Lm4562 vs opa2604 vs opa260. I cannot recommend a 48V power supply because of the A07 internal temperature with the 48V PSU, in case I 透明感がある。低域に適度な量感がありつつキレが良い。解像度も良く、音の速さを感じる。opa2604のクセが気になる人には、良いチョイスかも知れない。几帳面なほど正確であるが、面白味にはちょっと欠けるか。リファレンス向き。卓にも良い。 muses8820 Aug 28, 2023 · 2. OPA2134 is more stable, as it is not too fast for Audio. Feb 1, 2006 · The 134 series have now been superceeded by the OPA1641/2/4. OPA2604 is one of the few op-amps having +24 -24 max supply voltage. I am testing the A07 with 2 different power supplies. 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. 5RQ Balanced Power - Tascam CD200 - Oppo 93 - Auvio HD Radio Tuner- MiniDSP OpenDRC-DI DSP, 2x4HD - AcourateDRC - UMIK-1 - ECM8000 - REW - Behringer DEQ2496 - Behringer UMC202HD and Focusrite 4Pre USB - Benchmark DAC2 HGC - Krell KCT pre and FPB 350mcx monoblocks - Sennheiser HD650 - MartinLogan reQuest 15" x 48" electrostatic hybrid with 12" sealed woofer 180Hz cross OPA2604 4 ® TYPICAL PERFORMANCE CURVES (CONT) T A = +25°C, V S = ±15V unless otherwise noted. Edited April 6, 2020 by muon* by OP-amp by song Jump table ↓* VOCAL CLASSIC POPSMUSES03 0:42~ 1:42~ 2:43~ LM4562-+ LM4562 10pF + + INPUT OUTPUT 47 k : 150 : 3320: 909 : 26. Jan 3, 2023 · There are clearly sounddifferences between opa2604 and lm4562. In that case, for example, the Sparkos SS3602 sounded very sharp, the OPA1612 oscillated like crazy, and the OPA2604 and TL072 were very dark sounding. At least it lacks the unfavorable 7th which the OPA2604 has. 追記; 関連記事; 関連記事. One can almost not find two more different sounding IC:s. The overall sound balance is quite neutral, and detail is very good but not extreme. Nov 25, 2015 · This probably isn’t the answer you want, but I’m going to present it to you anyway. ••• Oct 8, 2001 · TI/Burr Brown's OPA2604 is a good alternative as well. Prodigy 205 points. The LM4562 has higher 2nd harmonic (if that is what you wan´t) but higher 5th too. 5V to ±17V. Because of (at least) the input stage differences (JFET vs. Correct me if I'm wrong. 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. International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. 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. Feb 25, 2007 · Bypassing from V+ to V- will be good. 5 vs 8 nv. X-fi Prelude' comparison a few threads down and I basically concluded from that the AD8620 might be considered better than the default LM4562. 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 Jan 7, 2021 · The LM4562 sitting in the A07 and the BB opa2604 sitting in the preamp output stage. The first one is sounding warm and innofensive, and the LM 4562 is cleaner and leaner. Choosing between the LM4562 and NE5532 depends on your specific application requirements and priorities. Thread starter 439598; Start date Dec 15, 2017; Jul 5, 2006 · Hi All, Can OPA2604 be directly swap with LM4562/LME49720HA/LME49860 in a DA Thanks to Esperado's recommendation on another thread I recently tried out the OPA260 Aug 1, 2024 · And when I was making a Whammy headamp, I got by far the best sound with the Muses 02. The LM4562 and LME49720 are IDENTICAL except for the ordering number and marking. but the difference between opa2604 and LME49720 is much smaller than the difference between these two compared to the original ne5532. Help! Sep 7, 2024 · G'day all, an interesting thread. 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. Jun 3, 2013 · LM4562 vs OPA2134 vs [ ? ] Home. 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 Jan 6, 2010 · I have an Onix XCD-99 which is basically a Music Hall CD-25. Apr 17, 2021 · I will show the difference between the OPA2604 vs the NE5532 OpAmp. Those are also low bias FET inputs with a rail-to-rail output section for greater headroom. My favourite dual is OPA2604 and that's what I use in my CDP. OPA2604 provides wide dynamic range, even with high source impedance. Then National Semi, for marketing reasons, decided to create a new part number. Some vendors market them as the same as well. 