Lm4562 vs opa1612. Worth every penny. OPA1612 is one the most low-noise opamps ever built, so totally recommended for unity-gain stages (LPF or output stage of a DAC, but also I/V stage too). 0014% THD (see Figure 4. --lme49722 lme4562 lm4562 opamp is very good sound ,higher ratings than opa2134 -but not as Jul 6, 2024 · 比較したのは高音質のもの限定で厳選した電圧帰還icのlme49990、opa627、muses8920、opa1612（opa211）等ですが、これらよりも圧倒的に良いです。音はths4631の印象と近いのですがths4631側の安定性の問題（発振していると音質が劣化する）で同じ条件で直接比較でき Dec 28, 2017 · 总谐波失真(THD): 0. 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. 1nV/√Hz Noise, Low THD and Precision | TI. Last edited: Dec 29, 2023 Aug 22, 2007 · Unless you consider the OPA1612, LT1028, LT1115, 1N A217, or the THAT 1580---which are ALL quieter in a phono stage. com then replace all the other njm4565 with the LM4562 to improve signal path through the AD/DA and finally the main line outs. OPA1611, OPA1612 www. 00046% under the same conditions. Some say it is the same as LME49720, but anyway this LM4562 is lot cheaper. My perfect sound would be the 1612's with the bass of the 2132's. There is a whole family of LME parts of op. And this preamp sounds MUCH better than Audio Research, Burmester and Accuphase preamps costing above €10. 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. Aug 1, 2011 · The LM4562 was the first op amp to unseat the NE5532 as Doug Self’s overall benchmark. I find OPA2604 more laid back/smoother and LM4562 very crisp/more forward. Jan 10, 2016 · OPA1611 vs OPA134 or OPA1612 vs OPA2134. Overall distortion dropped about 12 dB in a loop back measurement (DA_out--> AD_in of the card). Mar 22, 2023 · OPA1612到了后，自己先试了试OPA1612+JRC5532，感觉和OPA1642+JRC5532没什么区别，我试了好些碟，也试不出来什么区别；三频几乎没有差别，打分还是一样的，90分水平； OPA1612+OPA1612，这个组合的高频给我非常好的感受，比OPA1642+JRC5532明显更细腻一点，高频的线条感更好 Feb 11, 2021 · At 10 Vrms and 10 kHz, with a 10 kΩ source resistance the 5532 generates 0. strangely its probably the most boring sounding one when paired with 400i but the best sounding with hd600 Feb 4, 2014 · Only really better substitution for NJM4580 for example as Pre-Amp can be no less then OPA2228 or even better OPA1612, but for that -3dB less noise (and distortion) over whole audio spectrum you will have to play premium extra. And all but the 1NA217 have less distortion, some by an order of magnitude; and all are faster than the NE5534. But that does not say anything about the SQ. May 19, 2017 · OPA2211A/OPA1612 also sound a bit better than LM4562, IMO. Nov 26, 2017 · thanks for your tips! i have tested the opa2604 and the LME49720 compared to the ne5532. 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。 The different players sounded different. the ne5532 looks a bit harder, narrower and more direct, the other two a bit more relaxed and by OP-amp by song Jump table ↓* VOCAL CLASSIC POPSMUSES03 0:42~ 1:42~ 2:43~ OPA165x Ultra-Low-Noise, Low-Distortion, FET-Input, Burr-Brown™ Audio Operational Amplifiers 1 Features • Ultra-low noise: – Voltage noise: 2. Jan 5, 2020 · The OPA1612 is more robust against EMI than the LME49720. I've used both LM4562 and OPA2604 from the suggestions. You should be able to find single-to-dual DIP8 adapters for mounting 2xAD797 on a DIP8 socket. It also depends largely you design for. The LM4562 is electrically identical to the LME49720 but cheaper ($3) and comes in a DIY friendly DIP8 package. Feb 28, 2021 · The new breed of TI J-Fet opamps offer superior performance to that old soldier the OPA2134. Perhaps the LM4562 came out before the change so they made a new part number to indicate high end part. Jun 19, 2021 · The latest op-amp that I am still using until now is LM4562. This takes a slight hardness off high 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. 00003% @ 2k欧, VS=± 15V 压摆率: 20V/μs 增益带宽: 55MHz 因为稳压板加调压板坏了，只能用电池供电，18V的高压下，听到了各种直流信号，和手机信号的干扰，但还是能听出这个顶级运放的基本声音的。。。 主要感觉就是顶级白开水。 