Opa2134 vs lm4562. LM4562 vs TL072 and NE5532 .
Opa2134 vs lm4562 Joined 2017. 8k Going to a LM4562 was more sterile and a little more detailed, the LM6172 even more so. OPA2134 About 24 hours ago I swapped the OPA2134s in a Silicon Chip designed ( but modded)preamp designed around the OPA2134 , for the LM4562. Therefore, 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. Member; sorry, I can't give an opinion on the AD825 v LM4562. I like their sonic As noted above, low values become susceptible to stray capacitance and high values may cause excessive opamp loading. Right. ast8346 LM4562 with Rl=2k or 600 vs frequency (Datasheet) LM4562 with Rl=2k or 600 vs level (Datasheet) Audio Opamps, fact, myths and THD measurement resultsRev. LM4562, LME49710, LME49720 Start-up Behavior - Pro Audio Design Forum As mentioned previously the OPA2134 in BIFET is a decent performer. Wide soundstage. Regarding the LME49860 - in my setup it's a sweet spot between the LM4562 and the LME49720 but I still prefer the AD797BRZ pair. LM4562 I found more accurate and fast but not necessarily musical. I just replaced some of the OPA2134 in my xover with LM4562. Appreciate the substitute suggestions! M. That said, a few people consder the OPA637 an 'upgrade' from the AD8620. So LM833 is quieter. I would like to simulate them using a circuit like below, but I don't know how to configure IG1 current generator properly. The muting is auto. For what it's worth, the LM4562 is v good on 3D, soundstage and transparency but as I said above . They sound much closer in performance to , but not quite as good OPA2134 may not be quite as good as the LM4562 etc. J. 【追試】lm4562 vs lm6172. I didn't yet spot any differences between the mids and the bass on the two, but the highs are different. A. For me NJM8830 is better, it can really only compete with LT1028. The comparison between the LM4562 and NE5532 operational amplifiers (op-amps) is an essential journey into the world of audio electronics, where the intricacies of sound quality and performance are paramount. Logged gaetan8888. This may cause instability in some second-order filter designs. Or you can go hog wild and try something like an opa2134, lm4562, etc. Both OPA2134 and LM4562 are dual and pinout is the same. LM4562 worked great and DC offset was 3 mV 😎 OPA2134 oscillated. 2009-01-31 12:22 am #13 2009-01-31 12:22 am #13 Depends on the load to be driven with it - if it's feeding the input of an amplifier, LM4562 is a better choice, but if it's to feed a headphone directly, OPA2132 LM4562 / LME49720 would be another, more modern option (less voltage noise, even better load driving). de and as stated on their website, it arrived without a power supply. Get it all working first and then I would suggest trying the OPA2604 and perhaps the LM4562. If the inputs to the IC are well balanced you may be able to get rid of the O/P capacitors, as the OPA2134 has a very low DC out. When the original OP is Bipolar(like NE5532 etc) we can most always replace with FET or another similar Bipolar OP. com/v/xPj5IKtZ/file. What is LM4562. 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. NE5532, e. If I did it would probably be the Muses02 which gets good feedback for classical music. B. com. 2007-03-05 5:03 pm #9 2007-03-05 5:03 pm AIYIMA A07 TPA3255 Amplifier Measurements LM4562 option I received my A07 yesterday, on January 6, 2021, shipped from Italy. The OPA1642, SMT-only, is also a good dual BIFET. html0:00 In The Rain (Muses02)1:58 Silly (Muses02)3:31 lost in the dream (Muses02)4:02 忘 the opa2134 are actually cheap and maybe give some sonic differences, but I have read that even high-end brands use the ne5532 I am, gonna switch the opamps in my CD player soon with opa2134 (are reaaaaal low budget types) but I would like more to change the cap's to high-end types, their influence non-lineairuty is understandeble and evident, while the LME49720 Vs LM4562. 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. So mostly on a whim I replaced the second stage OPA2134 with an LM4562 that I had on hand and my DIY P06 has gone from boring, to lively and crisp and 'musical', all apparently the result of using an LM4562. NE5532 is dual channel opamp, so you can try few of these: opa2134, LM4562, opa1642, opa1656 without burning too much money on rolling opmaps. LM4562; AD8512; OPA2209; And for reference, I am testing this with: Based on data sheet info LM833 has 4. 