Lm4562 vs opa2604 reddit

Lm4562 vs opa2604 reddit. 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. Oct 17, 2014 · LM4562 is far more neutral and a good choice for RIAA circuit. I've used both LM4562 and OPA2604 from the suggestions. . 15 ppm at 25 Hz, but it keeps improving at frequencies up to 1 kHz. Having one single common ground rail is a good start so maybe power rails might not be a bad idea, again no loops, one end of this rail must be from your power supply, along the length of this ground rail will be your audio path ground etc and the furthest point away from your power supply will be . Watch out for fakes if buying op-amps. It's CMRR is provided in the datasheet on page 18: Comparing those two graphs it can easily be seen that LM4562 is better option for the summing difference amp U3. amps and drivers yet only the LM4562 and LM4702 that are not part of these families. 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. If you don't know or don't care, just stick with the default and save the money. This has been dispelled by people employed by NS and TI -- back then and currently. 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. 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. 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. Although I am a fan of the OPA2134, I still have very considerable respect for the NE5532. (Came with the other DAC an Aune X8 XVIIIth. I didn't investigate further, and I didn't have the OPA1656 nor the 1642 to try. I suggest a $3-4 lm4562 or jrc4556. Because of (at least) the input stage differences (JFET vs. Apr 23, 2007 · I also have a Tag AV30R. Feb 25, 2007 · Bypassing from V+ to V- will be good. Nov 26, 2017 · thanks for your tips! i have tested the opa2604 and the LME49720 compared to the ne5532. May 25, 2022 · The datasheet provides it in Figure 48 on page 16: Another configuration can be to use LM4562 as a summing difference amp. Posted by KanedaK (A) on December 22, 2016 at 16:38:35 . However, be prepared to shell out anywhere from Rs. bipolar in the NE5532) there may some perceivable performance differences. 4 at 1KHz. 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. It provides a wider bandwidth, lower noise, and higher slew rate compared to the NE5532. 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. Purchased at Amazon. I am testing the A07 with 2 different power supplies. go muses01 for this point (I/V stage after DA). May 15, 2022 · Buggle2 Riaa board. A_OL is indeed specified at DC and the typical rolloff starts at about 10Hz-1kHz with a slope of -20dB/decade (-3dB octave). Distortion: 0. The ne5532 should be common. I cannot confirm that the OPA2604 has -OPA2604 - warm -OPA2134 - dynamic -LM4562 - clean tubes-EI 6HM5 Yugoslavia - buttery -GE 5654w JAN - holographic, tight bass -Belvu French 6BA6 - delicate, sweet, rolled off but impactful bass, does take awhile to burn in tho -Russian 6N1P - bass bass & more bass ++ my Q150’s paired very well w the Russian tubes & the LM4562 opamps. To the future, maybe OPA2828 with DIP adapter NE5532 vs OPA2604 -> the second is more musical, better voice OPA828 DUAL with DIP8 adapter Jun 13, 2012 · I've put the spare standard board back in and it runs much cooler. 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 - which should i choose? i also need a SMD version (is it called SOIC?) for my PCB, are they available in such packaging? any other THD+N vs Frequency VCC = 12V, VEE = –12V, VOUT = 3VRMS RL = 10kΩ 20157266 THD+N vs Frequency VCC = 17V, VEE = –17V, VOUT = 3VRMS RL = 10kΩ 20157268 IMD vs Output Voltage VCC = 15V, VEE = –15V RL = 2kΩ 201572e6 IMD vs Output Voltage VCC = 12V, VEE = –12V RL = 2kΩ 201572e5 IMD vs Output Voltage VCC = 2. An Ne5532 would be under a buck on eBay and would yield better results. as well and I might try a opa2134 I have lying around. No integrated opamp will give you "tube sound". 4kHz bandwidth Again 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. What about the PSU and LM4562? The current analog PSU is per rail 2200uF (for 9 opamp + 3 AKM + 3 CS3310) + LM3xx + 100uF for 3 op-amp + 10uF tantalum close to each op-amp. In which case I recommend an opamp roll to something better. I'm still (perhaps irrationally) fond of the OPA604, maybe because some equipment I really like used it. Why is that? Kindly enlighten us to give an idea for the deciding factor. The other options would be a FET device such as an OPA2604 Sep 4, 2021 · Plugged it into my system with Polk Reserve R20s and I was impressed. Then I dropped it some OPA2604 OpAmps I had lying around. reReddit: Top posts of November 21, 2021. It was better sounding than my Integra D40. Opamps LM4562 vs LM4562na Home of Street Fighter on reddit, a place to collect Street Fighter content from everywhere on the internet Some discord links too Feb 11, 2021 · According to the TI datasheets OPA1612 has less noise than OPA1656. 