Lm4562 vs opa2604 forum
Lm4562 vs opa2604 forum
Lm4562 vs opa2604 forum. 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 Jul 5, 2006 · Hi All, Can OPA2604 be directly swap with LM4562/LME49720HA/LME49860 in a DA output? thANKS. Nov 16, 2008 · Bye bye AOP2604 and welome LM4562, bye bye muting transistors. I will measure the A07 output power and spectrum cleanliness with this power supply. Jun 10, 2010 · The LM4562 is a great substitution for the 5532. 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. . There are a pair of OPA2604 in the DAC I/V that seem to run quite hot as standard (55 degrees) I'm wondering if this is just me being paranoid as it runs warmer with the LM4562. the differences aren't huge, but big enough to make a change worthwhile. Watch out for fakes if buying op-amps. Because of (at least) the input stage differences (JFET vs. OPA2604: The most polite, non-fatiguing, but also the least dynamic and exciting with the smallest soundstage. How to choose between lm4562 vs ne5532. Dec 8, 2021 · Replaceable OP amp chips: SR3609SM, OPA2604, OPA2314, LM4562, JRC5532, OP275GSZ, OPA1612AIDR, etc. It has a strong output stage as well as JFET inputs. The LM4562 and LME49720 are IDENTICAL except for the ordering number and marking. Jun 13, 2012 · I've put the spare standard board back in and it runs much cooler. Sep 7, 2024 · G'day all, an interesting thread. I suggest the following reference - 994Enh Discret OpAmp SONIC IMAGERY LABS - SPARKOS LABS SS3606 - AOP 1612 - LM4562 Jan 1, 2019 · Forum Donor. There are a couple of ebay vendors (audjade_chn and hifi-szjxic, no affilation beyond satisfied repeat customer) that sell genuine salvaged chips at very reasonable prices. The OP275 run at 38 degrees and the NJM4580 at about 42 degrees. Some vendors market them as the same as well. Aug 24, 2018 · THD+N Ratio vs Measured Level / Inverting 6dB Gain / 100k load / 22. #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 May 22, 2015 · G'day all, in the light of a recent experience where a DIY phono stage of mine using LM4562's went into destructive oscillation, I think that perhaps the like of the LM4562 are possibly 'too good' and touchy and I now feel more comfortable with the like of the OPA2134 and the NE5532 at least for high quality audio applications. The LM4562 is unity gain stable. Arguing for faster opamps in a phono circuit is an overkill. 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. But no perceptible sound difference from the stock 5532's. Apr 7, 2007 · Originally Posted by balou /img/forum/go_quote. Aug 28, 2023 · 2. 0014% THD (see Figure 4. It was recently re-capped and all new guts put in . That said, a few people consder the OPA637 an 'upgrade' from the AD8620. This video title is; 2Which OpAmp is Better for 20W Class A Amplifier - OPA2604 vs NE553 Feb 11, 2021 · According to the TI datasheets OPA1612 has less noise than OPA1656. 1 k : 3. +Gain Bandwidth. Posted by KanedaK (A) on December 22, 2016 at 16:38:35 . It was better sounding than my Integra D40. Correct me if I'm wrong. 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. This has been dispelled by people employed by NS and TI -- back then and currently. Aug 22, 2007 · Again the urban legend (fake news?) surfaces. One of them is a linear 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). I've replaced the old TL082 in my active crossover with opa2134. Dec 8, 2018 · The LM4562 is a completely unsuitable replacement for a J-FET op-amp. but the difference between opa2604 and LME49720 is much smaller than the difference between these two compared to the original ne5532. My favourite dual is OPA2604 and that's what I use in my CDP. Both are musically better than ne5532, in my subjective opinion. For FET input the OPA2604 and OPA2134 types are recommended. Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. Now all the folks are using opa2134 op -amps as the replacement. No integrated opamp will give you "tube sound". 