14 hours ago, Addicted to music said: The OPA2134 is very ordinary, I consider it a side step to the NE5532. There are several versions of the NE5532. The newer LM4562/LME49720 series improves on many parameters at once cf. Member. Joined Dec 10, 2022 Messages 221 Likes 445 Location Århus, Denmark But I have been reading on another DIY forum of improved sonics, less noise, and improved stereo imaging by replacing the 4558,, it was actually suggested on there to use a Burr Brown OPA2134,, but I have some LM4562's and the pinouts and specs are Vsetko o hifi - SK a CZ diskusie, stereo, konstrukcie, zapojenia, audio, cd, dac, highend, gramofon, sluchatka, hudba, akustika, reproduktory, zosilnovace. (Came with the other DAC an Aune X8 XVIIIth. With LM4562 sweep goes until 4 Vrms input level, while before it has been up to 2 Vrms, that is why the lowest curves goes all the AIYIMA A07 TPA3255 Amplifier Measurements and Review - LM4562 (and OPA2134) option. The LM4562's outstanding CMRR (120dB), PSRR (120dB), and V OS (0. Jump to Latest --lme49722 lme4562 lm4562 opamp is very good sound ,higher ratings than opa2134 -but not as warm and musical (recommend 2134 for driving amps) high current drive,enough There are some major differences between OPA2134 and TL072; for one, since OPA2134 has unity-gain bandwdth of 8MHz vs 3MHz in case of TL072, there is a significant difference in the typical quiescent current: 4mA vs 1. These are low-end jellybeans - and even high-end jellybeans like Ti ne5532, jrc2068, tsh22in, and others will improve things a lot. The OPA2134 is only very marginally better, whereas the AD8599 has a higher noise floor, offset and THD, although not by much. To me, the 4562 should be the touchiest, with its 50 mHz GBP. 1" apart. I chose them because I already have them in my hands. 5V to V = 1, VOUT = 3VRMS, fIN = 1kHz) ±17V. Except opa1656 rest of opamps are available on rsdelivers. 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. So this would probably be my final contribution to A07 measurements. Preferred the The output swing for Aol should be considered as it is different between the two devices. I. ±2000 V OPA2134 in SOIC Package V (ESD) Electrostatic discharge Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001 (1) ±2000 V Charged-device model (CDM), per JEDEC specification JESD22-C101 (2) ±500 OPA4134 in SOIC Package V Vsetko o hifi - SK a CZ diskusie, stereo, konstrukcie, zapojenia, audio, cd, dac, highend, gramofon, sluchatka, hudba, akustika, reproduktory, zosilnovace. Treble Fully warm and back. com/open?id=1kzo6G9kJmkIaBmcjEtPp6dqDExES677MChannel Texas Instruments OPA2134; Texas Instruments LM4562; Texas Instruments LM833; New Japan Radio NJM2742; Analog Devices LT1352; Texas Instruments NE5532; New Japan Radio NJM2732; Analog Device LT1169 And the flicker noise issues work against the LM4562 sometimes too. •Avoid input values below 4 V to prevent degraded VIO that results in an apparent gain greater than 1. Extreme_Boky. SINAD = 86. OPA2132 is a way better in everything than OPA2134 and sound signature is very different. One of them is a linear 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. Now to get some OPA2134's for the 125-500Hz amp! Svend P Active Member. I've read about the 'Sondigo vs. I think that I've just become to used to the OPA2134 'sound'. OPA2134 were themselves replacing tl082. I could safely say that my FLAC/CD inputs sound *almost* the same as the phono sound stage. music6000 Well-known member. but blindly replacing an older OPA2134 is more stable, as it is not too fast for Audio. mwhouston. 39 and requires about a third less power than most of its competitors. Natural Mids (Thin and unchanged) . but should plug straight in withpot any stability problems. So I played the LM4562 for a lot longer trying many other CDs I was familiar with. I'm a cheapskate, so i The Silicon Chip High Fidelity preamp for 2 channel is based on the OPA2134, and is available via the Altronics franchise. Posted August 17, 2014. They're pretty spendy, however. The OPA 627 is well over price and is bass heavy and it’s not AIYIMA A07 TPA3255 Amplifier Measurements and Review - LM4562 (and OPA2134) option. Another parameter that I noticed was the voltage. Pinout of packages is standard - always the same. I have tri-amplified speakers(w/subs) and am using one of the A07's for the 500Hz-3kHz range, and the other handling 125Hz-500Hz. Member; 4. NE5532 Features. How I convert Vout(dB) to Vout(Logarithmic) ? muses8920とlm4562の比較. LM4562 Vs. If this were a new design then I'd agree use the OPA2134, OPA627 etc. Also, if you use SOIC (D) package, TL072 thermal resistance is 97C/W vs 150C/W in case of OPA2134. The LM4562 and LME49720 are IDENTICAL except for the ordering number and marking. col. No problems at the bottom end either. Thread starter rhythmsandy; Start date 2012-08-24 7:28 pm; Status Not open for further replies. Reactions: BrassTeacher. Thread starter pma; Start date Jan 7, 2021; With LM4562, regulated linear 30V power supply and volume pot about 10:00. 