5V RL = 2kΩ Mar 5, 2007 · I got curious today and decided to try and see how our old friends compared against the latest and greatest (?) chip. Then National Semi, for marketing reasons, decided to create a new part number. Yes, it's a very subjective question, so what I am looking is the highest class of sound -- In my opinion, also as said by Tangent, the openness and the cleaness of OPA627/37 put them into a higher league that OPA2604 and LT1364, both of which are very Jun 30, 2008 · This precision amplifier, the LME49720, (also known as an LM4562) not only tests good, but it sounds good. A bit of a tangent here but after swapping the op amps I lost the right channel. The lettering isn't perfect for one thing, some appear to be at an angle and some out of line. 応用回路としては THD+N vs Frequency VCC = 12V, VEE = –12V, VOUT = 3VRMS RL = 10kΩ 20157266 THD+N vs Frequency VCC = 17V, VEE = –17V, VOUT = 3VRMS RL = 10kΩ 20157268 IMD vs Output Voltage VCC = 15V, VEE = –15V RL = 2kΩ 201572e6 IMD vs Output Voltage VCC = 12V, VEE = –12V RL = 2kΩ 201572e5 IMD vs Output Voltage VCC = 2. Amplifiers Mar 19, 2014 · There are many that are good and many that excel in specific areas. 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 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). There is a whole family of LME parts of op. I actually did a comparison of different opamps, I looked for warmth, clarity and separation. I´m looking for opamp candidates to make the sound little "bigger" and "rounder" than in LM4562 but with high detail in the mid-high frequencies. Is there any difference between these two op-amps? This thread is archived Reddit . The caps next to the ic sockets for the power rails need to be as close to the ic as possible. 1 k : 3. Oct 10, 2020 · Aiyima a04 with LM4562 is more dynamic, goes deeper in the bass and sound clearer. 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 Nov 16, 2008 · Bye bye AOP2604 and welome LM4562, bye bye muting transistors. 1 Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted) (1) 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. Jan 7, 2021 · I have ordered Mean Well RS-100-24 SMPS power supply, 24V/4. 400 - Rs. if u have dual voltage and can use DIP pac . The TL072 is surprisingly capable too don't believe all you read try it. Reddit . for all point (buffer IC opam âm thanh cao cấp MUSES02 chính hãng JRC ( có A quick drop-in -OPA2604 ++ (warmm & deep w/ solid & sweet bass) opamp swap + 48V. 2). Results . + . de and as stated on their website, it arrived without a power supply. A little better than the stock opamps. May 19, 2017 · By most standards the LM4562 is a superior op-amp to the NE5532. My favourite dual is OPA2604 and that's what I use in my CDP. I will measure the A07 output power and spectrum cleanliness with this power supply. Instead of the default NE5532 Op Amp chip, Aiyima factory can customize the A07 with a different Op Amp chip for you for a different sound signature. I cannot recommend a 48V power supply because of the A07 internal temperature with the 48V PSU, in case I Apr 1, 2012 · Try them and see for yourself. If you are wondering what Amateur Radio is about, it's basically a two way radio service where licensed operators throughout the world experiment and communicate with each other on frequencies reserved for license holders. I had read it many times before posting this threat. The circuit is close and inserting LM4562 done the same problem. 5V RL = 2kΩ Dec 14, 2007 · At the high end, the NatSemi LME49710/49720/49740 (LM4562) family has impressive specs - and are generally the best for almost all applications except as a low-gain or unity-gain buffer. 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。 LM4562-+ LM4562 10pF + + INPUT OUTPUT 47 k : 150 : 3320: 909 : 26. 