Aug 24, 2018 · THD+N Ratio vs Measured Level / Inverting 6dB Gain / 100k load / 22. My favourite dual is OPA2604 and that's what I use in my CDP. May be that is reason why LM4562 is popular with many OEMs. May 23, 2018 · What are your thoughts on OPA1622 vs OPA1612? Last edited: Sep 18, 2019. Aug 1, 2024 · LM4562 max safe current (11MHz vs, 55 MHz)---thus much less chance of oscillation in vintage circuits. The damn thing played holographicall. 9 nV/√Hz at 10 kHz The LM4562 has a wide supply range of ±2. Especially on the sound-stage and overall music presentation is more forward with this LM4562. Sep 14, 2021 · Of the op amps in my collection the massive misbehavers are the OPA1656, the LME49990 and the OPA1612. ti. LM4562-+ LM4562 10pF + + INPUT OUTPUT 47 k : 150 : 3320: 909 : 26. Does the OPA2228 sound much better than OPA1612 in the same circuit? And how does it compare to LM4562? Aug 22, 2009 · I talked to a TI/B-B applications engineer today. I have fitted 78L12/79L12 regulators close to the AD8066, and replaced the manufacturer recommended 100nF ceramic bypass capacitors with normal 100nF 63V types. Avoid LM4562/LME49720 and OPA2134/2604 if you do not want to re-engineering circuitry to make it stable. Having LM4562 in both amplifiers and they start to sound the same. Reports are that both should produce great sound. Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. I have not tested the OPA1612 with high value bias resistors to see if it has the latch-up/bias current correction start-up issues of the LME49720. #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 Jul 5, 2021 · The OPA1612 is the current audio bee's-knees. I don't care about listening tests or something else, just want to use the technical better one in my amp. Old op-amps such as the LF412 and TL072 are more than good enough for 99% of audio applications. On some of the newr parts TI has released measurements of the EMI immunity, e. The “width” of the sound stage seems fixed and artificially (too) wide. May 15, 2022 · LME49720 vs OPA1612 vs Muses02. The sound difference after using NE5532P to this LM4562 is somehow so much different. ~42mA drive should be enough, I will have to look at its output impedance characteristics. 2022-05-15 10:48 am #1 Apr 10, 2019 · By newer I meantnewer, because OPA1612 is a newer design then let's say NE5532 or even LM4562. Find parameters, ordering and quality information 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？ Nov 12, 2018 · The OPA1612 is a bipolar IC while it's brother the OPA1642 is a JFET. Help! Oct 10, 2020 · Aiyima a04 with LM4562 is more dynamic, goes deeper in the bass and sound clearer. LM4562 and LME49720 are the exact same part just different model stamped (stated by an ex-employee) The LME49860 is just a OPA1611, OPA1612 www. Be sure to include the AD746, the OPA2209, and the ADA4898-2 (mounted on SOIC-to-DIP adapters) in your rotation. In terms of noise performance in the real world the OPA1612 beats the LME49720. 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. It really depends how much work is involved. I strongly suspect that the LM4562 has a more sophisticated input stage than the 5532, probably incorporating cascoding to minimise the effects of common-mode voltages. So, it is a different design and chip. 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. 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. Member. The completely docile op amps are the OPA2604, the OPA627, the OPA2107, the LM4562/LME49720 and the OPA2134. TI’s LME49860 is a 2-channel, 44-V, high-fidelity, high-performance audio op amp. Oct 3, 2018 · This made me think to go extra slutty and replace it with the BurrBrown OPA1612: OPA1612 SoundPlus™ Audio Operational Amplifier with 1. Nov 22, 2006 · AD8066 vs LM4562 I am using an AD8066 in the O/P stage of a Musical Fidelity X-DAC V3, preceded by OPA2134s, instead of the original all NE5532s. And of course the OPA1612. Feb 29, 2008 · I've read about the 'Sondigo vs. Those are fine. Joined Sep 8, 2012 Messages 848. Aug 24, 2012 · i tryed lme49722 opa2134 and opa1612 ,--. 