Opa2134 vs opa1642 reddit. Gallery Archive Articles.

Opa2134 vs opa1642 reddit 47uf PP film directly from each chip's supply pins to ground. Joined 2006. NE5532 is dual channel opamp, so you can try few of these: opa2134, LM4562, opa1642, opa1656 without burning too much money on rolling opmaps. Switching op amps is likely to cause as The THD+N of the 1688 should be better too, best I can tell comparing the datasheet graphs vs. Two identical gain 11 The better FET-input op-amps are expensive because they are laser-trimmed OPA2134 is probably a good choice in general. I've only used it in a MINT, but I liked it substantially better than the 2132 and almost as much as the AD8620. Theme - Light; 69K subscribers in the diypedals community. THS4062 vs 4032: 4062 is not in any way similar to (let alone better than) 4032 when we talk specs that matter to audio performance. Vendor's Bazaar Purifi 1ET9040BA vs AGD GAN vs Class A/AB. Light Per OPA1642 datasheet: Connected low-ESR, 0. opa2134. Theme - Light; AD 823 VS OPA2132 LM 4562 is superior to the OPA2132 are you sure? LME49720 I threw them in the trash together with the LM4562 in crossover use. Below are THD+N vs. the O2 dScope measurements that NwAvGuy posted. My TT with that OPA2134 sounds more pleasure than any CD if I play it from Technics CD but Pioneer DV-300 shows own teeths and show who is the boss on dynamic range. (Opa2134 is not broken in at all, so it will most likely get better w/time) The base is much better from the 2134, but it does not seem to be as powerful on the output side, but could just be the break-in needed. What is LM4562. So far I've stayed with conventional op In 2022 one would suggest OPA1642 and OPA1656 methinks. The OPA 627 is well over price and is bass heavy and it’s not worth the price you pay for it The OPA1612 and OPA827 are much better than any of these but these are SOIC and you’ll need an adapter with experience soldering skills. It seems the opa2134 uses at least twice as much current as the TL072. As mentioned previously the OPA2134 in BIFET is a decent performer. They are delivered via private courier and it must be signed for, all for free! I also believe you can get some National Devices such as: LME49720, as well because BB bought OPA1642 - Slew = 20V/µs OPA2107 - Slew > 9V/µs OPA2134 - Slew = 20V/µs OPA2604 - Slew = 25V/µs OP275 - Slew = 22V/µs RC4559 - Slew = 2V/µs TL022 - Slew = 0. I was thinking of LM4562NA or OPA1642. Im interested in op amp rolling for my amp since its not expensive to try out and I was surprised to find a lot of variation between them, the amp has a very simple circuit so my results could be more siginificant than with other amps. or in any noise-critical circuit. Oct 3, 2024. Technical Excuse me, it's not the OPA1642, it's the TPA6120A2 vs OPA2134, which one is better for audio, which has better quality, thanks. OPA2134 and OPA2604 are very close in data. I have used the opa1642 as a replacement. de and as stated on their website, it arrived without a power supply. Output Current characteristic curves seem to behave in opposite manners. 06-18-2019 at 06:01am . AD8620 vs. It works with no problems. Audio, Audio, Audio! Amplifiers, Phono preamp, and Analog Audio Review. Anyone tried TI version of this 2134 before 2 X OPA1642. OPA2134 is slow for a I/V conversion if you want the best results. OPA1642 sucks 1. In production pedal circuits I've seen it in the Diezel VH4 and Keeley Magnetic Echo so far. I think I used a NE5532 in my KOT. By continuing to use this site, you are consenting to our use of cookies. 6 KB · Views: 154 Last edited: Dec 19, 2023. Opamp change Now some Disappointments. Misc OPA2134 or OPA2604 . Now there are both Bipolar and JFET OPs of many types. At the risk of immediately coming across as exaggerated and/or hyped -- the "battle" was simply an epic slaughter! Topic: OPA2134 Op Amp Evaluation and comparison; Jack Stoner. artsandmedia. So there is no 100% garantee it will work LinkedIn Reddit Pinterest Tumblr WhatsApp Email Link. ah so much other untested opa's 1678 still on my list ina1620. Bass settings for a P bass OPA2134 and NE5532 both have power supply currents of about 4mA per channel, and have been widely adopted in the market (understatement). I almost went that way, but Parts Connexion has super low prices on the OPA2134. However it draws quite substantial current when idle. I'm currently using an OPA1642 surface mount with older NE5532 from Philips with ceramic packing is better warm,i use opa2134 and found same problem like you,sound is too drier,better high but lost in mid and low bass Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link. The lf411 isn't as good as the current opa2134 for the output buffer/filter role (higher distortion). , luketeaford. 