2k and 22k. Most of the circuits, including the TI reference design in the datasheet, use operational amplifiers as it is the easiest approach to excellent performance. Output Drive Capability: 600, 10 VRMS. Both of these figures are to be expected because the LM4562 is a bipolar input op amp while the OPA2134 is a FET input op amp. But no matter if they are original or not. OPA2132 is not identical to OPA2134 " except offset" as Groner claimed. 5 and 8V as all the measurements do not get The LME49720 is pin for pin compatible for the OPA2134, the OPA's have the typical laid back Burr Brown sound. Drives 600 Loads . Treble with a bit Warm . @majkel: Compared to the 49860, I believe your comments were that the 4562 was smeary and the 49720 was bland. Joined Jan 30, 2004 Posts 108 Likes 1. Here we can also see that the audio analyzer itself is the limiting factor for the measurements between 3. This, combined with the high output drive capabilities and good DC performance, makes it suitable for a wide range of demanding This is my experience too - no difference between the LM4562 and LM49720, the HA part is a clear upgrade. 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 Other Parts Discussed in Thread: LM4562 , LME49720 , MC33078 , LME49860 , NE5532 , OPA1642 , OPA2134 , OPA1612 , OPA2604 I was ordered about 400pcs of these chips. 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. Joined 2002. I'm curious about Muses, Burson and Sparkos but I haven't taken the plunge to try one of them. consists of 2 x 10 op-amps in parallel and the two 10s are balance connected. Joined 2003. I The OPA2134 is a low-noise, ultra-low-distortion operational amplifier designed specifically for audio applications. Part 1. 3" apart of 4 pins each 0. Vsetko o hifi - SK a CZ diskusie, stereo, konstrukcie, zapojenia, audio, cd, dac, highend, gramofon, sluchatka, hudba, akustika, reproduktory, zosilnovace. The popping sound might be telling me something needs The LM833 was released way more than 20 years ago, and if memory serves, OPA2134 was released around the year 2000, and LM4562 around 2006. You see the opa2604 has quite a Knock yourself out, try OPA2134, NJM2068DD, LM4562,,, 1 ArthurDent. Choosing between them depends on whether you prioritize top-tier sound The TI OPA2134 looks like an easy drop-in replacement for the original NJM4580D, but what has me puzzled is the advise I found on upgrading the power supply caps for the OPA2134s. comAll files and Gerber :https://drive. You can also use the LM4562 or other high quality opamp if preferred. Reactions: seventy1 and redk9258. 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 The comparison between the LM4562 and NE5532 operational amplifiers (op-amps) is an essential journey into the world of audio electronics, where the intricacies of sound quality and performance are paramount. When closed with top cover firmly, both versions behaved almost same. Over this supply range the LM4562’s input For example, I´d like to check the Zo impedance when capacitive load are in output of LM4562 and OPA2134. orchardaudio. So far, my favorite combo is the 2228 in the input (U1) and the 2134 in the output buffer (U3, U4). If you can go with OPA2134 (dual) then go with LM4562 - it is exceptional amp. 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 As a result of reading, I obtained some LM4562's to upgrade one amp. In both the X-DAC V3 and the Headphone amplifier, I get a fabulous 3D soundstage using the AD8066. Most of the listeners would be perfectly happy with Vsetko o hifi - SK a CZ diskusie, stereo, konstrukcie, zapojenia, audio, cd, dac, highend, gramofon, sluchatka, hudba, akustika, reproduktory, zosilnovace. g. impossible ? . - Marc Fricke Baptiste I am wondering if there are certain parameters that will make popular opamps like NE5532, LM4562, TL072, OPA2134, and others, to give the best performance as far as THD and sound quality? When I studied datasheets for those opamps it seems that the lowest THD is achieved when R load is 2k. 5 to ±24 V. Its more fun to listen to the music. • Power Supply Voltage Range: ±2. Alternatives to the NE5532 include the NJM4558 and TL072. There are many dual opamps to choose from. ArthurDent. DeadAirMD Well-known member. Very forward Mids . Likewise, resistors values should be between 2. I've gotten excellent results from OPA2134 in DIP-8 packages. Try them and see for yourself. They also have lower THD and noise is 5. 