8dB vs the 1. g. the differences aren't huge, but big enough to make a change worthwhile. JohnYang1997 Jul 23, 2022 · DACのオペアンプを交換しました。線が少し細くなりましたが、小音量で全体のバランスが良くなり高域のクリア感が増しました。SOP8パッケージの交換は面倒なので、最後にすべくOPA1612に変えちゃいました。SOP8をDIP変換で交換出来るようにとも考えましたが、安定性を考えて中止です。 Jun 7, 2016 · The performance of the stock op-amp LM4562 is best characterized as clean, lean, fast, but relatively laid back. Both of them can be replaced according to the user's taste or the specificity of the whole sound installation in order to change the sound flavor. 5V to ±17V. That said, a few people consder the OPA637 an 'upgrade' from the AD8620. forami. Jan 10, 2016 #1. Dec 16, 2023 · I have some experience swapping ne5532 in Aiyima amplifiers to opa 1612 and lm4562, and I think the bass dynamics is slightly better with lm4562, and the soundstage more exact with opa1612. amps and drivers yet only the LM4562 and LM4702 that are not part of these families. Apr 7, 2023 · 当然，目前也有很多新型高性能运放器面世，例如TI的LM4562和LME49720、Analog Devices的AD797和OPA1612等，这些新型运放器在音频性能和适用范围等方面更为出色，因此也被越来越多的音响产品采用。 Apr 21, 2019 · vs Burson V6 Vivid The V6 Vivid has a faster attack than the classic, but still not quite as fast as the SS360x which allows the SS360x to wring out just slightly more detail than the Vivids. Jan 19, 2023 · Buy and try several. Some vendors market them as the same as well. 6 ) but the LM4562 gives only 0. プライバシーポリシー 当サイトでは、以下のとおり個人情報保護方針を定め、個人情報保護の仕組みを構築し、個人情報保護の重要性の認識と取組みを徹底することにより、個人情報の保護を推進致します。 Apr 6, 2020 · They are not bad opamps at all. Also comparisons of the OPA627 and OPA637 would be good. The LM4562 is unity gain stable. the OPA209 family. 1-nV/√ Hz noise density with an ultralow distortion of 0. ••• Two LM4562 operational amplifiers mounted on DIP-8 support (removable). My 24/192 sound card had the standard 3532A's on board. 1 Portable: AK100-II + Dita Truth. 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. 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. Thread starter oldphaser; Start date Jan 10, 2016; oldphaser Chief Journeyman. The OPA1612 does not seem to have the process contamination of the LM497X0 that produces rocky-sounding noise. 000015% at 1 kHz. Pin can be left floating or connected to any voltage between (V–) and (V+). A number of years ago, I upgraded the stock LM6172 op-amps in a Marantz CD67-SE to OPA-627s, as part of a hot rod job (upgraded caps and fully reworked output stage). According to the TI datasheets OPA1612 has less noise than OPA1656. A comprehensive comparison between OPA1612 and OPA2156 (and other opamps) could be read here: https://quantasylum. 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. 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 Jul 30, 2021 · If I could also request test of: OPA1642 ~ 2 Euro OPA1656 ~ 2. but the difference between opa2604 and LME49720 is much smaller than the difference between these two compared to the original ne5532. Most of the listeners would be perfectly happy with it. 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. - high levels of DC precision are generally not required by audio customers (audio equipment makers). May 9, 2023 · Hello together, i want to put one of the mentioned OP Amps in my amp. I ran a double blind listening test of dual opamps a couple years ago and the grandfatherly old LF412 was shockingly highly rated. 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. Highs are very extended and clean with great projection. Feb 11, 2021 · Member. Click to expand Jul 5, 2006 · Yeah, LM4562 is a good alternative, I think it can directly drive headphones without need of a buffer. They are "better' ones you can try - LM4562 is always a good candidate just check the supply voltage fist. May 24, 2015 · You can however measure the difference. com SNAS326K –AUGUST 2006–REVISED DECEMBER 2013 LM4562 Dual High-Performance, High-Fidelity Audio Operational Amplifier Check for Samples: LM4562 1FEATURES DESCRIPTION The LM4562 is part of the ultra 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。 