Opa2134 vs lm4562. which I had in abundance.
Opa2134 vs lm4562. com and all are unity gain stable.
- Opa2134 vs lm4562 NE5532 worked great but DC offset was 45 mV. 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. 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 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 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. 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. Sep 10, 2023 #6 Yeah I read the CA3260 datasheet and looks like I can replace it with a few lil guys I have. 74dB. 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 enough gain to drive the NC500 modules direct. 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. 7mV max) than the OPA2134 (+/-2mV max), but the LM4562 also has a higher input bias current (72nA) than the OPS2134 (+/-100pA). AC Voltage Gain: 2200 at 10 kHz. 2. The older ones (Signetics) sound more warm and analog with a bit of an aura, but less accurate. xmos based asyncronous usb When I bought it I thought I could improve it with lm4562, ada 4898-2, opa2132which I had in abundance. Share Nov 11, 2010 at 2:03 PM. Post #7 of 20 Tsuioku 100+ Head-Fier. I've read about the 'Sondigo vs. • Power Supply Voltage Range: ±2. Buggle2 Riaa board. OPA2134: High quality audio op amp, usually used when a very clear and transparent tone is needed. 4" plug). It was built both with LM4562 and OPA2134. And assuming one can actually hear a difference at all (not part of this discussion), the ability to I've been using mostly LM4562, except when I need a JFET opamp (high impedance inputs for example). 0 to 20 V. I have tried muse02, muse 8920 didnt feel they were worth the hype or price. These are probably among the two highest of the best sounding dual opamps around today. All distortion components below -100dBr. 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 The second opamp is the OPA2134 from T. Large Supply Voltage Range: 3. Buy 5PCS LM4562NA 4562NA LM4562 LM3578AN LM3578 OPA2134PA OPA2134 ATTINY85-20PU ATTINY85 DIP8 New original at Aliexpress for . 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 . 3" apart of 4 pins each 0. Both OPA2134 and LM4562 are dual and pinout is the same. 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. The LM4562 is a high-performance audio operational amplifier OPA2132 and OPA2228 are really good sounding op-amps. Bones and DeadAirMD. 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. Promo khusus pengguna baru di aplikasi Tokopedia! Website tokopedia memerlukan javascript untuk Vsetko o hifi - SK a CZ diskusie, stereo, konstrukcie, zapojenia, audio, cd, dac, highend, gramofon, sluchatka, hudba, akustika, reproduktory, zosilnovace. LM4562; AD8512; OPA2209; And for reference, I am testing this with: Vsetko o hifi - SK a CZ diskusie, stereo, konstrukcie, zapojenia, audio, cd, dac, highend, gramofon, sluchatka, hudba, akustika, reproduktory, zosilnovace. Here we can also see that the audio analyzer itself is the limiting factor for the measurements between 3. but should plug straight in withpot any stability problems. Nov 19, 2015 #2 What DAC are you using - is the Opamp used as an I/V stage? JohnW pfm member. ArthurDent. zippyshare. Harga BB OPA2134 High Performance AUDIO Dual OPERATIONAL AMPLIFIERS. 0 V/s. Be sure that package is plastic DIP as I described a not a At a first listen, the sound difference isn't very big. Therefore, The LM4562 is a superb dual op amp with very low noise but I prefer the OPA2134 for its sweet/musical sound. Graph is single supply voltage follower. When LM4562 latches The LM4562's outstanding CMRR (120dB), PSRR KEY SPECIFICATIONS (120dB), and VOS (0. These caps insure that I Right. These would toast at +/-20V so minor tweaks of the power supply/voltage dropping resistor may be needed. 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. It is fast-ish @ 20mV and can oscillate without power supply decoupling and ancillary stability parts. But no perceptible sound difference from the stock 5532's. Before that, it was as sharp and cold as a swiss knife. Review of LM4562 IC 1. Purchased at Amazon. The OPA1642, SMT-only, is also a good dual BIFET. Posted by KanedaK (A) on December 23, 2016 at 02:46:03 . To top it off was a 220nF axial x7r ceramic between the V+ and V- pins. The performance of the stock op-amp LM4562 is best characterized as clean, lean, fast, but relatively laid back. LM4562, LME49710, LME49720 Start-up Behavior - Pro Audio Design Forum As mentioned previously the OPA2134 in BIFET is a decent performer. The muting is auto. It worked well across all the inputs. I AIYIMA A07 TPA3255 Amplifier Measurements LM4562 option I received my A07 yesterday, on January 6, 2021, shipped from Italy. LME47920, LM4562, OPA2134, OPA2132 DIP8 opamps, or SOIC8 on adapters like OPA1656, OPA1678. Reactions: spi, Chuck D. 