1 the bass channel is on the opa2134 opamp not the LM4562 i dont know what the guys at auzen were thinking for not including swappable opamps @ all channels, the prelude is not just a gaming sound card (not just for headphones use only) - dvd, hd movies have never sounded this great The comparison between the LM4562 and NE5532 operational amplifiers (op-amps) is an essential journey into the world of audio electronics, where the intricacies of sound quality and performance are paramount. Graph is single supply voltage follower. Wide soundstage OPA2134: Strong bass . LM4562 is the best performer in differential amplifier. As exit or exit buffer Amp with low Gain NJM4580/2068 are SPOT-ON and Questions regarding measured improvements in SINAD of the Aiyima A07, stock opamps vs LM4562 & OPA2134 (w/good DC supply) If the SINAD was ~83 w/ ne5534, was ~86 w/ LM4562, and was ~88 w/ OPA2134, how shall we (officially) describe these differences and shouldn't there be a difference in quality based upon the data? Respectfully,-the new guy The quality comes largely from the use of good quality opamps, such as the Signetics NE5534 or Texas Instruments/ Burr Brown OPA2134. Highest curves are OPA2134+BUF634, middle LME49600+OPA2134 and lowest LME49600+LM4562. Al of that is if you use them in pre-amp role. LM4562, NE5532, and OPA2134. Warm Mids (Deep and Full) . I think a common combination has become use LM4562 on any inputs and use OPA2134 on any outputs. The OPAx132 is the slightly better version for DC critical applications 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. If you are into Fet the OPA2641 is even better then the OPA2134. 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. I've ordered some opa2604's from ebay still in transit to play with. PCM1794A left/right channel distortion . 2012-11-26 11:30 am #2 (OPA2134 vs TL072) won't move the noise figure at 100s of kOhm or higher noise source R by The LM4562 has a lower offset voltage (+/-0. This may be the case with low frequency filters. I got the LM4562 Comparison LM4562 vs OPA2134 vs NJM2068 vs NJM4556 LM4562: Strong bass . OPA2134: Strong bass . Maybe it would fit your taste too. Purchased at Amazon. The uppgrade to lm4562 is a no-brainer if youre interested in hifi, and clearly worth 5 dollars . There is sufficient buz about the LM4562 to at least check the possibility out. In the end it was a complimentary balance between the BB opa2604 and the LM4562 that won the day. This gives a very fast, detailed, and involving sound. TI E2E support forums. The 49720 is more clinical IMO. 2023-09-16 12:33 am #76 2023-09-16 12:33 am There are clearly sounddifferences between opa2604 and lm4562. 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 PCM1794A has differential current outputs and therefore requires some analog circuitry. ashok. It worked well across all the inputs. next post. 8 mApp swing with -6. 2k Region: Australia Location: Victoria Posted April 7, 2020. It's at DAC output (AK4393), the next circuit in the chain is an CS3310. It outperforms most other opamps, very low noise & distortion, doesn't color the The LM4562 is a superb dual op amp with very low noise but I prefer the OPA2134 for its sweet/musical sound. The level of difference that the opamps make is very small. For example, Aol for the OPA1656 with a 600 ohm load will have a linear output swing that is 1. By no means as much as from the OPA2132 to the AD823. Although I am a fan of the OPA2134, I still have very considerable respect for the NE5532. I think this has to do with the 'house sound' of AD - it's like Grados, at first the SR80 and RS2 sound the same. Member; 11. So I have no particular Other Parts Discussed in Thread: TLE2082, TLE2062, OPA2134, OPA1652, OPA1654, OPA1642, OPA1644, LM833 I need to source a replacement for 2 2134 op amps in a new preamp design. Sep 10, 2023 #6 Yeah I read the CA3260 datasheet and looks like I can replace it with a few lil guys I have. I won't burn my fingers on them but they are noticeably hotter. I'm most happy with LT1364 which is pretty much right in tonality across the range of acoustic instruments. . edit2 - There is a significant difference between the TL072 and your alternative amplifers. cold Treble (Natural) . Although many people consider the NE5532 to be an old component and try to find a new one to replace it, the NE5532 is still adequate for most applications. LM4562 OPA2107 OPA2604 OPA2227 OPA2132 NJM4556 AD8066 AD823 AD843 AD744 AD8620 RC4558 OPA2132 - almost like OPA2134, maybe a bit smoother sound. I have tried muse02, muse 8920 didnt feel they were worth the hype or price. The Expresses "leaking" between channels; it is measured by driving a stimulus signal in one channel while listening to the other. 