860. reddit's community for DIY Pedal Builders! In a final step I am working on soldering some OPA1642 into adapters and over time will replace the remaining OPA2134 opamps with the OPA1642 to reduce the current draw. Please contact the webmaster or board administrator for more information. In order to answer this question, we need to learn a bit more about the intended use. So far it doesn't save me any money though. The AD826 seems to be smoother than the OPA in the voice range. 4062 is 180MHz vs 100MHz (4032); Slew Rate 400 vs 100V/us, but there the rally ends. Joined Apr 6, 2018 Messages 11,785 Facebook Reddit Pinterest Tumblr WhatsApp Email Share Link. NWavguy also measured njm2068 ns ne5532(4) on D-scope. Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp Email Link . "OPA1612 vs LME49720" opamp comparison "OPA1612 vs LME49720" opamp comparison. Comparison LM4562 vs OPA2134 vs NJM2068 vs NJM4556 LM4562: Strong bass . The OPA1642 only 1. Facebook X (Twitter) LinkedIn Reddit Part Number: OPA1642 Other Parts Discussed in Thread: OPA1652. I really like the 2604. and lm4562(2006) also old headphones sen hd650(2003) beyer dt990(1985). Gallery Archive Articles I tested the opa2134 vs the ad712 that were stock. I've tried the lme49720 on a few dac and had the sameish experience as you. 2002-12-18 4:47 am Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp Email Link. They do sound differently on different type of loads and i'm not a golden ear. All I have made are all sold. Reddit's original DIY Audio subreddit to discuss speaker and amplifier projects of all types, share plans and schematics, and link to interesting projects. One of them is a linear OPA2134 doesn't quite have this advantage but has other good points. Overall, the OPA1642 is a MUCH better choice. Noise is almost same as with LM4562 and there are no problems with distortion. A true FET input stage is integrated to give increased sound quality and speed for great audio performance. Thread starter bmwrob; Start date 2002-05-05 8:35 am; Status This old topic is closed. com and all are unity gain stable. +Gain Bandwidth. Reddit's Loudest and Most In-Tune Community of Bassists Electric, acoustic, upright, and otherwise. I work with OPA2134, which is basically the same, and had the same question. 5 Euro OP275 ~ 3 Euro OPA1612 ~ 6 Euro According to specs I would think the OPA1642 would be one of the best compromises cost vs performance wise. OPA1642, OPA1678, OPA827, and the newer OPA828, or also OPA2810. I ask this as although I have used many OPA2134's over the years I have seen a few that appear to be 'sub standard' in some respects (noisy for example). OPA2134 vs. SIY Grand Contributor. OPA2134: High quality audio op amp, usually used when a very clear and transparent tone is needed. M. Jump to Latest Tieftoener. In conclusion, the comparison between OPA2134 and NE5532 reveals two protean functional amplifiers suitable for a wide range of audio operations. It's nice because it comes in DIP and SOIC, works at video rates, and can handle +-12V. 2014-03-21 6:33 pm #4 2014-03-21 6:33 pm #4 Randy62 said: Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp Email Link. TI OPA134 vs. The R4580 is probably better spec wise but sometimes distortion of a signal to make it warmer (quieter treble) is a good thing. Before any modifications I use shematics to see what i need to choose between these four Op-Amps. OPA2134 Drop-in replacement. Opa2604 is slightly warmer. They sound excellent, will drive low impedance phones, you can run them on 27V (3X9V batteries) and are easy on batteries. Does anyone have any personal experience with fake or suspect OPA2134's? 2134 vs 2132 looking back i'd go with the 2134, it's so much cheaper and sounds the same. 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. Depending on the actual application circuit, Excuse me, it's not the OPA1642, it's the TPA6120A2 vs OPA2134, which one is Swapped the Op Amp in my cheap Pyle phono pre to a OPA2134 and am really impressed in Tested the OPA1642 for the I/V of D10. If all you need to do is power the op amp, hook 30V to V+, gnd to V-, and you're done - the op amp has no concept of gnd outside of V-, so it doesn't matter if it's 15V and -15V or 30V and 0V. I repeat are you sure of your statements Conclusion of OPA2134 VS NE5532 . A modern chip like an OPA2134 or LF353 would be better. Warm Mids (Deep and Full) . If you can use a bipolar OP, the NE5532 is usually the better choice than a JFET OPA2132 / OPA2134. So I don't know. Amplifiers. With the OPA1642 - Slew = 20V/µs OPA2107 - Slew > 9V/µs OPA2134 - Slew = 20V/µs OPA2604 - Slew = 25V/µs OP275 - Slew = 22V/µs RC4559 - Slew = 2V/µs TL022 - Slew = 0. OPA2134 gain stage with voltage series feedback. The OPAx132 is the slightly better version for DC critical applications. For higher-impedance applications, the FETS rule (the PDIP-8 OPA2134 and the SOIC OPA1642). Get the Reddit app Scan this QR code to download the app now. Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr Personally, I like the ne5532 with the cs4398(about the same detail level as the opa2134 subjectively but smoother sounding in my opinion). Gallery The OPA1641, OPA1642, and OPA1644 series of operational amplifiers are unity-gain stable and provide excellent dynamic behavior over a wide range of load conditions. The 5534 is probably fine; but I would replace the 4558s with LM4562s. Very nice presentation in the link! OPA2132 and OPA2228 are really good sounding op-amps. To recap: the circuit has an open loop diamond buffer output, so the op amp is just providing voltage gain. These are just the ones I have experience with and which are arguably the more common ones and there are far more around to try. Alessandro MS-1, Sennheiser HD595, Audio Technica A500, Koss KSC-75, The original thread starter stated opa2134. Gallery Archive Articles Howdy. Digital Source. Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp Email Share Link. I just thought using two opa627, i will achieve 2134's audio quality. Finally got around to some more comparison listening with the Sapphire headphone amplifier. The latter is nearly twice the priceso does that mean it does a lot better? Facebook X (Twitter) Reddit Pinterest Tumblr WhatsApp Email Share Link. Joined 2003. LF353N op amp replacement options for old school Genesis Hello, I just got interested in DIY stuff. On another post I noted how the OPA2604 op amps (what has been used to "mod" the Nashville 1000, Nashville 112 and Profex II) had made a big improvement over the stock factory sound. This feature, in combination with high output drive capability and excellent Part Number: OPA1642 Other Parts Discussed in Thread: DIP-ADAPTER-EVM, OPA2134, RC4558, TL072. diyAudio Community AIYIMA A07 TPA3255 Amplifier Measurements LM4562 option I received my A07 yesterday, on January 6, 2021, shipped from Italy. jpg. that are all connected in the 40k universe. (Normally one would probably point to LM4562 as being the best compromise, but I think the Quiescent Current of 10mA is very high) OPA1656 has even lover distortion. It offers exceptional performance in almost any audio application. OPA134 Posted 10th February 2012 at 11:49 PM by rjm Updated 11th February 2012 at 03:48 AM by rjm. Status Not open for further replies. Details; Discussions; Posts; This discussion; 10,312 posts. Hello, I have on hand 3 OPA1642s. General Interest. I`m looking for something better Op-amps like AD826, OPA2132, OPA2134, OPA1642, LM6172 etc. 2012-06-06 5:45 pm LinkedIn Reddit Pinterest Tumblr WhatsApp Email Link. The voltage noise figure for the NJM4556A *should* be lower, being bipolar input vs. Joined 2004. The sound quality comes from the entire circuit, not the op amp. the lower the noise the more 'air' in the soundstage so I would recommend OPA1642 its noise is way lower than OPA2604. I have tried muse02, muse 8920 didnt feel they were worth the hype or price. Likewise I would have thought that an OPA2134 is an OPA2134! The OPA134, OPA2134, and OPA4134 (OPAx134) series are ultra-low distortion, low-noise operational amplifiers fully specified for audio applications. General Questions. No doubt the OPA1642 is a fine opamp and I can imagine people like it's warmth and punch, but the OPA2828 is simply on a different level. XDUOO MT-605 tube Amp vs Topping PA3s listening comparison. Joined 2018. You have been banned from this forum. Technical Forums. Bipolar or not. It sounds swell but I have a set of the higher performance LMA49720NA DIP-8 opamps here on my desk and I'm wondering if they're plug-in compatible. diyAudio The OPA2134 is an audio-specific low-noise, ultra-low-distortion operational amplifier. From my reading on this subject, it seems that many fake OPA2134's are simply 'restamped' TLO72's for example. 4mA), and its MAX draw is LESS than the 072. Chip Amps. The currenty is AN6552. Apparently it's harder to work with, but i haven't gotten a chance to try it yet. Theme - Light; YYYY-MM-DD / 12-hour clock; Serge VCFS - OPA2604 vs OPA2134? From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! 