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. V S = ±15V, R L =2kΩ,R SOURCE =10Ω,f IN = 1kHz, and T A Feb 29, 2008 · I've read about the 'Sondigo vs. 002% Signal-to-noise ratio: 90dB Frequency response: bass ±12dB; treble±10dB Input sensitivity: 0. Jan 7, 2021 · There are clearly sounddifferences between opa2604 and lm4562. Perhaps the LM4562 came out before the change so they made a new part number to indicate high end part. Also comparisons of the OPA627 and OPA637 would be good. the differences aren't huge, but big enough to make a change worthwhile. The easiest thing to do is just look at the gain/phase plot in the datasheet. Apr 16, 2011 · Get it all working first and then I would suggest trying the OPA2604 and perhaps the LM4562. 5A. Jun 16, 2021 · Part Number: LM4562 Other Parts Discussed in Thread: LME49720. 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. I've replaced the old TL082 in my active crossover with opa2134. OPA2604 is the most "coloured" sounding (in the nicest possible way) and the LM4562 probably the more clinical. Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. If OPA2604, is truly a drop-in replacement, then yes these do have better signal-noise specs than TL072 and more importantly, faster slew rate (that's where most harmonic distortion comes from, slow response time). Mar 5, 2018 · LM4562 LME49720 MUSES01 Burson Audio V5 Sparkoslabs SS3602 SIL 994 Enh Ticha Version 3 smd LM4562 LME49720 MUSES01 Sparkoslabs SS3602 SIL 994 Enh Ticha Measurements made with APX 525 with software APx500 V3. The LM4562 and LME49720 are IDENTICAL except for the ordering number and marking. OPA2604 sounds rounder, more "valve" or "analog", but not clear in the high frequencies. 1. 7A PSU transforms this little thing into a beast. It has a strong output stage as well as JFET inputs. 5V, VEE = –2. The next is OPA2134. For RIAA applications, I would recommend LME49720 which, according to datasheets is nothing more than just a rebranded LM4562, but in listening is quieter and more analogue sounding, while retaining the 4562's Jan 16, 2017 · Following performance figures have been measured in Addon BalOut module: Both opamps are so good that it is difficult to measure differences directly. For FET input the OPA2604 and OPA2134 types are recommended. but the difference between opa2604 and LME49720 is much smaller than the difference between these two compared to the original ne5532. LM29720 did not stand out at all. 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 ? Welcome to Reddit's own amateur (ham) radio club. 84vRms Speaker impedance: 4-8Ω Output power: 300W*2/4 Ohm Input mode: Bluetooth, RCA Jul 3, 2011 · One thing is the Bipolar vs FET opamps: as an example, you could take the 5532 vs. I tried the 1656 in there but didn't feel it added anything. They are the three that are the consistently best performers. Edited April 6, 2020 by muon* 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. The OP275 run at 38 degrees and the NJM4580 at about 42 degrees. 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 Dec 22, 2016 · OPA2134 vs OPA2604 vs OPA2107. ti. 1200 each. Feb 23, 2019 · AIYIMA A07 TPA3255 Amplifier Measurements LM4562 option I received my A07 yesterday, on January 6, 2021, shipped from Italy. TL072 was VERY good !! Equal or better Aug 22, 2007 · National uses an additional 'E' in the name (LMExxxxx) to indicate their new high performance audio products. I've ordered some opa2604's from ebay still in transit to play with. 5 ). MUSES8820 is the best, IMHO. Jun 12, 2014 · LM4562 would be my choice for a player like this. You can use a combination as well. 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. btw, you can do a bypass V+ to V-, and add a bypass from either V+ or V- to ground. 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. Apr 17, 2021 · I will show the difference between the OPA2604 vs the NE5532 OpAmp. The distortion is not only down somewhere below 0. 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. The sound is much better but there's still something a bit "hi-fi" and "grey" in the presentation. So that's good For your circuit, a 5532 or 4562 is about as good as it gets. The difference you hear with them is actually much more accurate sound. 7nV/√ Hz) with vanishingly low THD+N (0. Also "good" can mean different things. You probably don't need any compensation caps if your layout is good. com 6 Specifications 6. 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. 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. Jun 8, 2018 · OPA2604 alternative? Jul 4, 2009 · The Opamp thread | Page 470 | Headphone Reviews Aug 1, 2024 · And when I was making a Whammy headamp, I got by far the best sound with the Muses 02. 