7 kOhms to equal voltage noise or about twice that to overtake a 5532) and a tendency to latch up on startup in single supply applications with high-impedance bias. Double-blind AB we also preferred the OPA2134 at the listening position, especially with the EQ in heavy use. The TL072 is a FET based one, so has much lower bias and offset currents, and typically a higher voltage noise and lower current noise. Review of LM4562 IC 1. Muses02 vs BB OPA2134 in Topping A30 (single-ended to differential buffer) Rig includes: Topping A30 and D30, HD600s (vintage 2017) with HD650 (genuine Sennheiser replacement part) 3m cable (1. Bernie7. 7mV max) than the OPA2134 (+/-2mV max), but the LM4562 also has a higher input bias current (72nA) than the OPS2134 (+/-100pA). Thread starter I always replace the NE5532 in a Rotel's phono circuit with a FET OPA2134 or OPA2604. The last tried was inside a Tag AV32R. noise, bandwidth, THD and output current. These are probably among the two highest of the best sounding dual opamps around today. Arguing for faster opamps in a phono circuit is an overkill. The LM4562's main foibles are rather high input current noise due to what is presumed to be a degenerated input stage (it takes only ~1. Narrow Soundstage NJM2068: Weak bass . To deliver improved sound quality and speed for exceptional audio performance, a real FET input stage is included. 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. Regards Jürgen . I am testing the A07 with 2 different power supplies. I was wondering how big difference there is between 2132 and 2134 as the first one is almost twice the price of 2134. They do sound differently on different type of loads and i'm not a golden ear. Search titles only By: Have you try and listen any others opamps, like the AD825, OPA637, OPA627, OPA2134, etc ? Bye Gaetan. Interestingly enough the OPA2134 isn't the quietest dual op amp in the Comparison LM4562 vs OPA2134 vs NJM2068 vs NJM4556. Nov 19, 2015 #3 OPA2604 is a good sounding Dual opamp - forget the NE5532 . They also have a lower supply current than the 072 series making them safe for limited current Vsetko o hifi - SK a CZ diskusie, stereo, konstrukcie, zapojenia, audio, cd, dac, highend, gramofon, sluchatka, hudba, akustika, reproduktory, zosilnovace. Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. Crosstalk is expressed as a ratio between the quiet undriven channel and the stimulus in the driven channel, and given in decibels. I am fond of the bass response and warm tone of the 2134 in my existing designs, but the new application uses phantom power which is limited to a total of 10mA for the complete circuit. LM4562: Strong bass . It is has good qualities and very all-round LM4562 and NE5532 show almost identical performance in I/V stage, while OPA2134 is 2 dB weaker. I never liked the OPA2134. I have tried them before and whilst impressed with their generally lower noise, sonically I was a little ambivalent about them, however after listening to them for a few hours today I have to admit that th Comparing to the OPA2134 and AD825, the LM4562 is a lot closer to the OPA627. I've been using mostly LM4562, except when I need a JFET opamp (high impedance inputs for example). LM4562 was totally lifeless in two devices - LME49860 was much much better, but also different If the orginal OP is a FET (like TL072, OPA2134 etc) we may be careful sometimes NOT possible to replace with Bipolar (like NE5532 etc). NE5532, OPA2134, LM4562, etc. 0 nV Hz (Typical) DC Voltage Gain: 50000. G'day all, an interesting thread. 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 OPA2134, LM4562, NE5532. Good mwhouston. 5 vs 8 nv. I have had excellent results with LM4562 opamps. Nov 19, 2015 #2 What DAC are you using - is the Opamp used as an I/V stage? JohnW pfm member. In Reply to: RE: OPA2134 vs OPA2604 vs OPA2107 posted by madisonears on December 22, 2016 at 18:48:20: LM4562 in my revox player took more than 100 hours to sound good. That was the circuit where the OPA2134 sounded better. Two identical gain 11 amplifiers were tested. so I would use old school OPA2134 or LM4562. The THS4032 is a bit dry and colorless. Check out Samuel Groner's excellent opamp measurements, he tested all of NE5532, LM833 and MC33078 (and LM4562 and a range of others, too - notable exceptions being any JRC types and the OPA16xx which only appeared in later years). One can almost not find two more different sounding IC:s. One channel driven, 4ohm The Silicon Chip High Fidelity preamp for 2 channel is based on the OPA2134, and is available via the Altronics franchise. and IT SOUNDS