6 posts • Page 1 of 1. OPA2604 vs OPA2134 ? OPA2604 vs OPA2134 ? Started by nognow, December 17, 2014, 02:03:48 PM. I have done this in both the ESP P06 and Muffsy DIY THD+Noise vs Frequency 3 Description The OPA134, OPA2134, and OPA4134 (OPAx134) series are ultra-low distortion, low-noise operational amplifiers fully specified for audio applications. amplitude for all opamps (with 560 ohm shunt resistors). I would tend to use the OPA1642 for Below is a comparison between OPA1656 and OPA1642. Swap Meet. In some respects I think of the LM4562 as a somewhat upgraded NE5532. 1. 28 times as much (1. Will it harm the rest of the amplifier? The OPA1642, SMT-only, is also a good dual BIFET. Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp If you have an electronic circuit design or repair question, we're good; but if this this a general question about electric motors, motor capacitors, fans, servos, actuators, generators, solenoids, electromagnets, using motor drivers, stepper drivers, DC controllers, electronic speed controls or inverters (other than designing or fixing one), please ask in r/Motors. After another switch, back to the OPA1642, it sounded 'muddy' in comparison. mazdapowered. The first time I did test with opa1642 opa2156(precision opamp version of opa1656) opa1612. But,the OPA2134 might be a suitable upgrade. Christer. 4mA). Probably going to switch to a SMD-only +-5V video rate opamp sometime, though, and just regulate the voltage down, to match with LZX's newer design choices. Noob trying to build a passive headphone filter for testing, trouble finding components upvotes Did you tried OPA1612? I wish to hear something about OPA1612 vs LM4562 M. Is has high output impedance at hundred of khz and megahertz. If you want to reopen this topic, contact a moderator using the "Report Post" button. You The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. breadman Common Wiggler Posts: 178 Serge VCFS - OPA2604 vs OPA2134? From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! Moderators: Kent, Joe. Low noise opamps need to be used with low noise surrounding circuits though so just rolling in a lower noise opamp I agree that it isn't easy to determine what is "better". Home. The main attraction of 40k is the miniatures, but there are also many video games, board games, books, ect. Serge VCFS - OPA2604 vs OPA2134? From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! Moderators: Kent, Joe. The OPA1641, OPA1642, and OPA1644 rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit. THD+N level of all right channels is almost identical OPA2134 replacement on Topping D10 - OP-Amp rolling . Similar Sound compared to OPA2134 Part Number: OPA1656 Other Parts Discussed in Thread: OPA2134, OPA2604 The OPA1656 is the industry’s lowest voltage noise high voltage CMOS on the market. vac . Share: Facebook X Only really better substitution for NJM4580 for example as Pre-Amp can be no less then OPA2228 or even better OPA1612, but for that -3dB less noise (and distortion) over whole audio spectrum you will have to play premium extra. diyAudio Community diyAudio OPA1642 AD8022 AD8066 LT1361 LT1364 Eliminated for various issues LT1469 - rather thin, very clean AD8599 - too thin, very clean, excellent high treble LM6172 - wooden piano sound LT1057 - bit meh overall Previously eliminated in a AK4490 DAC LM4562 - clean but thin OPA2134 - quite good OPA2132 - quite good NE5532 - OK but not special OPA2228 Ok. quite opposite actually :-) Anyway, I went looking for Burr-Brown OPA2134PA, but instead found Texas Instruments OPA2134PA on digikey (part# OPA2134PA-ND). 3. I listened to OPA2134, LM4562, and NE5532, and OPA2134 sounded the best. And if they were offered in a DIP View community ranking In the Top 5% of largest communities on Reddit. The dual and quad versions feature completely independent circuitry for lowest crosstalk and freedom from interactions between channels, even when overdriven or overloaded. Well, anyway, an OPA1642 has better datasheet specs than an OPA2134---about 4 db less noise, 4 db less distortion, and ~ 1 db more headroom. So I can use any one of these ( one at a time !). According to the web site it is doc to use the OPA2134. It sounds somewhat better with wider soundstage and better bass with stereo and instrument separation. Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp Email Link. It is difficult to say which one is better. Hi team, The following two sets of Output Voltage vs. This probably isn’t the answer you want, but I’m going to present it to you anyway. Mark Tillotson. Even on diyaudio where you will find some of the most experienced engineers, not just armchair scientists, in recent years many have begun to change their stance on the conclusive of measurements to audiblility. The LM4562 is a high-performance audio operational amplifier (op amp) manufactured by Texas Instruments. Thread starter moonlightpedalbuilds; Start date Jul 22, 2022; moonlightpedalbuilds Well-known member Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp Email Share Link. I don't like OPA2134 much, so something like AD8620 would have been another good comparison to Burson. Thread starter Tieftoener; Start date 2002-12-18 4:47 am; Status Not open for further replies. BurrBrown OPA2134 vs. Contributor; Posts: 57; Logged; OPA2604 vs OPA2134 ? December 17, 2014, 02:03:48 PM. I have a phono preamp board with three socketed DIP-8 OPA2134 in it. LME49720 +/- 0. allhifi, it really isnt worth trying to discuss this sort of thing here, it never leads anywhere. mocenigo. Previous topic - Next topic. the TI's LME49860, LME49720. Valheim; Genshin Impact; Minecraft; Pokimane; Halo Infinite; I like the OPA2134/4134 better than the NE5542 for hobbyist stuff - runs off 5v, great audio quality, not too expensive. also has body and a somewhat laid-back presentation, which is worth considering as a drop-in replacement for the OPA2134 in most applications. BurrBrown OPA27 Home. 8 vs 1. 4032 is clearly better in the following areas: Settling time to 0,01%: 80ns vs 140ns for 4062; yes but it doesn't matter when they all have the same reference and also show the typical RIAA noise over bandwidth measurement too . OPA1642 on SOIC devices free as SAMPLE for R&D and place them on an adaptor that converts from SOIC to dip 8. Solid State. Noise level is basically the same in LM4562 and NE5532, while OPA2134 is 2 dB weaker. breadman Common Wiggler Something like the OPA1642 might work ok, but it's SMT only as far as I Engineers apply the knowledge of math & science to design and manufacture maintainable systems used to solve specific problems. I used to have a comparison written up between the 2132 and 2604, but I don't know where it is anymore. Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link. It's a better chip. What does the power supply for the OpA look like? Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp Email Link. In fact, dual OPA627 on Browndogs would have been something to consider as well. The OPA2134 is a fast-ish opamp, and can't handle long or high inductance power supply connections. The LM324 might work, but it's probably noisier than you want, and has terrible crossover artifacts (non-linearity, distortion). That's interesting, because in my little opamps rolling experiment it did not do very well. OPA2604 is one of the few op-amps having +24 -24 max supply voltage. From memory should draw something like 7mA. Forums THD+Noise vs Frequency 3 Description The OPA134, OPA2134, and OPA4134 (OPAx134) series are ultra-low distortion, low-noise operational amplifiers fully specified for audio applications. The OPA1688 even beats it on noise. 77K subscribers in the diyaudio community. 6 posts • Page 1 of 1. newer opa1642 (2009) and sennheiser hd660s(2017) not better or improvement, Just different Reddit Pinterest Tumblr WhatsApp Email Share Link. Same with OPA1642 - it's distortion graph is very similar to opa2134. Copy Comment URL; Report Comment; I have also tried opa1642, 1612 and 2134, but they are all slightly inferior to lm4562 soundwise in Aiyima a04. Although I am a fan of the OPA2134, I still have very considerable respect for the NE5532. Something better than the LM4562? diyAudio Community diyAudio Store. NE5532 or OPA2134. Review of LM4562 IC 1. This may be the case with low frequency filters. Technical Expert. If the piano tone is right, I find most other tonalities are also good. Is 30 votes, 13 comments. 85 times as much quiescent current as the stock TL072 (4mA vs 1. N. C. musical. The 2134 is an "audio" op-amp, meaning that it is a de-rated 2132. Opa1642 sounds a bit smoother and silky at top end but a little bit fat in the mids. Additionally, 5V isn't really enough for the OPA2134. These three Op-Amps sounds great. georgehifi. Replies 40 Views 9K. Any futher recommendations? Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr In fact when the originals were first installed I remember thinking that they didn't sound as good at the LM833's in there previously! But these OPA2134's sound nothing like the original ones. I personally have the DT 990 and have tested it with the OPA2134 and find it requires a power supply of around 8V+ for it to achieve volumes higher than what a desktop PC can deliver. The Utopia and LCD-XC can be powered to deafening levels. Not sure a guitar effect could do it justice. For OPA1642, the output current (limit) However, there are several op amps that are often considered for audio application like NE5532, OPA2134, LM4562 and more. Premier Sponsor Forums and Sponsor Forums Take the Micro vs. which would you prefer and why? what are the advantages and disadvantages of each? G'day all, an interesting thread. Just sold these 4 pedals!!! upvotes The OPA2134 is very ordinary, I consider it a side step to the NE5532. Then I also experience the mid range of this 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. however I cannot source an OPA164x at the moment, seems to be some kind of shortage. Facebook Twitter Reddit Pinterest The 4558 isn't a great piece of equipment. Forums. OPA1642 would be my suggestion to upgrade OPA2134, its about half the price from TI but being SOIC would need an adaptor for DIL applications. The OPA1642 is not a 'cheap' amplifier, but it is very clean, and seems to behave well, even in a non-inverting application. Facebook X Reddit LinkedIn Page 1 of 2. Serge VCFS - OPA2604 vs Just found a space to test AIYIMA A07 with OPA2134 opamp. 2020-01-05 11:05 pm #15 Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp Email Link. Gaming. OPA1642/4 Alternatives? Supply problems :(diyAudio OPA1642 looks good on paper, better when you read the chatter from TI engineer on the project The OPA2134 is the best FET for the buck at around $3-4 each. Facebook X (Twitter) LinkedIn Reddit Pinterest You only have one audio opamp, the OPA2134, and one kinda-acceptable opamp, the LMV358. I've read good things about the OPA1642 in the super long CNC thread. These replacements sound clean, crisp and dare I say it. 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. 2020-05-13 8:03 am Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp Email Link The OPA1642 has more open at the high frequency, it is more detail but it noticeable sharp and edgy sound. breadman Common Wiggler Posts: 178 Joined: Mon Jun 18, 2012 11:22 pm Location: NY. I can get an adapter for the OPA1642 or any other TI opamp that would suit the circuit. Both are significant improvements over the LF353. Looking at the data sheet of the 2132 vs 2134, it would seem that the noise curves are identical. Monamtb; Oct 3, 2024; Amplifiers, Phono preamp, and Analog Audio Review; Replies 0 Views 539. 5 mm headphone output does exactly what it's supposed to do: power your headphones without coloring the sound. Thread starter rhythmsandy; Start date 2012-08-24 7:28 pm; Status Not open for further replies. Avoid LM4562/LME49720 and OPA2134/2604 if you do not want to re-engineering circuitry to make it stable. Latest posts. diyAudio Community diyAudio Store. The opa1678 looks like a better chip, as well and it's less than a buck. OPA1642 ~ 2 Euro OPA1656 ~ 2. Opa2134 isn't a bad opamp, but I don't like if in lpf sections. Normal audio can use the cheaper OPA2134. Audio op amp comparison NE5534A vs. OPA2134 is suitable for voltage low-pass filter. AD8610 . I guess what puts me in a dilemma is that Burr Brown branding behind the well known OPA2134 vs. It is a really nice-sounding chip in the right place, but man it is expensive and you can get nearly there for a lot less in trouble as well Sometime I use OPA1612, OPA1642 and OPA1622. It is the best $1 opamp you can get! Sure, there are opamps that perform better spec-wise---the LM4562/LME49720 is the best PDIP-8 available, only surpassed in the bipolar world by the SOIC-only OPA1612. 2013-11-05 7:28 pm #15 2013-11-05 7:28 pm #15 OPA1642 would be a good choice as well. 5V/µs ~ 0. OPA2132P vs OPA2132PA WHAT'S THE DIFFERENCE? diyAudio Community diyAudio Store The other places I have extensively used the humble OPA2134 is in portable headphone amps. If you just wanted to use a single 5V supply, the OPA1671 is good. Design & Build. User actions. Facebook Reddit Pinterest Tumblr WhatsApp lme49713 vs opa627 vs AD815 vs opa2134 vs opa1612 vs opa2836. JFET OPamps like OPA2134 can replace most any other audio opamp. Share: Facebook Reddit Pinterest Tumblr WhatsApp 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. Car Audio. A true FET input stage is incorporated to provide excellent sound quality and speed for exceptional audio performance. 1 MB · Views: 160 test_OPA1642 vs OPA2134. While the OPA2134 offers superior OPA2134 - loudness curve, kicking bass but often no real depth and too fast unnatural cut away yes!, the worst soundstage or imaging, the decay is lost! Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link. I would say it depends on what circuit. The second one could be a bipolar type with good drive Warhammer 40k is a franchise created by Games Workshop, detailing the far future and the grim darkness it holds. Help on op amp rolling: Burson SS V5i-D swap in to replace the stock OPA2134 in the FXAudio DAC 6X mk 2 When I replaced the stock OPA2134 in the FX Audio DAC X6 mk 2 with the Burson SS V5i-D I heard only static noise in the right side of my headphones and no music goes Op-Amps 4558 vs TL072 vs OPA2134 vs 5532 vs LM741 vs LM833 vs LF353 vs OP07. I think I may not need buffer at outputs. Audio, Audio, Audio! Curiously enough it seems to sound its best in combination with the OPA2134. reddit's community for DIY Pedal Builders! The opa2134 already installed is neutralish/slighty bassy. FET on the OPA1688, but strangely it is actually higher at 10nV/sqrt(Hz). OPA2134 or OPA2604. Stereo and Multichannel Amplifier My point was that LM4562 is very low on distortion in 20hz to 20khz full range. 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. AD8610. In (LM49720, OP275) reduction is low. As for BB OPA2134 sound, it sounds better to me than the R4580 and is less fatiguing. Since i couldnt find an opa2134, i just use tl072 and the likes for our projects I am just curious how opa2134's output performance. 8ma quiescent current I agree about the OPA1612 for gain. Monamtb. great results running OPA2134's with at least 470uf Nichicon & 0. The OPA2134 is more a better replacement for the TL072 when you need a FET type. The 2132 has better specs and is felt by most who have heard them compared to sound slightly better. The LF353 should be replaced with an upgraded FET opamp---an OPA1642 if you can deal with a SOIC-to-DIP adaptor; an OPA2134 if you want a DIP. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Yes sir. Members Online. I should have done my research a bit better because because I 85 votes, 23 comments. Light Just received a message from Digikey that the OPA2134 in various forms is being obsoleted. Parts. com. These sound great and outshine many of the other modern high performance audio opamps out there today. 1-µF ceramic bypass capacitors between each supply pin and ground, placed as close to the device as possible. Similar Sound compared to OPA2134 but Bass is little better under control. Head-Fi Special Forums. Light Terms and rules; OPA2134 is a far easier drop-in replacement for the TL072. That's our starter's specification. Parts The OPA2134 draws 2. Purchased at Amazon. 1 2 > Similar Threads. Source & Line. 13 mA Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp Email Share Link. Same with the OPA627 though. Gallery Archive Articles. tl072cn replaced by opa2134. breadman Common Wiggler Posts: 178 Serge VCFS - OPA2604 vs OPA2134? From circuitbending to homebrew stompboxes & synths, keep the DIY spirit alive! 6 posts • Page 1 of 1. FET input with 2pa input bias. The advice was: . From: Kansas City, MO: Posted 18 Apr 2010 9:10 am . the Ultra Micro for example. Print. Thread starter JoeBob; Start date 2002-01-07 4:08 am; Status Not open for further replies. 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. 4" plug). The LMV358 is good for a little signal generator, but falls short of high-fidelity audio. Using hd600s and 400is to test them Ive compared the Tested the OPA1642 for the I/V of D10. This, combined with its high output drive capability and excellent DC LM6172 for my eurorack-compatible-ish video circuits. breadman Common Wiggler Posts: 178 The HD3 features a PCM5102 DAC and a OPA2134 headphone amp that's separate from the main speaker amp. But I really like the FET's in that position. Member. Community resources, and extensive FAQ for players new and old. AD826 used instead of the the OPA2134. LME49720 vs OPA1612 vs Muses02. but with some opamps i have reduce soundstage (AD823, OPA2134). I have some extra TLE2072 so I may change out the OPA2134 in the buffer positions as there are now new sockets installed in all positions. It may or may not sound at all noticeably better than a TL072, it depends on the circuit and application. Joined 2002. I am testing the A07 with 2 different power supplies. Oct 26, 2024. I plan to get the brown dog adapters and try the opa 627's soon. If you don't mind adapters, the smd version of the opa2134 is cheaper. The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are JFET-input, ultralow distortion, low-noise operational amplifiers fully specified for audio applications. OPA2134 is a FET opamp and has its own unique benefits but isn't as low noise as R4580. For me it's mostly a question of realistic grand piano tone. 69K subscribers in the diypedals community. AskEngineers is a forum for