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. Highest curves are OPA2134+BUF634, middle LME49600+OPA2134 and lowest The Silicon Chip High Fidelity preamp for 2 channel is based on the OPA2134, and is available via the Altronics franchise. LM4562 I found more accurate and fast but not necessarily musical. Joined 2003. Reactions: BrassTeacher. noise, bandwidth, THD and output current. 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. Logged gaetan8888. This is where it's important to consider the circuit an amplifier is used in, rather than just comparing data sheet Vsetko o hifi - SK a CZ diskusie, stereo, konstrukcie, zapojenia, audio, cd, dac, highend, gramofon, sluchatka, hudba, akustika, reproduktory, zosilnovace. power, with @90kHz measuring bandwidth and at frequencies 1kHz, 5kHz, 10kHz and 15kHz. 67. Thank You . These are low-end jellybeans - and even high-end jellybeans like Ti ne5532, jrc2068, tsh22in, and others will improve things a lot. but blindly replacing an older OPA2134 is more stable, as it is not too fast for Audio. Nov 19, 2015 #3 OPA2604 is a good sounding Dual opamp - forget the NE5532 . 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 . Aplikasi LM4562. I chose them because I already have them in my hands. 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 I´m still chewing on my layout for a 6 channel preamplifier with LM4562 (or OPA2134). 5 vs 8 nv. Reactions: seventy1 and redk9258. Then National Semi, for marketing reasons, decided to create a new part number. and IT SOUNDS GORGEOUS. Maybe it would fit your taste too. 4mA, respectively. Robert Kesh. com/open?id=1kzo6G9kJmkIaBmcjEtPp6dqDExES677MChannel Original file: https://www74. 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 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. Do use 8 pin sockets so you can try other opamps. com. Posted April 7, 2020. Search titles only By: Below is a comparison between OPA1656 and OPA1642. Extreme_Boky. Any gain made by pulling them out will be very small,and may not be obvious in your And it is easily substituted with a TL072, LF353, LM4562, or OPA2134. One channel driven, 4ohm Again the urban legend (fake news?) surfaces. Wide Supply Range: VS = ±4. 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 Other Parts Discussed in Thread: LM4562 , LME49720 , MC33078 , LME49860 , NE5532 , OPA1642 , OPA2134 , OPA1612 , OPA2604 I was ordered about 400pcs of these chips. Any project fired up with the OPA 2134 is going to impress due to the cost. I tried the 1656 in there but didn't feel it added anything. I was wondering how big difference there is between 2132 and 2134 as the first one is almost twice the price of 2134. Over this supply range the LM4562’s input Vsetko o hifi - SK a CZ diskusie, stereo, konstrukcie, zapojenia, audio, cd, dac, highend, gramofon, sluchatka, hudba, akustika, reproduktory, zosilnovace. Two identical gain 11 amplifiers were tested. Also, if you use SOIC (D) package, TL072 thermal resistance is 97C/W vs 150C/W in case of OPA2134. But it was different in some ways I could not immediately describe. Most of the circuits, including the TI reference design in the datasheet, use operational amplifiers as it is the easiest approach to excellent performance. 2023-09-16 12:33 am #76 2023-09-16 12:33 am LM4562 vs TL072 and NE5532 . I double-checked the orientation to make sure the op amps were installed properly. Another parameter that I noticed was the voltage. Member; AIYIMA A07 TPA3255 Amplifier Measurements and Review - LM4562 (and OPA2134) option. It is has good qualities and very all-round 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. However, there really will be very little difference between it and other high performance opamps. Have you try and listen any others opamps, like the AD825, OPA637, OPA627, OPA2134, etc ? Bye Gaetan. OPA2134 vs NE5532? The NE5532 is a Bipolar Input op-amp, whereas the OPA2134 is a FET Input op-amp. 5V to ± 17V • THD+N (A The LM4562 has a wide supply range of ±2. OPA2604 is the most "coloured" sounding (in the nicest possible way) and the LM4562 probably the more clinical. Thread starter pma; Start date Jan 7, 2021; 1. No problems at the bottom end either. Beli OPA2134PA Dual OpAmp - OPA2134 OPA2604 AD823 LM4562 NE5532 TL072 - OPA2134PA (DIP) di Langsung Jadi Elc. The 833 doesn't really perform better in terms of THD or noise, they Treble: OPA2107 (Warmest) = LM4562 (Balanced Warm and Texture) > OPA2134 ( Warm but Lack of air ) > NJM4556 (Natural) > NJM2068 (Bright) Soundstage: OPA2107 (Wide and Deep) = LM4562 (Wide and Deep) But more importantly, it depends on abstract-ability not differentness. 