- Opa1612 vs ne5532 reddit forum. You should be able to find single-to-dual DIP8 adapters for mounting 2xAD797 on a DIP8 socket. 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. Mar 14, 2010 · Tubey, better late than never - I just replaced all NE5532 amps in Benchmark DAC1 with OPA1612 and play it so far for few hours. 42 (in total) so it really hardly cost anything to check yourself. NE5532 was VERY good in LF and midrange performance. The NE5532 is used everywhere as its sound profile is designed to catch people's attention. 1-nV/√ Hz noise density with an ultralow distortion of 0. Oct 2, 2021 · I also think that op-amp rolling is rather fun, even if the only op I found to be sounding clearly better than ne5532, was the lm4562 ( the others I tried: opa1642 opa2134 and opa1612 ) Last edited: Oct 2, 2021 May 19, 2017 · Anyway, NE5532's have double-to-triple the input equivalent noise. 000015% at 1 kHz. i expected them to put some Get the Reddit app Scan this QR code to download the app now. However I'm not ok with the sound of my FX Audio DAC X6 which has OPA2134PA and will be checking if NE5532 will make a difference. The old NE5532 is showing it's age now. The BEST, IMNHO, for phono is the OPA1612---another 7 db quieter than the 4562, and faster----at a cost, though--more than 2x the 4562. I've also tried OPA2604 - little bit smoother than the NE5532. bipolar in the NE5532 Jun 5, 2023 · After working with some OPA1612 on my recent Topping PA5 D01 Module replacement project (at ASR), a friend sent me a few OPA1612 opamps he ordered when they were in stock since i couldnt get them anywhere. I don't care about listening tests or something else, just want to use the technical better one in my amp. Aug 3, 2013 · AudioKarma Audio Forums. the dual version AD746 in his replacement phono modules of his preamplifier Coherence ONE Apr 16, 2011 · I only tried lm4562 in I/V converters where the current was big enough to not cause significant current noise and in line out unity gain circuits where it clearly sounds better than ne5532. Nov 8, 2023 · In the "Klipsch Korner" forum, there's been some discussion about the different audio op amps that can be used in the Aiyima and Fosi amps. Anyway, OPA2134 is pleasure sounding Op-Amp. It sounds so neutral like a NE5532, but more spacious and with a lot of details. There is plenty of good comments on them and honestly I just bough 4 for $1. Jul 5, 2006 · Hi All, Please advise what would be the best bet for a modern replacement of the NJM353 in my 12-15 years old vintage 4X60W Class A Zero Feedback car amplifier? Tried dual OPA627AU on adaptor but the sound is of reduced volume, of loss details and PCB is warmer than before and the noob in me did not realized the input current of 7mA X 2 or 14mA for the each of 4 dual adaptor as compared to Dec 26, 2019 · When I used them on the TPA3116D2 board, I found that they offered much more clarity and performance (particularily the LF353N) than the stock NE5532. But that does not say anything about the SQ. my opinion. Well, the lower distortion of the newer opamps are a fact and I can hear that VERY clearly. What do you think? Thanks in advance. The TL072 isn't great IMO. The OPA1612 has ultra low distortion, but more current noise than the existing MC33078. Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link. 5). Phoenix DIY Central! OPA1611 vs OPA134 or OPA1612 vs OPA2134. strangely its probably the most boring sounding one when paired with 400i but the best sounding with hd600 The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. Chip Amps. OPA1612 sounds better than any transistor preamp I've ever heard and better then my own 6N6P 2 case -no barrels hold- 36kg monster preamp with a 100% double blind test win rate. Dec 9, 2019 · Home: RME ADI-2 Pro FS R BE—Neumann KH80 DSP, Arendal Sound 1723 1S Work from Home: JDS Labs Atom—Etymotic ER4SR, AKG K371, Sennheiser HD820 Measurement: Earthworks M30 (Reed R8090)—Earthworks ZDT 1021 — RME ADI-2 Pro FS R BE — REW Feb 11, 2021 · The NE5532/5534 opamp The 5532 is a low-noise, low distortion bipolar dual opamp, with internal compensation for unity-gain stability. Transients are stronger, both rimshots of snare drum and big-band trumpets. The OPA1642, SMT-only, is also a good dual BIFET. After reading Salas opinions on lm833 a few years ago i was interested in why Philips and Japanese manufactureres preffered it and UPC4570 for the I/V stage Dec 15, 2019 · Most Opamps labeled ne5532 are Actually not NE5532. ) For instance, if cost isn't an issue, OPA1612 is an (extraordinarily overkill) upgrade in just about every way. diyAudio Community The TI OPA1612 dual operational amplifier benefits from excellent technical characteristics, allowing very good