questions about the technologies, standards, and processes used to design & build these systems, as well as for questions about the engineering profession and its many disciplines. Thread / Thread Starter Replies / Views Last Post; TK-lizer, new EQ from TK Audio With the OPA2134 the DAC was more detailed but the sound lacked body. This is a dual of the 134. jitter. Except opa1656 rest of opamps are available on rsdelivers. It will oscillate at a high frequency, and (though inaudible because of the high frequency) will distort audio in a very atonal way. OPA2132 is not identical to OPA2134 " except offset" as Groner claimed. An op amp is part of a larger circuit and is chosen because its specs match those required for the circuit. Reply reply reddit's community for DIY Pedal Builders! Members Online. 5 times as much (5 vs 1. When I do serious listening test between them, just an A - B testing, not back and forth, I found the OPA1642 creates more noise at upper frequency because of those high frequency details. Theme - Light; AD8620 vs. But deep bass and transients seem more punchy in the OPA2134. If anything, it has a more 'neutral' sound than the (possibly slightly euphonic) OPA2134, but its performance is very reliable and dependable and of a very high standard, which possibly explains its long standing use in 'professional' audio gear. 7mV max still wins 🙂 . Both fet based opamps sounds a little bit more solid in the bass(not quantity but the imaging and the texture). . My favorites at the moment opa1642 and this one opa1656. WTB: Something a little better than OPA2134s. Go Down Pages 1. OPA2604 is a little bit faster. lme49713 vs opa627 vs AD815 vs opa2134 vs opa1612 vs opa2836. nognow. I've seen people use OPA1642/1644 a replacements for the NJM4580s and TL074s on these amps. OPA134. My Technics SU-V9 is having relay issues, and needs a recap, and possible opamp change. The LM4562 is a dual-channel op amp, meaning it contains two Haha, in fact, it makes you wonder if a "better" opamp will yield just as much (or more) improvements over Burson. OPA2134 is basic hi quality Op-Amp and all rounder Op-Amp with great sound. LT1113 is also usable JFET-input opamp, but with lower slew-rate. If only two mics ? Latest: nbuford; 17 minutes ago The OPA2134 doesn't have a specific ground input, just a V+ and V-. Facebook X (Twitter) Reddit Pinterest Tumblr WhatsApp Email Share Link. I like opamp rolling, but the dac x6 opamp socket is for the i/v section of the dac and the power supply is very limit(3 parallel icl7660 generating a negative rail for the tpa6120+op275 and the opa2134). That op amp is not all that bad. Part 1. By georgehifi March 22, 2022 in Stereo Amplifiers & Pre-Amps Share This is how I got a set of these including In a final step I am working on soldering some OPA1642 into adapters and over time will replace the remaining OPA2134 opamps with the OPA1642 to reduce the current draw. 4mA), and the LM4562 3. Reddit's original DIY Audio subreddit to discuss speaker and amplifier projects of The OPA2134 is an op-amp not comparable to the TDA2822, so you cannot use the same circuit and swap out the IC. Some seem to like it used in combo with he OPA1612. The OPA1642 for instance has a diff input voltage max to the supplies. vipersg; Sep 19, 2024; Stereo and Multichannel Amplifier Reviews; 2 3. It's not the most exciting combination but the 3. andyjevans. Facebook Reddit Pinterest Tumblr WhatsApp Email Share Link. Home I'm with Jim here. I too find that the OPA1612 and OPA1642 are fantastic upgrade/replacements in a whole lot of professional and consumer audio gear out there equipped with comparatively outdated opamps. OPA2134 is more stable, as it Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. , luketeaford, Kent, Joe. Or check it out in the app stores     TOPICS. Opa2134 is a very good opamp. I made quite a few of these over the years based on the CMoy schematic. A question for opamp gurus. 2. But it IS more expensive and SOIC only. 6SL7 tube SRPP gain stage with voltage shunt feedback. The OPA1642, SMT-only, is also a good dual BIFET. I simply explained my reasons for why i think they are lower noise, but i also heard them in real circuits and noise wise they outperform ne5532 in high gain circuits . Rolling opa1642, opa1612, muses8920, 2xopa627bp, lme49720na, opa2134. OPA 2132P I do not find it suitable as it gives a warm sound while AD 823 is 100% neutral without counting the sharpness and also the detail. Vs what was installed in the factory (opa2134 IC) has more distortion starting from 1~2khz and up. osjctso qrnse dguv qgsd liu qiyxei aahiq ddxhj qewkdqh jnpa