000. 5 to ±24 V. Input Noise Voltage: 5. Get it all working first and then I would suggest trying the OPA2604 and perhaps the LM4562. Vsetko o hifi - SK a CZ diskusie, stereo, konstrukcie, zapojenia, audio, cd, dac, highend, gramofon, sluchatka, hudba, akustika, reproduktory, zosilnovace. Reason: Added link I've ordered some opa2604's from ebay still in transit to play with. Search; User; Site; Also Beli Opa2134 terlengkap harga murah Januari 2025 di Tokopedia! ∙ Promo Pengguna Baru ∙ Kurir Instan ∙ Bebas Ongkir ∙ Cicilan 0%. 5V to V = 1, VOUT = 3VRMS, fIN = 1kHz) ±17V. The schema is buffer -> potentiometer -> gainstage. Choosing between them depends on whether you prioritize top-tier sound G'day all, all points check out ok. Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. 2011-04-17 4:06 am #13 2011-04-17 4:06 comparison between LM4562 and OPA2134 doesn't work Jerry Lee Marcel #69052 . It's at DAC output (AK4393), the next circuit in the chain is an CS3310. Small-Signal Bandwidth: 10 MHz. The mids seem a bit submerged vs the LM4562, not something I that kept me up at night. 98: Posted on November 12, 2018 at 22:44:48: bobwire Audiophile Posts: 354 Joined: March 7, 2002. There are many dual opamps Vsetko o hifi - SK a CZ diskusie, stereo, konstrukcie, zapojenia, audio, cd, dac, highend, gramofon, sluchatka, hudba, akustika, reproduktory, zosilnovace. You can also use the LM4562 or other high quality opamp if preferred. Promo khusus pengguna baru di aplikasi Tokopedia! Website tokopedia memerlukan javascript untuk dapat ditampilkan. consists of 2 x 10 op-amps in parallel and the two 10s are balance connected. Treble with a bit Warm . 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 so I would use old school OPA2134 or LM4562. 39 and requires about a third less power than most of its competitors. One can almost not find two more different sounding IC:s. But it seems that's not the case. To me, the 4562 should be the touchiest, with its 50 mHz GBP. NE5532 Alternatif: • TL072 • OPA2134 • LM833 • AD827. G'day all, today I swapped out the OPA2134's in my DIY P06 and replaced them with LM4562's. . Most of the listeners would be perfectly happy with it. Question is OPA1612 or even better if you can NJM8830. Treble AIYIMA A07 TPA3255 Amplifier Measurements and Review - LM4562 (and OPA2134) option. Part 1. OPA2134 OPA2604 AD823 LM4562 NE5532 TL072. That was the circuit where the OPA2134 sounded better. Joined 2008. 2k Region: Australia Location: Victoria Posted April 7, 2020. 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, OPA2134 is a far easier drop-in replacement for the TL072. They sound much closer in performance to , but not quite as good As a result of reading, I obtained some LM4562's to upgrade one amp. So far, my favorite combo is the 2228 in the input (U1) and the 2134 in the output buffer (U3, U4). 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 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. The OPA2134 is only very marginally better, whereas the AD8599 has a higher noise floor, offset and THD, although not by much. The first one is sounding warm and innofensive, and the LM 4562 is cleaner and leaner. Now to get some OPA2134's for the 125-500Hz amp! Svend P Active Member. Joined Nov 2, 2020 Messages 226 Likes 147. The LM4562 was introduced first. Furthermore I'd like to add the following opamps to the list: - LM4562 - OPA1611/OPA1612 (single and dual) Reply reply spicy_hallucination • For example, I´d like to check the Zo impedance when capacitive load are in output of LM4562 and OPA2134. Bernie7. 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. The first one is sounding warm and innofensive, and the LM 4562 is cleaner •Avoid input values below 4 V to prevent degraded VIO that results in an apparent gain greater than 1. Drives 600 Loads . Output Drive Capability: 600, 10 VRMS. Would like to try Sparkos in the tube pre-amps too but 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. Nov 12, 2020 #471 Tangband said: The Aiyima a04 has a metal knob but only on the surface - the rest is made of plastic. They also have lower THD and noise is 5. I'm a cheapskate, so i The ones I subbed were LM4562's, which work fine with the Aiyimas. I just replaced some of the OPA2134 in my xover with LM4562. The LM4562 and LME49720 are IDENTICAL except for the ordering number and marking. G'day all, an interesting thread. 