002% Signal-to-noise ratio: 90dB Frequency response: bass ±12dB; treble±10dB Input sensitivity: 0. OPA2604 is one of the few op-amps having +24 -24 max supply voltage. Have to find some Philips CDi infos seems! Will tell ya! ••• Aug 16, 2023 · The usual version in the markets is the 32 V version (32V / 5A external power supply), although there is the version with 48 V / 5A source and the V3 only version without power supply, different options for different equipment, that added to the possibility of customizing the device positions it as a very useful component in the usual puzzles that are high-level sound equipment. MUSES8820 is the best, IMHO. , Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111 Apr 21, 2007 · For bjt (transistor input) I would suggest he LM4562, NE5532 or LM833. i favorate opa2604 & muses8920 muses 8920 is a Jfet Yeah, LM4562 is a good alternative, I think it can directly drive headphones Dec 15, 2014 · It looks dubious to me. Goggle bill d mod carver c-1. May 27, 2017 · opa627 chips should measure roughly 48kohms to 56kohms both ways across pins 1 and 5 and should draw about 7 to 7. The Sparko Labs dual opamp should work in it too. Dec 28, 2017 · ne5532,opa2604,lm4562 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 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. The lettering isn't perfect for one thing, some appear to be at an angle and some out of line. 7 stereo receiver, which isn't great by any means, but the A07 was clearly better (although not amazingly better). Jul 15, 2015 · Search this forum only. As for the TL072 I would go for OPA2604 since it also has a fet input and good distortion and noise performance. I've used both LM4562 and OPA2604 from the suggestions. The diyaudio forum might be better suited for posing the question. LM4562 and LME49720 are the exact same part just different model stamped (stated by an ex-employee) The LME49860 is just a Feb 23, 2019 · AIYIMA A07 TPA3255 Amplifier Measurements LM4562 option I received my A07 yesterday, on January 6, 2021, shipped from Italy. LME49720HA came with the TO Aug 1, 2024 · And when I was making a Whammy headamp, I got by far the best sound with the Muses 02. Nothing really magic about the sound or performance of the V3, but it is a good inexpensive class D amp particularly good for lower volumes and where the small form factor works. 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. Regards, Felix. ••• Oct 8, 2001 · TI/Burr Brown's OPA2604 is a good alternative as well. At least it lacks the unfavorable 7th which the OPA2604 has. In the end it was a complimentary balance between the BB opa2604 and the LM4562 that won the day. The sound is much better but there's still something a bit "hi-fi" and "grey" in the presentation. LM is the best overall, it sounds the most balanced, very natural/smooth/clean, doesnt exaggerate anything but can sound lacking in impact. Having LM4562 in both amplifiers and they start to sound the same. The best solution is actuallly to bypass +V to ground, and -V to ground. ••• 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 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. Although I am a fan of the OPA2134, I still have very considerable respect for the NE5532. It is difficult to say which one is better. 83 k : 100 : 150 : 22 nF//4. I didn't investigate further, and I didn't have the OPA1656 nor the 1642 to try. They are the three that are the consistently best performers. Jan 7, 2023 · Obviously the opamps performances give their best in a dedicated circuit, but I will only make a journey in the 8dip socket dual opamps teorically straight replaciable NE5532P, NE5532D, NE5532DD, NE5532N, NE5534P, LF353N, OP275, TL052CP, TL072, JRC2068D, JRC2068DD, JRC2114D, JRC2114DD, JRC4556AD, JRC4558D, JRC5532D, JRC5532DD, LM4562, LME49860, LM833N, LME49720, OPA2132, OPA2134, OPA2227PA Dec 22, 2016 · OPA2134 vs OPA2604 vs OPA2107. It's a BJT input op-amp with a high bias current of 72nA, compared to, 65pA typical, 20nA worst case, for a J-FET op-amp such the old TL072 and a 55MHz of GBWP could be far too fast for a circuit and layout designed for one with a GBWP of 3MHz. I would say it depends on what circuit. 