83 k : 100 : 150 : 22 nF//4. Jul 5, 2006 · Hi All, Can OPA2604 be directly swap with LM4562/LME49720HA/LME49860 in a DA output? thANKS. Amplifiers LM4562-+ LM4562 10pF + + INPUT OUTPUT 47 k : 150 : 3320: 909 : 26. 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. So after 2 hours of troubleshooting, swapping amps and cables around, eliminating variables and such I was able to realize that the case was shorting out the right channel somewhere if one of the back panel screws was tightened just a biiit too tight. LM4562-+ LM4562 10pF + + INPUT OUTPUT 47 k : 150 : 3320: 909 : 26. LME49720 is significantly more expensive than LM4562. Facebook X (Twitter) Reddit Pinterest Tumblr WhatsApp Email Share Link. Both are musically better than ne5532, in my subjective opinion. 5ma. This is what makes people think that eg an LM4562 is super-duper Electrical Characteristics for the LM4562 (Note 1) The following specifications apply for the circuit shown in Figure X. The opa2604 is a fet opamp and 4562 is a bipolar based IC. Currently messing w/ ‘em as monoblocks & they’re still so impressive after years of owning them. The 5532 has a higher Iq than 4. for after dac u need a color i favorate opa2604 & muses8920 muses 8920 is a Jfet for after D/A input impedance is very important . 00003 THD if u wanna squeeze out detail) worked the best fr me LM4562 data sheet, product information and support Nov 9, 2010 · LM4562 / LME49720 / LME49860 - Do they sound different Oct 8, 2001 · TI/Burr Brown's OPA2604 is a good alternative as well. 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. Jul 5, 2006 · Thanks for the link. To ensure that the most challenging loads are driven without compromise, the LM4562 has a high slew rate of ±20V/µs and an output current capability of ±26mA. 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. Have to find some Philips CDi infos seems! Will tell ya! ••• Aug 22, 2007 · Again the urban legend (fake news?) surfaces. 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 Nov 9, 2012 · Has anyone ever had experience with MUSE opamps? オペアンプの違いによる音質比較表 LM4562 vs LM358 . LM4562 is similar to the LME49720 but can be too sterile. Thread starter Ryssen; Start date 2007-08-22 9:19 pm; Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link. 00003%) to easily satisfy the most demanding audio applications. LME49724: Noise level: -117 dBV (A-weighted), THD+N ratio: at least -109 dB (1 kHz, 2 Vrms), around measurement instrument limits. Nov 10, 2013 · I have tested OPA2604, LM48960, LM4562, OP275, NE5532 and a Burson V6 Vivid. The LM4562 was introduced first. X-fi Prelude' comparison a few threads down and I basically concluded from that the AD8620 might be considered better than the default LM4562. For example you could run half a dozen TL072's for the current one NE5532 or LM4562 draws. their TPA3255 implementation is simple & effective, hard to fuck up- super easy to swap/upgrade parts fr better Nov 8, 2023 · New Aiyima A07 MAX Amplifier - Small Footprint, Good Sound Dec 8, 2021 · Replaceable OP amp chips: SR3609SM, OPA2604, OPA2314, LM4562, JRC5532, OP275GSZ, OPA1612AIDR, etc. The chips were put into the active filter at the output of a DAC ( Zhaolu V2. Correct me if I'm wrong. The 5532 is an excellent opamp when used as a simple gain stage but I have reservations when its used as the final stages in CD players where HF hash (which is always present in the signal from the DAC) can I suspect impair the final result. Arguing for faster opamps in a phono circuit is an overkill. Could I pick them out in blind testing? Nope, but I liked the sound the most when I put them in (for whatever reason) and I've left them installed. The LM4562 combines extremely low voltage noise density (2. Nov 25, 2015 · LM4562 vs OPA2134 vs [ ? ] Nov 8, 2006 · In Active crossover application, OPA2134 and OPA2604 Which chip should I pick for Aiyima A07? Is the LM4562 OP Chip worth the extra $$ ? Should I ignore it and take the 4th option? Setting this amp for KEF Q350 with SMSL SU-6 DAC. One can almost not find two more different sounding IC:s. The one that I don't like much is the LM4562. OPA2604 Datasheet by Texas Instruments Dec 22, 2016 · LM4562 in my revox player took more than 100 hours to sound good. An interesting by OP-amp by song Jump table ↓* VOCAL CLASSIC POPSMUSES03 0:42~ 1:42~ 2:43~ Aug 28, 2023 · LM4562 vs NE5532: What are Differences and How to Opamps LM4562 vs LM4562na Hi there, Im currently fiddling with a pair of Aiyima A07 max amplifiers implemented as mini mono blocks and I'm curious play with different op ampsI've read that the LM4562 is a good option to start with. With that said, I have a few questions: Apr 21, 2007 · For bjt (transistor input) I would suggest he LM4562, NE5532 or LM833. The lme49860 is discontinued (they're nice for (-/+22v higher voltage applications) get a lm4562 instead, they're super cheap since they've been discontinued and I believe both digikey and mouser has them. The LM4562 has higher 2nd harmonic (if that is what you wan´t) but higher 5th too. LM4562 -- not by a very large margin ! 