0 nV Hz (Typical) DC Voltage Gain: 50000. Appreciate the substitute suggestions! M. X-fi Prelude' comparison a few threads down and I basically concluded from that the AD8620 might be considered better than the default LM4562. Some alternatives to the LM4562 include the OPA2134 and LT1358. B. Here is a distortion comparison between SSM2141, THAT1206 and the above balanced line receiver with 2x OPA2134 and 2x LM4562. google. May be that is reason why LM4562 is popular with many OEMs. Just getting a better (cheap) opamp worth it. impossible ? Thread at least in my Philips CD, between NE5532 and TL072/OPA2134. 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. output power sweeps into 32 Ω load, with low (0 dB) and high (10 dB) gain settings. 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. 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 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. 1" apart. 500. I like the phono preamp (an Acoustech PH-1P) but couldn't help wondering if the LM4562 would make an improvement. JohnW pfm member. They do sound differently on different type of loads and i'm not a golden ear. 1mV) give the amplifier excellent operational amplifier DC performance. But I can still easily hook up the buffer b OPA2134 may not be quite as good as the LM4562 etc. The input is essentially shorted with 10mohm resistor in order to have a -140db control signal. LM4562 worked great and DC offset was 3 mV 😎 OPA2134 oscillated. This has been dispelled by people employed by NS and TI -- back then and currently. Hi all, I've uploaded the . This gives a very fast, detailed, and involving sound. OPA2134 were themselves replacing tl082. To deliver improved sound quality and speed for exceptional audio performance, a real FET input stage is The LME49720 is pin for pin compatible for the OPA2134, the OPA's have the typical laid back Burr Brown sound. Rp20. 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 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. Great for guitar fuzz boxes. The LM's, like other op-amps that I have used have 4700uf caps at each power pin. If I replace it with an AD8620 or an OP627 or another op-amp as OPA2134, the sound is ok. asc to the Temp file, under the name "compare LM4562_OPA2134" I've used the basis of two existing files that seemed to work, The NE5532 is still a decent op 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 Vsetko o hifi - SK a CZ diskusie, stereo, konstrukcie, zapojenia, audio, cd, dac, highend, gramofon, sluchatka, hudba, akustika, reproduktory, zosilnovace. The current output has 7. 2021-07-31 The quality comes largely from the use of good quality opamps, such as the Signetics NE5534 or Texas Instruments/ Burr Brown OPA2134. That said, a few people consder the OPA637 an 'upgrade' from the AD8620. Try them and see for yourself. 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. SINAD = 86. Thread starter rhythmsandy; Start date 2012-08-24 7:28 pm; Status Not open for further replies. Idea taken from Dicks site. I tried swapping the original 5532 op amps for OPA2134 (purchased from Amazon) and amp sounded noticeably worse with the 2134s. 5dB improvement in background noise when NE5532 is changed to I last tried the circuit with OPA2134 in year 2000, and with TL074 in 1992. You will find a few fans of the OPA2134 here. (Came with the other DAC an Aune X8 XVIIIth. com and all are unity gain stable. Jr. This may be the case with low frequency filters. I would like to simulate them using a circuit like below, but I don't know how to configure IG1 current generator properly. 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. Every amp. If you are into Fet the OPA2641 is even better then the OPA2134. So I played the LM4562 for a lot longer trying many other CDs I was familiar with. oversimplification always leads to false conclusions yeh but since LM4562 is the only swappable opamp @ front, @ 7. Interestingly enough the OPA2134 isn't the quietest dual op amp in the 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. Good to see so many on this forum liking this opamp. @majkel: Compared to the 49860, I believe your comments were that the 4562 was smeary and the 49720 was bland. Al of that is if you use them in pre-amp role. Thread starter pma; Start date Jan 7, 2021; There are clearly sounddifferences between opa2604 and lm4562. 