GORGEOUS. LM4562 is similar to I tried swapping the original 5532 op amps for OPA2134 (purchased from Amazon) and amp sounded noticeably worse with the 2134s. When a FET is required, the OPA2134 is a better replacement for In the case of my two Aiyima a04 and switching between ne5532 amp to lm4562 amplifier, the difference soundwise is clearly bigger than moving your head 30 cm in the listening room. JohnW pfm member. LM4562 LME49860 OPA2134 OPA2604 Please feel free to suggest other models. The performance of the stock op-amp LM4562 is best characterized as clean, lean, fast, but relatively laid back. I tried using one 2134 and one 4562 and it oscillated. Some people seem to like opa2107, is it "better" than opa2134? I've replaced NE5532 with LM4562 in my CD player and they are fantastic, but then i was replacing bipolar with bipolar and now I If I replace it with an AD8620 or an OP627 or another op-amp as OPA2134, the sound is ok. 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 Compare using a fet opamp, opa1656 vs a opa2134, I see little reason why one would choose a opa2134 for a new design, I'd MUCH rather listen to an LM4562 or an OPA 1656. Thought it was quite thick sounding and lacked air. Post #7 of 20 Tsuioku 100+ Head-Fier. I still have 2134 on the low pass outputs so I can very easily feel the difference in And it is easily substituted with a TL072, LF353, LM4562, or OPA2134. 1mV) give the amplifier excellent operational amplifier DC performance. These would toast at +/-20V so minor tweaks of the power supply/voltage dropping resistor may be needed. I like the phono preamp (an Acoustech PH-1P) but couldn't help wondering if the LM4562 would make an improvement. 74dB. X-fi Prelude' comparison a few threads down and I basically concluded from that the AD8620 might be considered better than the default LM4562. 3V inside of each supply. Another way to say it: JFET OPamps like OPA2134 can replace most any other audio opamp OPA2134: High quality audio op amp, usually used when a very clear and transparent tone is needed. The first one is sounding warm and innofensive, and the LM 4562 is cleaner and leaner. Just getting a better (cheap) opamp worth it. 4" plug). It is probably 8 pin DIP thru hole plastic package (2 rows 0. 基本的に今使っているlm4562の評価点を1. Input Noise Voltage: 5. 4mA, respectively. Every amp. The LM4562's outstanding CMRR (120dB), PSRR KEY SPECIFICATIONS (120dB), and VOS (0. LME47920, LM4562, OPA2134, OPA2132 DIP8 opamps, or SOIC8 on adapters like OPA1656, OPA1678. The LM4562 has a wide At a first listen, the sound difference isn't very big. The current output has 7. Reactions: spi, Chuck D. This has been dispelled by people employed by NS and TI -- back then and currently. NE5532 worked great but DC offset was 45 mV. OPA2604 is the most "coloured" sounding (in the nicest possible way) and the LM4562 probably the more clinical. Member; OPA2134 Op-Amp FAQ. OPA2134, LM4562 and more. impossible ? Thread at least in my Philips CD, between NE5532 and TL072/OPA2134. But no perceptible sound difference from the stock 5532's. Joined 2012. Joined 2008. Just did an A/B with 2 opamp buffers on my Hypex NC500 monoblocks, which I normally use with no buffer, as the dac has Hi all, I've uploaded the . I'd begin with the OPA2604, it's dedicated for the I/V stage and does it very well in my CD player. Aol for the Lm4562 vs ne5532 OPA2134; OPA2228; NE5532; I am trying these chips in different combos. 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. Any project fired up with the OPA 2134 is going to impress due to the cost. The LM4562 was introduced first. I last tried the circuit with OPA2134 in year 2000, and with TL074 in 1992. All distortion components below -100dBr. It is very pleasant. On fast, acoustic music with lots of classic guitars playing at the same time the AD maintains the resolution and instrument separation better. The input is essentially shorted with 10mohm resistor in order to have a -140db control signal. I´m still chewing on my layout for a 6 channel preamplifier with LM4562 (or OPA2134). OPA2134 is more used and more liked, than almost any other JFET op ( Maybe still TL072 is most used, but it is far from OPA2134 in quality )-----OPA2134 is probably the most used DIY Audio op, all categories. And assuming one can actually hear a difference at all (not part of this discussion), the ability to So considering NE5532, LM4562 and OPA2134, OPA2134 gives best measured results in AIYIMA A07. Lower values can be used if the opamps can drive low impedances with minimal distortion (e. TheSeekerr. TL072 & OPA2134 are very nice operational amplifier. The circuit is designed for an OPA2134. ). LM4562 vs TL072 and NE5532 . Neutral means preserving color and timbre without altering it. Posted April 7, 2020. Below are THD+N ratio vs. The LM4562 is a high-performance audio operational amplifier It was built both with LM4562 and OPA2134. google. asc to the Temp file, under the name "compare LM4562_OPA2134" I've used the basis of two existing files that seemed to work, although the LM4562 . Then National Semi, for marketing reasons, decided to create a new part number. 