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. OPA2604 SBOS006A–SEPTEMBER 2000–REVISED DECEMBER 2015 www. 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 regardless. , Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111 May 15, 2022 · Buggle2 Riaa board. The OPA2604 is available in 8-pin plastic mini-DIP and SO-8 surface-mount packages, specified for the –25°C to +85°C temperature range. 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 System: Equitech 1. The cost is about $30 in a local store. LM4562 and LME49720 are the exact same part just different model stamped (stated by an ex-employee) The LME49860 is just a Dec 19, 2020 · The Aiyima Tube A3 Pre-Amp consists of :- - 6k4 tubes with replaceable tubes mentioned as: 6J1, 6J2, GE5654, 6J3, 6J4, 6J5, 6*1N, 6AK5 - Stock Op Amp is NE5532P Where can I buy the above mentioned replacement tubes and LM4562 Op Amps ? Apr 16, 2011 · Get it all working first and then I would suggest trying the OPA2604 and perhaps the LM4562. It has a strong output stage as well as JFET inputs. 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. Crosstalk vs Frequency VCC = 15V, VEE = –15V, VOUT = 10VRMS AV = 0dB, RL = 2kΩ 201572c9 Crosstalk vs Frequency VCC = 12V, VEE = –12V, VOUT = 3VRMS LM4562 Jan 1, 2019 · Sparkos SS3602, OPA2604 and JRC4580D, NE5532 small differences MUSE02 the worst! Weird sound, where are the bass? Sparkos is too expensive (85€ x2), then OPA2604 is the best choice. To the future, maybe OPA2828 with DIP adapter NE5532 vs OPA2604 -> the second is more musical, better voice OPA828 DUAL with DIP8 adapter Aug 22, 2007 · Again the urban legend (fake news?) surfaces. Feb 23, 2019 · AIYIMA A07 TPA3255 Amplifier Measurements LM4562 option I received my A07 yesterday, on January 6, 2021, shipped from Italy. Feb 28, 2021 · Curiously enough it seems to sound its best in combination with the OPA2134. Feb 29, 2008 · I've read about the 'Sondigo vs. OPA2604 is the most "coloured" sounding (in the nicest possible way) and the LM4562 probably the more clinical. I will measure the A07 output power and spectrum cleanliness with this power supply. Aug 22, 2007 · The LM4562 and LME49720 are IDENTICAL except for the ordering number and marking. The LM4562 has a wide supply range of ±2. 7 nF//500 pF 47 nF//33 nF LM4562 www. ® OPA2604 Distortion Rejection Circuitry* (3 Aug 24, 2018 · THD+N Ratio vs Measured Level / Inverting 6dB Gain / 100k load / 22. It has one of the politest and non-fatiguing presentations of the group, and allows one to listen for hours without strain. It seems to miss a certain slam I had with the opa2132, might be because of the lower output current it can supply, 16 vs 40mA. Jun 13, 2016 · ヘッドフォン部にはopa2604が使われていますが、vantamの時と少し印象が違います。 dr. For example; for Headphone Amps. Jun 1, 2008 · 今回調べたなかでは、opa2604、opa2134、lm4562の周波数特性がいいですね。 2114はオーディオ用としては定評がありますが、あまり高周波での利用には向いていないようです。 358は一番周波数特性が悪いようですが、なんかゼロクロスに変な挙動が見えます。 Jan 3, 2023 · There are clearly sounddifferences between opa2604 and lm4562. I have used the OPA2134 as the first gain stage in a number of high quality DIY phono stages, with the LM4562 in the second overall gain stage. I also used a pair of Mullards 5654 8100 valves instead of the Jan 5654 stock that came with the T6 pro which can be a little bright at the top end but the Mullards are like the opa2604, nice and thick sounding with a strong low end. An interesting Is OP Amp swapping the key to better sound quality or a complete waste of time?Op Amps: https://fosiaudioshop. It provides a wider bandwidth, lower noise, and higher slew rate compared to the NE5532. Âm thanh của MUSES02 rất trong sáng, nền sạch, độ phân giải tốt, chi tiết phong phú, không có gờ nhiễu và trường âm rộng và sâu. They also have a lower supply current than the 072 series making them safe for limited current power supplies. The OPA2604 is a high-performance audio op-amp known for its exceptional sound quality and low distortion characteristics. Also comparisons of the OPA627 and OPA637 would be good. This video title is; 2Which OpAmp is Better for 20W Class A Amplifier - OPA2604 vs NE553 Jan 7, 2021 · I have ordered Mean Well RS-100-24 SMPS power supply, 24V/4. I didn't investigate further, and I didn't have the OPA1656 nor the 1642 to try. Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. Best to check with a scope for stray oscillations. Nov 25, 2015 · LM4562 vs OPA2134 vs [ ? ] Home. The opa2604 is a fet opamp and 4562 is a bipolar based IC. IC opam âm thanh MUSES02 chính hãng ( có thể nâng cấp cho OPA2604 NE5532 LM4562 ) MUSES02 là một opam đôi - dual-op - cao cấp hàng đầu sản xuất bởi Công ty JRC tại Nhật Bản. It's also a rather dirty opamp with 11 orders of harmonics about -110 db down on an FFT. It occurred to me that a more modern & higher performing part must exist at a lower price - a win-win scenario if ever there was one. Other Parts Discussed in Thread: OPA2134, OPA2604. +Gain Bandwidth. I threw it in one of my old buffered amps and was really quite surprised by the sound. de and as stated on their website, it arrived without a power supply. Dec 22, 2016 · OPA2134 vs OPA2604 vs OPA2107. In audio, you may get by with a V+ to V- bypass, but if the goal is to stablize the supply while its output delivers current to ground, then the bypasses really should be to ground. Forums. The LM4562 was introduced first. The best solution is actuallly to bypass +V to ground, and -V to ground. Posted by KanedaK (A) on December 22, 2016 at 16:38:35 . bipolar in the NE5532) there may some perceivable performance differences. Also with some Keller Williams live recordings (Live at the Vic Theatre, Chigaco, 2002), the sound seemed to be quite far away, as if you were listening to small speaker box 2m in front OPA2604 OPA2604AU OPA 2604AU OPA 2604 Dual Low Distortion Op-Amp BE70 di Tokopedia ∙ Promo Pengguna Baru ∙ Cicilan 0% ∙ Kurir Instan. ti. the differences aren't huge, but big enough to make a change worthwhile. I have tested OPA2604, LM48960, LM4562, OP275, NE5532 and a Burson V6 Vivid. Now I know that the OPA-627 is known to be superior to most op-amps and better than the OPA-604. I've used both LM4562 and OPA2604 from the suggestions. Switching op amps is likely to cause as much harm as good. Dec 28, 2017 · 没有突出的频段，因为据说资料里的开环增益全频段基本都差不多，感觉和opa2604没差，下次换了稳压再听听。 这货用在音频电路上开环的效果真不敢想。 Jan 9, 2021 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Nov 26, 2017 · thanks for your tips! i have tested the opa2604 and the LME49720 compared to the ne5532. They also have lower THD and noise is 5. I find OPA2604 more laid back/smoother and LM4562 very crisp/more forward. Equipment Forums. Tucson Blvd. 1 k : 3. Although I am a fan of the OPA2134, I still have very considerable respect for the NE5532. btw, you can do a bypass V+ to V-, and add a bypass from either V+ or V- to ground. It is very smooth and has a low noise background, almost inky dark. Sound Science. com 6 Specifications 6. 83 k : 100 : 150 : 22 nF//4. The OPA1656 is the industry’s lowest voltage noise high voltage CMOS on the market. Dec 6, 2018 · This question is triggered by a repair I recently did where the originals, while still available, were stupid expensive. the ne5532 looks a bit harder, narrower and more direct, the other two a bit more relaxed and Apr 1, 2023 · 答：OPA2604的封装有两种，一种是标准双列直插封装（DIP），另一种是更小型的SOIC封装。在DIP封装的OPA2604芯片上，德州仪器曾经采用"Burr-Brown"标识并印刷了BB字母的图案（也就是BB字符的LOGO），这是因为它们曾经是以该品牌的名义进行销售的一个品牌系列。 Jun 8, 2018 · The OPA604/2604 can be troublesome in some layouts. 