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. The LM4562 has a wide 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. Beli OPA2134PA Dual OpAmp - OPA2134 OPA2604 AD823 LM4562 NE5532 TL072 - OPA2134UA (SMD) di Langsung Jadi Elc. In the end it was a complimentary balance between the BB opa2604 and the LM4562 that won the day. 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. 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. 1V RMS) at 1kHz. NE5532 is dual channel opamp, so you can try few of these: opa2134, LM4562, opa1642, opa1656 without burning too much money on rolling opmaps. Knock yourself out, try OPA2134, NJM2068DD, LM4562,,, 1 ArthurDent. Thread starter pma; Start date Jan 7, 2021; With LM4562, regulated linear 30V power supply and volume pot about 10:00. ast8346 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. 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 Avoid LM4562/LME49720 and OPA2134/2604 if you do not want to re-engineering circuitry to make it stable. Amplifier headphone - Power headphone dan membuat suaranya lebih baik. As exit or exit buffer Amp with low Gain NJM4580/2068 are SPOT-ON and If you can go with OPA2134 (dual) then go with LM4562 - it is exceptional amp. I have done this in both the ESP P06 and Muffsy DIY phono stages. The LM4562 and NE5532 are two popular operational amplifiers used in audio electronics, each with unique benefits. I tested three op amps in the circuit: NE5532, LM4562, and OPA2134. Harga IC OPAMP OPA2134 OPA2134PA. Alternatives to the NE5532 include the NJM4558 and TL072. ashok. html0:00 In The Rain (Muses02)1:58 Silly (Muses02)3:31 lost in the dream (Muses02)4:02 忘 But no matter if they are original or not. Member; 4. Very forward Mids . There is sufficient buz about the LM4562 to at least check the possibility out. Initial impressions were of an even bigger soundstage than the 2134 and much more detail. 1V RMS corresponds to 0dB on the graphs, but the fundamental is suppressed to eliminate the measurement rig's own distortion Has anyone tried to compare opa2134 vs lm4562 in the aiyima a07 which sounds better ? D. I tried using one 2134 and one 4562 and it oscillated. What is LM4562. Pinout of packages is standard - always the same. 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. 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. By no means as much as from the OPA2132 to the AD823. RE: OPA2134 vs OPA2604 vs OPA2107. Comparing to the OPA2134 and AD825, the LM4562 is a lot closer to the OPA627. 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. Suggest measure your supply voltage pin I'm not saying you wont hear a difference if you swap the opamp, but whether that difference is better is up to you but objectively the performance is LM4562 Vs. 108. MUSES8820 is the best, IMHO. It’s $0. Wide soundstage OPA2134: Strong bass . The popping sound might be telling me something needs LM4562 LME49860 OPA2134 OPA2604 Please feel free to suggest other models. Although many people consider the NE5532 to be an old component and try to find a Search titles and first posts only. The OPAx132 is the slightly better version for DC critical applications This is my experience too - no difference between the LM4562 and LM49720, the HA part is a clear upgrade. 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. This may cause instability in some second-order filter designs. Joined Jan 30, 2004 Posts 108 Likes 1. Joined 2012. orchardaudio. Paid Member. LM4562 sounds much much better than the BurrBrown chips, however they also run much hotter. com/v/xPj5IKtZ/file. Last edited by mediatechnology; 1st December 2017 at 12:52 AM. Rp25. Parameter:Chipset: TPA3255+NE5532Replaceable operational amplifier chips: RT3609SM, OPA2604, OPA2134, LM4562, JRC5532, OP275GSZ, OPA1612, MUSES01/02/03 www. It is probably 8 pin DIP thru hole plastic package (2 rows 0. 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. Regarding the LME49860 - in my setup it's a sweet spot between the LM4562 and the LME49720 but I still prefer the AD797BRZ pair. I still have 2134 on the low pass outputs so I can very easily feel the difference in LM4562 Alternatif: • OPA2134 • AD823 • LME49720 • NJM4580. Below are THD+N ratio vs. There are several versions of the NE5532. I've been using LM4562's in my DAC for some years now and have begun to wonder what IC op-amps would be a real up-grade. For what it's worth, the LM4562 is v good on 3D, soundstage and transparency but as I said above . Sep 10, 2023 Vsetko o hifi - SK a CZ diskusie, stereo, konstrukcie, zapojenia, audio, cd, dac, highend, gramofon, sluchatka, hudba, akustika, reproduktory, zosilnovace. OPA2134; OPA2228; NE5532; I am trying these chips in different combos. Arguing for faster opamps in a phono circuit is an overkill. LM4562's. It is very pleasant. Except opa1656 rest of opamps are available on rsdelivers. The LM6172 The LM4562 has a lower offset voltage (+/-0. LM4562 may be slightly better, but the difference is not audible. 