2. the ne5532 looks a bit harder, narrower and more direct, the other two a bit more relaxed and If you are opting fr sumn cheap— OPA2604 (warmm, a bit veiled tho) or LME49720 (analytical. The best are OPA2604 and a discrete opamp Sparko that I paid $70. Tangent didn't mention AD826 and LT1364, which are my best choices. Feb 28, 2021 · In some respects I think of the LM4562 as a somewhat upgraded NE5532. At least it lacks the unfavorable 7th which the OPA2604 has. Honestly I don't want to open it again. 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. Jul 5, 2006 · hi muses02 is a BJT - opa 627 is a Difet muses 02 is colored op amp --- 627 colorless opamp. Aug 19, 2023 · On the op amp front, I ordered and have tried OPA2132, OPA2134, OPA2604, LM4562 and LME49720 op amps and preferred the OPA2132s. 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 Dec 15, 2014 · It looks dubious to me. That's a FET input op-amp though. 7 nF//500 pF 47 nF//33 nF LM4562 www. 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 I've dialed back the tube volume some which reduced the bloated sound stage to a bit more normalcy. That said, a few people consder the OPA637 an 'upgrade' from the AD8620. Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link. There are countless others, 4558, 4560, 4556, 2068 etc etc. I plan to try all this with the AV3OR less complicated to open and unmount. May 30, 2000 · TL072, IMO is not a bad opamp, and given the application, can perform quite well. This video title is; 2Which OpAmp is Better for 20W Class A Amplifier - OPA2604 vs NE553 Aug 22, 2007 · LME49720 Vs LM4562. I find OPA2604 more laid back/smoother and LM4562 very crisp/more forward. OPA2604: The most polite, non-fatiguing, but also the least dynamic and exciting with the smallest soundstage. Having LM4562 in both amplifiers and they start to sound the same. OPA1632: Noise level: -118 dBV (A-weighted), THD+N level: at least -109 dB (1 kHz, 2 Vrms), around measurement May 27, 2017 · I have and tested LM49720 series, I don't like it. 7 stereo receiver, which isn't great by any means, but the A07 was clearly better (although not amazingly better). 5 mA quiescent current. One of them is a linear Further research reveal that it might have an opa2604 in the main opamp rather than an lm4562 which is used as a lpf after the dac. Before that, it was as sharp and cold as a swiss knife. The first one is sounding warm and innofensive, and the LM 4562 is cleaner and leaner. I have done this in both the ESP P06 and Muffsy DIY phono stages. the OPA2134. Home. But that does not say anything about the SQ. The opa2604 is warm and tube-like. The cost is about $30 in a local store. 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. ••• Aug 30, 2024 · G'day all, an interesting thread. Other op amps you can try are AD823's but they can be a bit noisy when used at the inputs of a phono stage so I prefer them in the output stages. Aug 22, 2007 · I always replace the NE5532 in a Rotel's phono circuit with a FET OPA2134 or OPA2604. LM4562 is one of the choices. Help! OPA2604 SBOS006A–SEPTEMBER 2000–REVISED DECEMBER 2015 www. ••• Aug 24, 2018 · THD+N Ratio vs Measured Level / Unity Gain / 100k load / 22. The best solution is actuallly to bypass +V to ground, and -V to ground. Forums Aug 22, 2007 · LME49720 Vs LM4562. 10 to 12 ma would be typical for the total combined current of the two amps in one package. Gives Jan 7, 2021 · The LM4562 sitting in the A07 and the BB opa2604 sitting in the preamp output stage. It comes in two variants: the normal version ( OPA2604 ) the TE version (with the MUSES8920 ) As far as I know this is the only difference between the two versions (except the price!) I'm wondering if there are any significant qualitative differences that would set these two apart. frtok tjc dtgbkgc zhhflb wewcqkq lhrhuhs xqd neqj eeiway ehe