1 Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted) (1) Aug 3, 2013 · JRC5532DD: Not too far from the LM4562, but it seemed a bit harsher at times and less natural sounding OP275: Seemed to accentuate the mid-range a bit more than was natural, so vocals seemed more in-your-face and a bit overbearing to me. Before that, it was as sharp and cold as a swiss knife. The LM4562 is unity gain stable. The Sparko Labs dual opamp should work in it too. Offset voltage is laser-trimmed to minimize the need for interstage coupling capacitors. An op amp is part of a larger circuit and is chosen because its specs match those required for the circuit. Nov 8, 2006 · OPA2604 is a little bit faster. In some respects I think of the LM4562 as a somewhat upgraded NE5532. Would the OPA-627 be considered overkill for a Headphone Amp Dec 22, 2016 · LM4562 in my revox player took more than 100 hours to sound good. I've replaced the old TL082 in my active crossover with opa2134. It has OPA2604 buffer amps that many have replaced with dual OPA627BP's with good results. Jan 28, 2018 · OPA2604 This has become a good choice for an all around opamp. 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). com/products/op-amp-chip-muses02-opa2604ap-opa2 Jun 8, 2010 · Attached are spectra from an OPA2604 and a LM4562 I have tested in my DAT recorder (gain of 10 or so I believe). REJECTION vs FREQUENCY Frequency (Hz) Power Supply Rejection (dB) 10 120 100 80 60 40 20 0 100 1k 10k 100k 1M 10M Common-Mode Rejection (dB) 120 100 80 60 40 20 0 +PSR –PSR CMR AOL, PSR, AND CMR vs SUPPLY VOLTAGE Supply Voltage (±VS) A OL, PSR, CMR (dB) 5 120 110 100 90 80 70 10 15 20 25 CMR AOL PSR GAIN-BANDWIDTH AND SLEW RATE vs . 5A. I cannot confirm that the OPA2604 has opa627, opa2604; lm4562(lme49720) lm6172, lm6171 【追試】dacのlpf（電源±9v）での試験 【追試】lm4562 vs lm6172; まとめ. MUSES8820 is the best, IMHO. Both are musically better than ne5532, in my subjective opinion. That said, a few people consder the OPA637 an 'upgrade' from the AD8620. The sound quality comes from the entire circuit, not the op amp. OPA2604: The most polite, non-fatiguing, but also the least dynamic and exciting with the smallest soundstage. Thread starter 439598; Start date Dec 15, 2017; OPA2604 in PDIP Package V (ESD) Electrostatic discharge Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001 (1) ±2000 V (1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. Nov 10, 2013 · Not sure if you came across Matrix Audio's M-stage HPA line? I have the M-stage HPA 2 Classic and it comes with an OPA2134. chu moyヘッドホンアンプ製作のコツ（元記事です） cmoyヘッドホンアンプで検証するオペアンプの発振; 回路図. This has been dispelled by people employed by NS and TI -- back then and currently. The sound is much better but there's still something a bit "hi-fi" and "grey" in the presentation. dac2 dx top edition. Watch out for fakes if buying op-amps. Jan 6, 2003 · I'm hoping someone can help me out with understanding the major differences between these 2 Op-Amps. No integrated opamp will give you "tube sound". 交換可能な5カ所全てのオペアンプをmuses8920に交換したモデルになります。 通常のdxに比べると一音一音がクッキリでている感じです。 Apr 6, 2020 · For dual op-amps I like OPA2604 as they are FET input and are valve like sounding in character with their very nice mid-range, but went further as someone gave me some Burson V5i hybrids which aren't quite as nice in the mids but are better over all. Purchased at Amazon. Part Number: OPA1656. It offers exceptional performance in almost any audio application. INPUT BIAS CURRENT vs TIME FROM POWER TURN-ON Time After Power Turn-On (min) Input Bias Current (pA) 0 1nA 100 10 1 12345 VS = ±24VDC VS = ±15VDC VS = ±5VDC COMMON-MODE REJECTION vs COMMON-MODE VOLTAGE Common-Mode Voltage (V) Common-Mode 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. 電源電圧8～9v Apr 7, 2007 · Ok, no chip without drawbacks. #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 Sep 1, 2023 · NE5532 vs OPA2604. Out of curiosity, I ordered an OPA2604 as a spare chip along with several other "usual" opamps. One of them is a linear Oct 11, 2001 · I always considered the OPA2604 to be a cheap opamp so I went with "better" OPA2132, OPA2228, OPA627, OPA637, etc. How to choose between lm4562 vs ne5532. uutviw oizpw tissia wdwz uouh xzldmol vmwrm xmi jaefpbzb aghw