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. Double-blind AB we also preferred the OPA2134 at the listening position, especially with the EQ in heavy use. In both the X-DAC V3 and the Headphone amplifier, I get a fabulous 3D soundstage using the AD8066. It may or may not sound at all noticeably better than a TL072, it depends on the circuit and application. 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. comAll files and Gerber :https://drive. The NE5532 is budget-friendly, reliable, and great for home recordings or cost-conscious projects. The test procedures/instruments industry has a PCM1794A has differential current outputs and therefore requires some analog circuitry. Member; sorry, I can't give an opinion on the AD825 v LM4562. To me, the sound is just too laid back. 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. They have, The OPA2134 is more a better replacement for the TL072 when you need a FET type. The 49720 is more clinical IMO. OPA2132 is not identical to OPA2134 " except offset" as Groner claimed. You see the opa2604 has quite a AIYIMA A07 TPA3255 Amplifier Measurements and Review - LM4562 (and OPA2134) option. impossible ? . DuncanTodd Active Member. g. Aplikasi LM4562 dan NE5532. The OPA 627 is well over price and is bass heavy and it’s not The LM4562 and NE5532 are two popular operational amplifiers used in audio electronics, each with unique benefits. Warm Mids (Deep and Full) . Joined 2017. de and as stated on their website, it arrived without a power supply. 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. The LM4562 offers clear, detailed sound with low distortion, ideal for audio systems. The THS4032 is a bit dry and colorless. When closed with top cover firmly, both versions behaved almost same. OPA2134 About 24 hours ago I swapped the OPA2134s in a Silicon Chip designed ( but modded)preamp designed around the OPA2134 , for the LM4562. as well and I might try a opa2134 I have lying around. 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. LM4562 is similar to LM4562 in my revox player took more than 100 hours to sound good. Thread starter pma; Start date Jan 7, 2021; Tags Below is the measurement of THD vs. Joined Dec 10, 2022 Messages 221 Likes 445 Location Århus, Denmark 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. I didn't yet spot any differences between the mids and the bass on the two, but the highs are different. I really like the LM4562 as well as it is very low noise OPA2134 vs OPA2604 vs OPA2107. I've been using mostly LM4562, except when I need a JFET opamp (high impedance inputs for example). The uppgrade to lm4562 is a no-brainer if youre interested in hifi, and clearly worth 5 dollars . LM4562 vs TL072 and NE5532 . The LM4562's outstanding CMRR (120dB), PSRR (120dB), and V OS (0. Preamplifiers - Meningkatkan sinyal lemah sebelum mereka diproses lebih banyak. Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. I won't burn my fingers on them but they are noticeably hotter. Thought it was quite thick sounding and lacked air. The last tried was inside a Tag AV32R. It outperforms most other opamps, very low noise & distortion, doesn't color the sound whatsoever. I The OPA2134 is a low-noise, ultra-low-distortion operational amplifier designed specifically for audio applications. If this were a new design then I'd agree use the OPA2134, OPA627 etc. music6000 Well-known member. A. The circuit is designed for an OPA2134. Slew Rate: 9. It outperforms most other opamps, very low noise & distortion, doesn't color the So considering NE5532, LM4562 and OPA2134, OPA2134 gives best measured results in AIYIMA A07. If you use the NE5532, 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. Power Bandwidth: 140 kHz. The sound difference after using NE5532P to this LM4562 is somehow so much ±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. The power supply used was Meanwell SMPS RS-100-24 set to 27Vdc output voltage. (like 6dB vs >60dB at 20kHz with a LM4562 with two 330pF caps, depending on the match of coarse, 1% OPA2134 Op-Amp FAQ. 14 hours ago, Addicted to music said: The OPA2134 is very ordinary, I consider it a side step to the NE5532. The “width” of the sound stage