electrical and audio performance. I don't hear as piercing highs. Different opamps have differing decoupling requirements too, so that might need checking. Mar 17, 2019 · 3. Transients were still good but the HF levels seemed to be a bit rounded off. Now they seems to have changed again to opa1612 in many places - maybe a suggestion to try ? I have tried ne5532, opa2604, lm4562 and opa1612 and I prefered LM 4562 in both Aiyima a07 and the tpa3251-based Aiyima a04. Or check it out in the app stores The es9023p is a dac chip while the ne5532 is an amp chip Jul 30, 2021 · If I could also request test of: OPA1642 ~ 2 Euro OPA1656 ~ 2. . พวก opa627 opa2134 muse01/02 muses8820 muses8920 lme49720 ne5532/34 OPA1612 VS MUSE02 ทั้งคู่เป็น BiPolar เหมือนกัน Nov 9, 2012 · - MUSES01 outclasses all the OPAMPs from above when used in I/V stage of a DAC. But the difference is small. Don't let power supply current limitations get in the way of performance. Nov 25, 2015 · Ive compared the NE5532, NJM4556 and LM4562 so far. I have also used a lot of different OPA types and like them a lot, but as I said, in this case I am going with what I have on hand and these 2 are proven decent stable parts. Jan 12, 2024 · The 2068DD doesn't have quite the supply voltage rating as the 5532, +/-18v vs +/-22v, but they are also actually decent op-amps. Nov 2, 2010 · Would like to replace my Denon's DCD-1500AE opamps of the NE5532 type with something better, OPA2604 and AD823 are two candidates with identical pin layouts Search Everywhere Threads This forum This thread May 9, 2023 · Hello together, i want to put one of the mentioned OP Amps in my amp. 000015% at 1kHz. Apr 6, 2020 · The OPA2134 is very ordinary, I consider it a side step to the NE5532. e Oct 15, 2014 · Texas Instruments' OPA1612 (dual) bipolar-input operational amplifier achieves very low 1. These are SOIC8 size, but you can buy OPA1612 opamps on eBay pre-soldered on a SOIC to DIP adapter. Home. Jul 25, 2016 · Hi Jcx, Thanks for explaining, so IC801, would be first to replace and also ba4560 with the same opamp opa1642, as the ba4560 is probably worse than a NE5532 etc. LM is the best overall, it sounds the most balanced, very natural/smooth/clean, doesnt exaggerate anything but can sound lacking in impact. Solid State NE5532 vs. Oct 8, 2001 · Datasheet shows 9v/uSec for NE5532; but certainly not the BEST for phono amp application----about 5 db noisier than an LM4562/LME49720, but definitely less $$--about 1/3rd the cost. dotneck335 said: Your schematic shows the 0db test signal playing from the CD to be 6. The 5534 is a single version internally compensated for gains down to three times, and an external compensation capacitor can be added for unity-gain stability; 22 pF is the usual value. With proper decoupling the 5532 can sound pretty good. That seemed like a reasonable target for the supply current of the OPA1656 as well. The NE5532 is perfectly fine. 6v. Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. OPA1612 is one the most low-noise opamps ever built, so totally recommended for unity-gain stages (LPF or output stage of a DAC, but also I/V stage too). Will be trying these in gain stage: OPA1611, ADA4610-1, OPA189 Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). Jan 25, 2020 · OK, start from scratch - on the diyaudio forum there's a highly regarded ES9038Q2M DAC + output stage, which uses quite modern opamps - OPA1622 for first stage, and OPA1612 for second stage. Apr 21, 2019 · SparkOS Discrete Op-amps SS3601 and SS3602 with comparisons to Ne5532/5534, Muses02, Burson v6 Classic, and Burson v6 Vivid op amps Apr 17, 2022 · I think audio grade OPamps, in the right application, are very good. What impedance circuitry is involved - current noise specification may be crucial, in which case the MC33078 are fine - similar to NE5532, or you could go to JFET opamps. Jun 23, 2007 · Currently it is working with NE5532. 5 nV/sqrt(Hz) of input noise VS 5 nV/sqrt(Hz) of NE5532 (NE5534 is quieter but I need a dual chip). I ended up staying with this one. The different players sounded different. You can feel the position of each instrument and musicians in front and behind the line of the speakers and this makes the listen experience more emotional Jul 26, 2020 · If we like it or not the NE5532 is outclassed by a far margin. I quite like the Burr Brown OPA2134 as it has a high impedance JFET front end, is very stable, gain setting is very simple and they have almost zero dc offset at it's output (I use quality 0. The OPA1612 offers rail-to-rail output swing to within 600 mV with a 2 kΩ load, which increases headroom and maximizes dynamic range. NE5532AN. While it still has some treble sparkle, It isn't enough to save its sound of complete mudyness and lack of detail. 