Feb 11, 2021 · Even AD797 or OP627 cant hold a candle vs OPA1612 in terms of SQ - the difference is HUGE! My preamp sounds best with OPA1612 for gain and OPA2192 as buffer. Joined 2022. I replaced them with LM4562's (and did some extra PSU filtering). How to choose between lm4562 vs ne5532. Thanks in Jul 3, 2019 · Opa1612 and LM4562/LME49720 are both good. My statements were verified: - OPA1611/1612 are optimized for better distortion than the OPA211 (already pretty good). But can't think of any reason to use them elsewhere other than in preamps and bus summing amps, and in audio test equipment. 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. Aug 28, 2023 · 2. Now we're talking! Detail, soundstage, imaging, wow! Only downside is a definite reduction in midbass punch. The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. Choosing between the LM4562 and NE5532 depends on your specific application requirements and priorities. Nov 25, 2015 · Ive compared the NE5532, NJM4556 and LM4562 so far. Probably the first op-amp you can't beat using external front end transistors in a mic amp. One other very noteworthy difference is the Vivid has a strong attack, but loses a bit on the decay so sustain is better on the SS360x. the OPA1612 oscillated like crazy, and the OPA2604 and May 2, 2023 · The LM4562 is a little faster and is thus more effective at eliminating 1622 peaking (about 0. May 19, 2017 · An OPA1612 has slightly better specs than an LM4562---less noise and distortion, faster, and more output voltage swing. Correct me if I'm wrong. Maratnz likes to drive 5532s with the full swing of +/-22V which is too much for most of the stock replacements. Samuel Groner did raise some common mode concerns with the LM4562 depending on how it’s configured. If you want discrete, then Sonic Imagery 994 or the Weiss op amps. X-fi Prelude' comparison a few threads down and I basically concluded from that the AD8620 might be considered better than the default LM4562. Desktop: S-Audio Focus 2 + NiNO Final Carbon Mk3. IMO, the ADA4627-1 has a fuller, more "musical", sound than the somewhat thin/sterile LM4562, whilst still retaining nicely detailed highs, and remains my favorite sounding op amp to date. Apr 17, 2022 · So, did some research and ordered up OPA1612's with SOIC Adapters. ADA4625-1/2 are supposed to be even better than the ADA4627-1, though I've yet to try them. To me, the sound is just too laid back. The OPA827 for example has superior load drive,much lower distortion and miniscule DC offset. LM is the best overall, it sounds the most balanced, very natural/smooth/clean, doesnt exaggerate anything but can sound lacking in impact. 000. Dec 6, 2018 · Just replace the original op-amp with one with a similar specification, if it's not possible to find an exact replacement. Mar 22, 2022 · LME49720 (dil), fet input, bi-polar output, very good opamp especially dynamics and the bass, which is think is tightened up artificially by the midrange being slightly thin/hot, making the leading edge of bass seem tighter and faster. 83 k : 100 : 150 : 22 nF//4. Aug 22, 2007 · National uses an additional 'E' in the name (LMExxxxx) to indicate their new high performance audio products. I use the the 1641 in my Marchand XM44 to replace the OPA2134 as it is a JFET. 1 k : 3. 7 nF//500 pF 47 nF//33 nF LM4562 www. com/blogs/news/opa2156-hifi-in-cmos. Aug 26, 2018 · lm4562、lme49720：三频非常平衡，高频中规中矩，中频和低频都不错，声场不错，但久听感觉高频缺乏感染力，总体还是不错。 推荐度：★★★☆ LME49860：三频非常平衡，高频通透，中频和低频中规中矩，声场不错，总体还是比较耐听，感觉比LM4562、LME49720好一些 Dec 17, 2018 · The OPA-627 is a terrific op-amp. 7dB I mentioned), but it would limit output capability on ±15V supplies, which this is designed for. Since it's so inexpensive, give it a shot. . The sparkos opamps are very good as well but are IMO sonically warmer than the Sonic Imagery. Thread starter forami; Start date 2022-05-15 10:48 am; Jump to Latest F. selyopdircnbcampnxznlefbydwlvfrlffmwlkimsqfgfbxkiacozs