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 The first thing that can be noticed is that there is absolutely no detectable difference between the LME49720 and the LM4562 traces, so the claim that they are identical chips are most probably true. Search titles and first posts only. OPA2134 is a far easier drop-in replacement for the TL072. (like 6dB vs >60dB at 20kHz with a LM4562 with two 330pF caps, depending on the match of coarse, 1% Wide Supply Range: VS = ±4. 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. Question is OPA1612 or even better if you can NJM8830. Sep 10, 2023 The LM4562 goes even further than being neutral, it makes music grey which I don't like. Original file: https://www74. The LM4562 offers clear, detailed sound with low distortion, ideal for audio systems. Jr. oversimplification always leads to false conclusions The LM4562 and NE5532 are two popular operational amplifiers used in audio electronics, each with unique benefits. Reason: Added link It has significantly better noise performance than even the NE5532, LM4562 and far better than the OPA2134. 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 JLCPCB Prototype for $2(Any Color): https://jlcpcb. Some alternatives to the LM4562 include the OPA2134 and LT1358. Share Nov 11, 2010 at 2:03 PM. The NE5532 is budget-friendly, reliable, and great for home recordings or cost-conscious projects. I really like the LM4562 as well as it is very low noise Below is a comparison between OPA1656 and OPA1642. Even after one hour playing, I still could not conclude if the LM4562 was better than the OPA627 or not, though the Again the urban legend (fake news?) surfaces. power, with @90kHz measuring G'day all, all points check out ok. OPA2132 is very precise, direct, with solid (100% controlled) bass line - it's still very good op-amp - in my opinion probably even better than LME49860. output power sweeps into 32 Ω load, with low (0 dB) and high (10 dB) gain settings. OPA2134 vs NE5532? The NE5532 is a Bipolar Input op-amp, whereas the OPA2134 is a FET Input op-amp. Good to see so many on this forum liking this opamp. 5V to ± 17V • THD+N (A The LM4562 has a wide supply range of ±2. Great for guitar fuzz boxes. The schema is buffer -> potentiometer The second opamp is the OPA2134 from T. Blue Shadow Waiting for OPA2134 vs OPA2604 vs OPA2107. Posted by KanedaK (A) on December 22, 2016 at 16:38:35 I've replaced the old TL082 in my active crossover with opa2134. 2 mA common mode level. 5 nV/sqrt(Hz) of input noise VS 5 nV/sqrt(Hz) of NE5532 (NE5534 is quieter but I need a dual chip). Same with the OPA627 though. LM4562 sounds much much better than the BurrBrown chips, however they also run much hotter. They have, The OPA2134 is more a better replacement for the TL072 when you need a FET type. Paid Member. MUSES8820 is the best, IMHO. May be that is reason why LM4562 is popular with many OEMs. Thread starter pma; Start date Jan 7, 2021; Tags Below is the measurement of THD vs. Also comparisons of the OPA627 and OPA637 would be good. Generally - tubby bass, mediocre soundstage, recessed Vsetko o hifi - SK a CZ diskusie, stereo, konstrukcie, zapojenia, audio, cd, dac, highend, gramofon, sluchatka, hudba, akustika, reproduktory, zosilnovace. I double-checked the orientation to make sure the op amps were installed properly. Be sure that package is plastic DIP as I described a not a yeh but since LM4562 is the only swappable opamp @ front, @ 7. Idea taken from Dicks site. Initial impressions were of an even bigger soundstage than the 2134 and much more detail. 00とします。高音域、中音域、低音域、解像度、横方向の広がりについて、感じた音の差を数値化して表します。 なので主観的な測定値になります。ちなみにlm4562の音は非常に気に入っています。 AIYIMA A07 TPA3255 Amplifier Measurements and Review - LM4562 (and OPA2134) option AIYIMA A07 TPA3255 Amplifier Measurements LM4562 option I received my A07 yesterday, on January 6, 2021, shipped from Italy. Good LM4562 in my revox player took more than 100 hours to sound good. If the op-amp is connected straight to the DAC output, you better use a FET input op-amp. The mids seem a bit submerged vs the LM4562, not something I that kept me up at night. LM4562 vs OPA2134 vs [ ? ] Im interested in op amp rolling for my amp since its not expensive to try out and I was surprised to find OPA2132 and OPA2228 are really good sounding op-amps. xmos based asyncronous usb When I bought it I thought I could improve it with lm4562, ada 4898-2, opa2132which I had in abundance. Small-Signal Bandwidth: 10 MHz. The third choice would be 2277 but i believe 2134/2132 would be better? I'll be running the Cmoy at 18v, the gain at the moment is about 2 but i might try to increase it as i've added a pot now. 