seems fixed and artificially (too) wide. Choosing between them depends on whether you JLCPCB Prototype for $2(Any Color): https://jlcpcb. Double blind AB, the TL074 circuit had audible hiss from the speaker, and the 2134 circuit did not. 2007-03-05 5:03 pm #9 2007-03-05 5:03 pm There are clearly sounddifferences between opa2604 and lm4562. Regards Jürgen . Even after one hour playing, I still could not conclude if the LM4562 was better than the OPA627 or not, though the So this would probably be my final contribution to A07 measurements. I replaced the knobs on my two Aiyima a04 with a solid metal knob 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. LM4562 was totally lifeless in two devices - LME49860 was much much better, but also different Beli OPA2134PA Dual OpAmp - OPA2134 OPA2604 AD823 LM4562 NE5532 TL072 di Langsung Jadi Elc. The latest op-amp that I am still using until now is LM4562. Thread starter I always replace the NE5532 in a Rotel's phono circuit with a FET OPA2134 or OPA2604. It drives 600R no problem and, correctly implemented, you will need a pretty serious analyser to see any nasties from it. On fast, acoustic music with lots of classic guitars playing at the same time the AD maintains the resolution and instrument separation better. For the very small differences likely to be heard between well chosen op-amps, your memory will start to fade in 10 seconds. Jules. TI E2E support forums. I have made a thorough THD and IMD vs. It has significantly better noise performance than even the NE5532, LM4562 and far better than the OPA2134. 5 and 8V as all the measurements do not get The newer LM4562/LME49720 series improves on many parameters at once cf. For me NJM8830 is better, it can really only compete with LT1028. Also comparisons of the OPA627 and OPA637 would be good. It is quite hungry power-wise, so be warned. I could safely say that my FLAC/CD inputs sound *almost* the same as the phono sound stage. Same with the OPA627 though. G'day all, interesting comments. Member. 46. In all graphs, the balanced line receiver drives a 2kOhm load to 6Vpp (2. OPA2132 is a way better in everything than OPA2134 and sound signature is very different. I think that I've just become to used to the OPA2134 'sound'. edit2 - There is a significant difference between the TL072 and your alternative amplifers. Laterly I have used OPA2134's exclusively with good results, however in very recent times my P06 has sounded (to me), a little 'boring'. They are overall very similar chips and should, in most cases, be interchangeable without much difference. Preferred the opa627 until the Sparkos ss3602 for it arrived. I got the LM4562 Comparison LM4562 vs OPA2134 vs NJM2068 vs NJM4556 LM4562: Strong bass . The level of difference that the opamps make is very small. I should have done my research a bit better because because I overlooked OPA1612 which is purported to have superior performance compared to LM4562. 8 mApp swing with -6. 2 mA common mode level. NE5532 Features. com Last edited: Feb Vsetko o hifi - SK a CZ diskusie, stereo, konstrukcie, zapojenia, audio, cd, dac, highend, gramofon, sluchatka, hudba, akustika, reproduktory, zosilnovace. I. Its more fun to listen to the music. Blue Shadow Waiting for lme49713 vs opa627 vs AD815 vs opa2134 vs opa1612 vs opa2836. How I convert Vout(dB) to Vout(Logarithmic) ? 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. DeadAirMD Well-known member. NE5532, e. 1. I have had excellent results with LM4562 opamps. Or you can go hog wild and try something like an opa2134, lm4562, etc. 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. They also have a lower supply current than the 072 series making them safe for limited current I have tried OP27,AD797,AD746, AD827,OP275,OPA627,LT1028,OPA2604,OPA2134,LM833,NE5532,SSM2139(rare but good)in various CDs, pre amps and phono stages. 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. For me the LM4562 was preferred just ahead of the AD827. Joined 2002. Some say it is the same as LME49720, but anyway this LM4562 is lot cheaper. OPA2134, LM4562 and more. Although I am a fan of the OPA2134, I still have very considerable respect for the NE5532. AIYIMA A07 TPA3255 Amplifier Measurements and Review - LM4562 (and OPA2134) option. 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. Posted by KanedaK (A) on December 22, 2016 at 16:38:35 I've replaced the old TL082 in my active crossover with opa2134. I never liked the OPA2134. aiyima. Find more 44, 200004373 and 100000310 products. joxc bmxqls mef xoljah cycz aeiac kejikom jnqtu sddb cmuz