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Opa1612 vs ne5532 reddit review
Opa1612 vs ne5532 reddit review. ) I did a test, for example, with upgrading a CS4398 DAC from NE5532 to LM4562NA and then OPA2134. Aug 28, 2023 · LM4562 vs NE5532: What are Differences and How to 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 Jun 10, 2010 · Today I had it open to clean a pot, and noticed an abundance of NE5532 and TL072 op amps (it a really a hybrid - using a few tubes but solid state as well). Well, the lower distortion of the newer opamps are a fact and I can hear that VERY clearly. These would toast Oct 15, 2014 · Texas Instruments' OPA1612 (dual) bipolar-input operational amplifier achieves very low 1. the ne5532 looks a bit harder, narrower and more direct, the other two a bit more relaxed and Jan 10, 2016 · He talked to me about OPA1611's versus OPA134's as well as the OPA1612's versus OPA2134's. 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. The LT1028 is by far better than the Opa1692. It's supposed to be a stright up replacement but it's about a third of the size. So, in 40 years, 741 to TLO72 to NE5532, to 4562. The LM49860 is much clearer and cleaner then the 5532 so you might want to keep that in mind. our buffer/gain adjustments so a customer could ask for a switch between one or the other if they feel it necessary before shipment. 000015% at 1 kHz. They all looked slightly different but totally possible that this is normal. NJM5532 and NE5532 Sparkos Labs SS3602 Discrete Op-Amps - Reviews May 30, 2007 · If the orginal OP is a FET (like TL072, OPA2134 etc) we may be careful sometimes NOT possible to replace with Bipolar (like NE5532 etc). I got a TI NE5532 off ebay. OPA2134 and NE5532 both have power supply currents of about 4mA per channel, and have been widely adopted in the market (understatement). It has the most stable input capacitance vs. V6 vivid measured superb tho. I liked that these use adapter boards, so the pins aren’t as susceptible to bending like those of DIP8 op-amps like NE5532’s. similar to no one would actually need a -120db thd+n amp or a super high res dac in theory, but people are still buying them. Will be trying these in gain stage: OPA1611, ADA4610-1, OPA189 Mar 27, 2023 · I plan on having a test unit sent to Amir for a review to be finished before the pre-order's ship. Probably reached the "good enough" range. [Review Request] Mono Preamp and EQ using Ne5532 Please roast me and give some advise I'm new Schematic and stuff here This is my first attempt to leave bread board and enter PCB world, just a hobbyist doing something that's properly dumb and bad. The TL072 is around a half inch rectangle with 8 legs going into a socket. Thread starter jorisds2; Start date 2024-04-04 8:35 pm; Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link. Jul 26, 2020 · But if the NE5532 is GREAT than the newer TI OpAmps like OPA1612, OPA2228, OPA1692, OPA2209 etc are: OUTSTANDING, MARVELOUS, EXTRAORDINARY, UNMATCHED, OUT OF THIS WOLRD, EXTREME Über OpAmps! Last edited: 2020-08-22 3:52 pm Feb 10, 2024 · Fosi Audio ZA3 Amplifier Review Nov 9, 2012 · Has anyone ever had experience with MUSE opamps? Nov 2, 2010 · Try a pull-down load to the negative supply rail to force the NE5532 into class A, just a few mA will really make it sound better. On Saturday I have received the OPA1612, I have already installed them and since that day they are working all day in the place where I had planned to use this amp. com The different players sounded different. My statements were verified: - OPA1611/1612 are optimized for better distortion than the OPA211 (already pretty good). The Aiyima a04 with lm4562 is dead quiet - no hiss at all. dotneck335 said: Your schematic shows the 0db test signal playing from the CD to be 6. Aug 22, 2009 · I talked to a TI/B-B applications engineer today. My understand if noise isn’t a problem the opa1656 is great alternative to the opa1612. OPA1611, OPA1612 www. I upgraded the volume pot and built an external large transformer power supply (in lieu of a "tap" from the original power amp;s transformer). 000015% THD, even lower than LM4562 OPA1656 - FET input transistors, 0. Transients are stronger, both rimshots of snare drum and big-band trumpets. Mar 30, 2012 · I have a Crate VC508 guitar amplifier that many recommend modding by replacing the TL072CP opamp chip. 