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 This combinatio of OPA2134 , with AD8066 in the headphone amplifier is very good indeed . It may or may not sound at all noticeably better than a TL072, it depends on the circuit and application. as well and I might try a opa2134 I have lying around. Furthermore I'd like to add the following opamps to the list: - LM4562 - OPA1611/OPA1612 (single and dual) Reply reply spicy_hallucination • Vsetko o hifi - SK a CZ diskusie, stereo, konstrukcie, zapojenia, audio, cd, dac, highend, gramofon, sluchatka, hudba, akustika, reproduktory, zosilnovace. LM4562 may be slightly better, but the difference is not audible. Treble Fully But more importantly, it depends on abstract-ability not differentness. Double blind AB, the TL074 circuit had audible hiss from the speaker, and the 2134 circuit did not. Bones and DeadAirMD. Again, from known dealers or vendor like Digikey or Mouser, not Ebay or Aliexpress Buggle2 Riaa board. What do you think? Thanks in advance. Avoid LM4562/LME49720 and OPA2134/2604 if you do not want to re-engineering circuitry to make it stable. Robert Kesh. I should have done my research a bit better because because I overlooked OPA1612 which is purported to have superior performance compared to LM4562. com and all are unity gain stable. ac analysis stalls. Do use 8 pin sockets so you can try other opamps. G'day all, interesting comments. I tried the 1656 in there but didn't feel it added anything. But it was different in some ways I could not immediately describe. zippyshare. If you use them directly to power headphones in a CMOY like setup I tested three op amps in the circuit: NE5532, LM4562, and OPA2134. I have made a thorough THD and IMD vs. Any gain made by pulling them out will be very small,and may not be obvious in your 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, Vsetko o hifi - SK a CZ diskusie, stereo, konstrukcie, zapojenia, audio, cd, dac, highend, gramofon, sluchatka, hudba, akustika, reproduktory, zosilnovace. 2021-07-31 The LM4562 is part of the ultra-low distortion, low-noise, high-slew-rate operational amplifier series optimized and fully specified for high-performance, high-fidelity applications. Last edited by mediatechnology; 1st December 2017 at 12:52 AM. And it is a JFET opamp, which is always preferred by myself in the positions where slightly higher voltage noise of the It seems paying a few more dollars for LM4562 op amp instead of NE5532 doesn't really make much sense. Thank You . It’s $0. But it seems that's not the case. Search; User; Site; Also The ones I subbed were LM4562's, which work fine with the Aiyimas. Before that, it was as sharp and cold as a swiss knife. G'day all, today I swapped out the OPA2134's in my DIY P06 and replaced them with LM4562's. The older ones (Signetics) sound more warm and analog with a bit of an aura, but less accurate. RE: OPA2134 vs OPA2604 vs OPA2107. 1. Jules. If you use the NE5532, you may find that the small DC offset voltage at the outputs causes some potentiometer noise. I have done this in both the ESP P06 and Muffsy DIY phono stages. 1 9/19 2016-07-13 ACAV LM4562, Rl=2k or 600, Rs=0-150,00-140,00-130,00-120,00-110,00-100,00-90,00 0 5 10 15 20 Freq [kHz] T H D [d B] 3Vrms, Rl=2k 3Vrms, Rl=600 LM4562, Rl=2k or 600, Rs=0-150 lme49713 vs opa627 vs AD815 vs opa2134 vs opa1612 vs opa2836. So far, new opamp seem crispier with better instrument 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. Suggest measure your supply voltage pin I'm not saying you wont One question is can I just use the LM4562 throughout, and simply add a simple FET buffer to achieve the high input resistance eg the 2N5459? Any other comments/suggestions? Thanks . This is where it's important to consider the circuit an amplifier is used in, rather than just comparing data sheet Laterly I have used OPA2134's exclusively with good results, however in very recent times my P06 has sounded (to me), a little 'boring'. Posted by KanedaK (A) on December 23, 2016 at 02:46:03 . 2011-04-17 4:06 am #13 2011-04-17 4:06 The NE5532 is still a decent op amp. sawomum noj daadihp uny otzwvjl wjvumiiv ssfhnhz karg aoc ihmx