5RQ Balanced Power - Tascam CD200 - Oppo 93 - Auvio HD Radio Tuner- MiniDSP OpenDRC-DI DSP, 2x4HD - AcourateDRC - UMIK-1 - ECM8000 - REW - Behringer DEQ2496 - Behringer UMC202HD and Focusrite 4Pre USB - Benchmark DAC2 HGC - Krell KCT pre and FPB 350mcx monoblocks - Sennheiser HD650 - MartinLogan reQuest 15" x 48" electrostatic hybrid with 12" sealed woofer 180Hz cross The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. LME49720 vs OPA1612 vs Muses02. Alone the electrical performance (measurements) is in another league in comparison to newer OPAs and ADs. Aug 22, 2005 · I'd use an OP275 instead of a NE5532, it's better sounding (sweeter) and has no dc offset to contend with 1to5mv, so can be direct coupled, unlike the NE5532 which i've seen sometimes at 400mv, and the OP275 can be cheaper, sometimes. Feb 1, 2024 · The sound is warm and full with nice low frequencies, for sure due to the neutral frequency response I saw on graphs available on some forums, and the soundstage is large and detailed. Aug 24, 2018 · As per moderator, here is full article from the site: Objective Guide to Op-Amp Rolling - Part 1 July 30, 2021 Op-Amp Test Board This blog article/post is a deep dive into currently available 8-pin DIP dual op-amps, for those that like to swap op-amps in their designs and/or DIY projects. ••• We would like to show you a description here but the site won’t allow us. Two cases were evalutated – in a Jun 7, 2016 · OPA1612 1612 will sound warmer, thicker, mellower and darker with most headphones and IEMs. I noticed that the HanZao TPA3251 you received came with the 4558 OP amps while the HanZao TPA3255 daniboun received came with the 5532 OP amps. A quick snapshot of the OPA1656 performance specs: Apr 10, 2019 · By newer I meantnewer, because OPA1612 is a newer design then let's say NE5532 or even LM4562. Dec 17, 2018 · Have a significantly better sound by upgrading the stock NE5532 op amps to something more ‘high end’ and modern like the OPA627-AP? How these op amps actually compares (sound wise) in your opinion? Oct 10, 2020 · Aiyima themselves now recommends and offers replacement of ne5532 to lm4562 in the a07 model. Forums. Nov 26, 2017 · In SMT the OPA1612, rated at 40V absolute maximum, is a very good part. The OP1656 is the exact opposite, while still being detailed. Contributors have tried a few different ones (NE5532, LM4562, MUSES02, Sparkos SS3602) with the units. Replacements: For the 5532 the opa2211A or opa1612 as well as LT1358. File 1 (attached) provides a list of possible drop in replacements for the NE5532, where the pin-out and supply voltages are compatible. If the NE5532 improved its HF performance it would sound the best of all these by a reasonable margin . Dual customzied solution will give unmeasurable distortion (possibly -180db). 1uF film caps on their outputs which doesn't roll off the bass inside the audio spectrum). It is more open sounding and clearer sound from OPA1612 then OPA2134. The soundstage is the only good part, it's the wider due to the bass boost and upper midrange scoop. Dec 11, 2019 · It's a killer OpAmp, and better suited to non-inverting buffer duties than the OPA1612/2211 Low- and Mid-Frequency Test Signals for Evaluation of Room Modes // Measurements: ESS Hump revisited // Humpify -- apply "ESS hump"-style distortions to audio files Mar 7, 2019 · Previously i used OPA2134 Op-Amps in my DIY project and CD/DVD modification and after abou year ago i start to use OPA1612. Dry, crisp, analytical and non-intrusive (as compared to the bold NE5532) is what I would describe this opamp as. May 23, 2018 · Opa1656 and opa1612 without tweaking have better performance than almost any discrete solution. Jul 4, 2009 · For I/V: OPA1692 is best, compared to - OPA1612, OPA2192, OPA2209, OPA1652, NE5532, LME9720, OPA1622, OPA1602, OPA1662 For LP: OPA1692 for now, I have good expectations from OPA2209 but they are out of stock. (Like the μA741 is the only one worse in every category, including cost. 2) Buy a real Meanwell 24v PSU, then adjust the voltage all the way down to roughly ~21. Bu one day i decided to crack some open. PMA have done measurements to, and the lm4562 measures slightly better than ne5532 in Aiyima a07 . A quick snapshot of the OPA1656 performance specs: Oct 8, 2001 · My choice would be OPA1612 oder ADA4898-2. NE5532 is a very good amplifier especially for the price ($0. MUSES01 is really the best OPAMP I ever tried in I/V stage, so I strongly recommend it. The A07, just like the Fosi v3, comes with NE5532 stock. Thanks in Jan 10, 2016 · Forums. The OPA604 is topping 10 nV/√Hz. The sensible upgrade is the NE5532. Site Site Announcements Forum Problems & Feedback Terms the input stage differences (JFET vs. But the