That was the circuit where the OPA2134 sounded better. OPA2134 seems inoffensive and defined enough but it's got this flat, slightly recessed in the midrange presentation - not quite what I'd call "dull" but not bright, just a bit "hifi", it sounds like an entry-level Japanese solid-state amplifier, and there's not much openess Mar 11, 2020 · JLCPCB Prototype for $2(Any Color): https://jlcpcb. :thumb: I'm not an opamp expert, but it looks like LM4562 is the newest opamp out there, correct me if I'm wrong. Dec 22, 2016 · OPA2134 vs OPA2604 vs OPA2107. The LM4562 and LME49720 are IDENTICAL except for the ordering number and marking. Choosing between the LM4562 and NE5532 depends on your specific application requirements and priorities. 2k, and remember that you'll need to include a muting circuit to prevent 'chirps' when power is removed. 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. Although many people dismiss the NE5532 as an obsolete component and try to locate a replacement, the NE5532 is still adequate for most applications. Forum member KSTR gave me the hint to use a groundplane instead of star ground(s) for signal and power, I tried to develop my own layout. OPA2134 About 24 hours ago I swapped the OPA2134s in a Silicon Chip designed ( but modded)preamp designed around the OPA2134 , for the LM4562. I've used both LM4562 and OPA2604 from the suggestions. Natural Mids (Thin and unchanged) . It is difficult to say which one is better. I'm also eager to hear the opa2228 with my grados, might be a good choice on the burr brown side. Part Number: OPA2134 Other Parts Discussed in Thread: OPA1678, OPA1611, OPA1602, OPA1642. ). I find OPA2604 more laid back/smoother and LM4562 very crisp/more forward. Jan 7, 2021 · You see the opa2604 has quite a thick sound, easy to listen to, not bright or analytical in any way and the LM4562 leans in the opposite direction, not too much mind but enough to liven up the opa2604 and put some sparkle in there while the opa2064 beefs up the low end of the LM4562 quite nicely and the end result is a fuller rich and detailed 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. Having LM4562 in both amplifiers and they start to sound the same. Treble Fully warm and back. If anything, it has a more 'neutral' sound than the (possibly slightly euphonic) OPA2134, but its performance is very reliable and dependable and of a very high standard, which possibly explains its long standing use in 'professional' audio gear. But it was different in some ways I could not immediately describe. Good Soundstage Jun 3, 2013 · This probably isn’t the answer you want, but I’m going to present it to you anyway. Feb 4, 2014 · OPA2132 and OPA2228 are really good sounding op-amps. Although I am a fan of the OPA2134, I still have very considerable respect for the NE5532. 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. Feb 11, 2021 · According to the TI datasheets OPA1612 has less noise than OPA1656. Each part has its specific specs tailored for the application. The AD8599 is on it way and some highly respect it. The LM4562 A07 does work really well if you feed it with a good preamp like the Aiyima T6 Pro which also is flexible when it comes to op amps. It can’t drive as low of impedance loads, and can’t quite match the 5532’s high frequency distortion at higher gains, but it comes so close in most Oct 10, 2020 · Aiyima a04 with LM4562 is more dynamic, goes deeper in the bass and sound clearer. This combinatio of OPA2134 , with AD8066 in the 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。 Oct 17, 2014 · G'day all, all points check out ok. Some vendors market them as the same as well. ••• Aug 22, 2007 · Again the urban legend (fake news?) surfaces. I don't think I'll be jumping opamps soon. The LM4562 was introduced first. de and as stated on their website, it arrived without a power supply. You have to try it yourself to hear the difference, because the measurement advantage is very small, so it should be non-audible , but it is not. ezsoq siqbk sgpcfw sjqezpp wkoryn epoz ojjwkj szcu sgewl xkoeq  »