7 nF//500 pF 47 nF//33 nF LM4562 www. Long-winded question for anybody is what’s the diff between these two groups of op amps that allows for such infinitely different behaviors in this very, very common circuit? Nov 10, 2013 · I have tested OPA2604, LM48960, LM4562, OP275, NE5532 and a Burson V6 Vivid. Alternates to OPA2604? LM4562 for the most detail but in-your-face delivery. There are countless others, 4558, 4560, 4556, 2068 etc etc. The amp Feb 11, 2021 · At 10 Vrms and 10 kHz, with a 10 kΩ source resistance the 5532 generates 0. I've been researching and designing possible solutions around LM833 op-amps. 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. Headphones:Argon T-X0 (mk3 baffle), T60RP Argon, Vibrolab Mk3 Zebrawood & MK2 Walnut self built. btw, you can do a bypass V+ to V-, and add a bypass from either V+ or V- to ground. Distortion: 0. Dec 6, 2018 · I don't think you can "get into it" here, it quickly degrades to psychoacoustics and audiophoolery compared to science. One can almost not find two more different sounding IC:s. The picture is similar as in Wayne Kirkwood's post in this thread. But that does not say anything about the SQ. I'm still (perhaps irrationally) fond of the OPA604, maybe because some equipment I really like used it. strangely its probably the most boring sounding one when paired with 400i but the best sounding with hd600 Nov 26, 2017 · thanks for your tips! i have tested the opa2604 and the LME49720 compared to the ne5532. The cost is about $30 in a local store. 10 to 12 ma would be typical for the total combined current of the two amps in one package. Nov 25, 2015 · Ive compared the NE5532, NJM4556 and LM4562 so far. May 15, 2022 · Buggle2 Riaa board. 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. Choosing between the LM4562 and NE5532 depends on your specific application requirements and priorities. Then I dropped it some OPA2604 OpAmps I had lying around. I read on several forum the advantage to use specific AOP for the final stage of DAC or Amplifier. Feb 25, 2007 · Bypassing from V+ to V- will be good. I went through a few different opa in search of a satisfactory sound with either a complimentary balance or a pure line of one sort. 5V to ±17V. Feb 29, 2008 · I've read about the 'Sondigo vs. Tucson Blvd. Purchased at Amazon. Nov 8, 2006 · OPA2134 and OPA2604 are very close in data. Search Will update this forum after test. The problem is still with the LM4562/LME49720 noise, or I do not know how it can be called - last LM4562 chips from the Mouser have chaotically output jumps from one level to another with the period of some tenth parts of second and more. I find OPA2604 more laid back/smoother and LM4562 very crisp/more forward. 84vRms Speaker impedance: 4-8Ω Output power: 300W*2/4 Ohm Input mode: Bluetooth, RCA Sep 14, 2021 · The completely docile op amps are the OPA2604, the OPA627, the OPA2107, the LM4562/LME49720 and the OPA2134. 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. Help! Sep 1, 2023 · NE5532 vs OPA2604 The OPA2604 is a high-performance audio op-amp known for its exceptional sound quality and low distortion characteristics. 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 Apr 17, 2021 · I will show the difference between the OPA2604 vs the NE5532 OpAmp. You can dig on the Internet and find modern op-amp test results, but it quickly crosses over into sonic character and subjective opinion. The LM4562 has higher 2nd harmonic (if that is what you wan´t) but higher 5th too. Several reference are used on forum. Before that, it was as sharp and cold as a swiss knife. 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。 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. The 5532 has a higher Iq than 4. I cannot recommend a 48V power supply because of the A07 internal temperature with the 48V PSU, in case I Apr 16, 2011 · Get it all working first and then I would suggest trying the OPA2604 and perhaps the LM4562. It basically outperforms the 5532 in every way. the ne5532 looks a bit harder, narrower and more direct, the other two a bit more relaxed and 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. 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. Edited April 6, 2020 by muon* The LM4562 has a wide supply range of ±2. Nov 2, 2010 · Would like to replace my Denon's DCD-1500AE opamps of the NE5532 type with something better, OPA2604 and AD823 are two candidates with identical pin layouts Search Everywhere Threads This forum This thread Sep 4, 2021 · Plugged it into my system with Polk Reserve R20s and I was impressed. That's a FET input op-amp though. 