take-away from the above mini-discussion is that you can employ a custom, linear, no-feedback, ultra-low-noise JFET gain stage in front of whatever you hope to achieve with the op amps. The May 15, 2022 · Site Site Announcements Forum Problems Facebook Twitter Reddit Pinterest Tumblr Amplifiers. OPA2134 and NE5532 both have power supply currents of about 4mA per channel, and have been widely adopted in the market (understatement). I know there are better op amps, but they are not available here, so these are my only 2 options: LM833 or NE5532 Based on data sheet info LM833 has 4. Even an older OPA2604 (better than a NE5532) sounds distorted vs OPA2209 (i. So LM833 is quieter. Aug 3, 2019 · This list shows 71 products, with 14 chips in the DIP-8 package. Jul 26, 2020 · Yes, here are my recommendations: 1) Replace your current fake* NE5532 Op Amps with real Op Amps like the OPA1656. Feb 11, 2021 · I'll look at it if you know of one amp using OPA1612 sounding audibly better than another amp using cheaper op amp in objective listening comparison. They are just a buck each on Digikey and Mouser. 1-nV/√Hz as well as an extremely low distortion level of 0. The OPA1611 and OPA1612 offer rail-to-rail output swing to within 600 mV with a 2-kΩ load, which increases headroom and maximizes dynamic range. Sound-stage increases, sound becomes more detailed without being harsh or sounding bright. They all looked slightly different but totally possible that this is normal. It's specified to be competent for audio uses, something the 358 falls short on. Dec 10, 2015 · A fair question! And although I was the product definer and systems lead for this part, I don't get 100% control over the marketing folks But, I can honestly say that when we started working on this part about a year ago, I was very adamant that I didn't want to create a part with excellent specs but terrible sound quality in the real world. OPA1656 - Better imaging / separation of instruments. (At least the ones i have collected) I have a lot of genuine Ti ne5532 and over the yeas collected quite a view "NE5532" from chines products and kits. According to the TI datasheets OPA1612 has less noise than OPA1656. Other forums provide additional suggestions, and the Mouser database provides yet more possibilities. Oct 8, 2001 · 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. It ensures a very low noise density of 1. 8 bucks for a genuine part. Mar 22, 2022 · OPA1612 (soic on dil adapter board), bi-polar from input to output, again a very good opamp, which to me "sounds more balanced" top to bottom than the LME, it is just as dynamic, but just a little less obvious in the bass leading edge because the mid-range seems a little more fleshed out rich and full bodied, highs are just as good as the LME. System: Equitech 1. For higher-impedance applications, the FETS rule (the PDIP-8 OPA2134 and the SOIC OPA1642). For gain: OPA209 but only against NE5534 and V6V singles. alongside with some aliexpress el`cheapos for like 2 buck a piece instead of 7. Reactions: Phorize , August and Evgeniy Mar 9, 2023 · SMSL SU-10 vs M500 MKIII vs DO300 21 vs 9 vs 11 dual op-amps OPA1612 (accoring to the spec from smsl-audio) What is the Op-amps doing in that? M500 SINAD is higher than DO300 with less op-amps. 1 nV/√Hz noise density with an ultra-low distortion of 0. Jul 5, 2006 · Thorsten Loesch prefer the OPA637 - in the iPhono2 the quad version OV-4627A, go to iFi Audio Model "micro iPhono2": Creating Schematic - help needed and ADA 4627 (ADA4627-1) outperform Burr Brown's OPA 627 (OPA627) and Jeff Rowland prefer the AD744 resp. IMHO the outcome was mostly decided by how the opamps responded to the RF coming out of the dac chip. OPA1656 sounded worst, Muses 8920 sounded best. 2v p-p. Voice reproduction was BEST in the NE5532 ! Unfortunately it was a bit low in the HF. Thread starter oldphaser; Start date Jan 10 Facebook Twitter Reddit Pinterest Tumblr Jun 10, 2010 · From my experience these older OP/ OPA op amps all sound vaious degrees of "not-that-great" (cloudy, lacking details, taking away punch/immediateness). As mentioned previously the OPA2134 in BIFET is a decent performer. Jan 28, 2018 · I had the chance to gather up a selection of opamps from my parts bin, including BB OPA2604, OPA637, AD823, LME49860, JR4556, Muses8820 and 8920, and compare them against each other along with a Burson V6 Classic (thanks to them for sending me an evaluation). In all, I will say the changes are noticeable, but not earth shattering. 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. OPA1612 is fuller sounding - especially lower midrange but also more dynamic. Mar 5, 2007 · 3. Feb 11, 2021 · Member. zkgeztw sfc eofit mfjyg ebmhgnd rcfcr kaqmmcsd sfkfdm zflj dlc