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. X-fi Prelude' comparison a few threads down and I basically concluded from that the AD8620 might be considered better than the default LM4562. OPA2604 is the most "coloured" sounding (in the nicest possible way) and the LM4562 probably the more clinical. 00046% under the same conditions. Jan 7, 2021 · I have ordered Mean Well RS-100-24 SMPS power supply, 24V/4. 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. I have a 1988 carver stereo per-amplifier. Jul 5, 2006 · Will the forum updated. OPA2134 is more stable, as it is not too fast for Audio. Aug 22, 2007 · I always replace the NE5532 in a Rotel's phono circuit with a FET OPA2134 or OPA2604. 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. There are clearly sounddifferences between opa2604 and lm4562. OPA2604 is a little bit faster. Joined Jan 1, 2019 Messages 5,264 Likes NE5532 vs OPA2604 -> the second is more musical, better voice The lm4562 is also an alternative ( I think Oct 10, 2020 · Aiyima a04 with LM4562 is more dynamic, goes deeper in the bass and sound clearer. Why is that? Kindly enlighten us to give an idea for the deciding factor. 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. I no nothing about this. Is the 2134 the right choice. An interesting Jan 3, 2023 · There are clearly sounddifferences between opa2604 and lm4562. 5ma. de and as stated on their website, it arrived without a power supply. The first one is sounding warm and innofensive, and the LM 4562 is cleaner and leaner. The fastest slew rate a needle in a vinyl LP track can provide is in the region of 2-3 V/us, I seem to remember an old IEEE recommendation of 6 V/us as plenty for vinyl audio hi-fi use. The LM4562 was introduced first. Hi Guys, Could you tell us the differences between LM4562 and LME49720? The only difference I could see clearly is the price and the Vn( a difference of 0. I haven't seen where the Muse are used, maye on the PS lines of the opamps? No DC blocking caps? I don't know how sounds BB OPA2604 beside LM4562 but it will be an easy upgrade for sure. 6 ) but the LM4562 gives only 0. Those are fine. LME49720 OPA2134 AD823 Jan 7, 2021 · I have done this with great results using the Aiyima A07 and the Aiyima T6 Pro. Also comparisons of the OPA627 and OPA637 would be good. 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. LME49720 is significantly more expensive than LM4562. 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. bipolar in the NE5532) there may some perceivable performance differences. International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. A little better than the stock opamps. ••• Jun 8, 2018 · The OPA2604 is FET input IIRC, so using a BJT part like the 5532 would necessitate checking impedances to make sure the resistor values around the opamps are suitable for using something other than a FET opamp. 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. It provides a wider bandwidth, lower noise, and higher slew rate compared to the NE5532. ti. May 19, 2017 · By most standards the LM4562 is a superior op-amp to the NE5532. Hi there probaly a simple question maybe not. I cannot confirm that the OPA2604 has Jun 16, 2021 · Part Number: LM4562 Other Parts Discussed in Thread: LME49720. 5A. Then National Semi, for marketing reasons, decided to create a new part number. 5 mA quiescent current. gif Ok, no chip without drawbacks. Dec 22, 2016 · LM4562 in my revox player took more than 100 hours to sound good. Aug 20, 2023 · The ones I subbed were LM4562's, which work fine with the Aiyimas. I am testing the A07 with 2 different power supplies. It could be very interesting to test their performance: - SNR - Bandwish - slew rate-. Feb 28, 2021 · The LM4562 datasheet indicates it has at least 12dB greater open loop gain than LM833 at all audio frequencies. 2). The TL072 is surprisingly capable too don't believe all you read try it. I note that the LM833 and LM4562 datasheets contain identical RIAA phono circuits in their application notes. The opa2604 is a fet opamp and 4562 is a bipolar based IC. hugortc uvs mmb unnlm fxrl xzdy nzw awrm tmjckx vdkx