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 Jun 7, 2016 · Burson V5i-D Review Shalom, Hello Head-Fi! In this review, I’m going to do a review on the Burson V5i-D op-amp. The OPA1612 offers rail-to-rail output swing to within 600 mV with a 2 kΩ load, which increases headroom and maximizes dynamic range. Need to keep in mind the supply voltage and current draw. The OP1656 is the exact opposite, while still being detailed. When the original OP is Bipolar(like NE5532 etc) we can most always replace with FET or another similar Bipolar OP. Thread starter forami; Start date 2022-05-15 10:48 am; Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link. Jan 7, 2021 · The different players sounded different. Tpa3251 has lower hiss. 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. Pin can be left floating or connected to any voltage between (V–) and (V+). 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. Oct 8, 2001 · My choice would be OPA1612 oder ADA4898-2. 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). (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. Apr 6, 2020 · The OPA2134 is very ordinary, I consider it a side step to the NE5532. Another way to say it: JFET OPamps like OPA2134 can replace most any other audio opamp オペアンプの違いによる音質比較表 Jan 7, 2023 · Sennheiser Momentum, Blon BL03, Brainwavz m2/m5, Liam Daan Swan, Rock Zircon, Tanchjim Tanya, NiceHCK DB3, KZ EDX/DQ6/ZS10 pro/ZEX, CCA C10/C12/NRA, TRN MT1/V90, QKZ VK4, CCZ Melody/Emerald, Kbear KB04, Final E1000/E4000, Smabat NCO2, Jade Audio EA1, Nicehck DB3, Tianderehne TD06, Magaosi K3 pro, Shozy Form 1. Design & Build. Jul 1, 2021 · imho calculation like this does make a lot of sense in theory but ignores how things in real world actually work. But the difference is small. (Like the μA741 is the only one worse in every category, including cost. Sep 11, 2021 · In my opinion, the Aiyima a04 with lm4562 sounds a little better than a07 with the stock ne5532. OPA1656 sounded worst, Muses 8920 sounded best. The Opa1612 is the audio version so they made the specs slightly worse. Nov 9, 2010 · LM4562 / LME49720 / LME49860 - Do they sound different Sep 24, 2002 · OP275 was not as good and forget about the NE5532. I am now working on my 4th review! The 3rd Review is of the Burson Play w/ 5x V6-OPA Classics vs. opa1612, muses8920, 2xopa627bp, lme49720na, opa2134. What is my opinion from the subjectivity of just listening to music?, I think it is a great product considering its price. Jun 7, 2016 · Burson Audio Supreme Sound Opamp V5i - Reviews May 15, 2022 · LME49720 vs OPA1612 vs Muses02. (Digidesign and E-MU. They are just a buck each on Digikey and Mouser. You should be able to find single-to-dual DIP8 adapters for mounting 2xAD797 on a DIP8 socket. The The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. Nov 25, 2015 · LM4562 vs OPA2134 vs [ ? ] Aug 3, 2019 · Rolling a OP amp from a circuit that was designed and calculated for the OP amp that is in use from the factory is like shooting with a shotgun and hoping you hit something far away. Don't let power supply current limitations get in the way of performance. A place for making the right decision when purchasing new headphones. Feb 21, 2010 · The 5532 are generic opamps that have been used in a great deal of audio gear over the years. Bu one day i decided to crack some open. Dec 15, 2019 · Most Opamps labeled ne5532 are Actually not NE5532. But that does not say anything about the SQ. Jul 4, 2009 · I prefer the opa2211 over the opa1612 (same chip but with less better specs). the differences aren't huge, but big enough to make a change worthwhile. These little integrated chips are simple little building blocks designed to work in a wide range of electronics such as PCs and other devices. 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 Apr 30, 2021 · 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 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. Jul 23, 2022 · DACのオペアンプを交換しました。線が少し細くなりましたが、小音量で全体のバランスが良くなり高域のクリア感が増しました。SOP8パッケージの交換は面倒なので、最後にすべくOPA1612に変えちゃいました。SOP8をDIP変換で交換出来るようにとも考えましたが、安定性を考えて中止です。 The toroidal transformer is a GZLOZONE/Zero Zone 115Vac x 2 (parallel for 115, series for 230) with a +-28Vac and a +-12Vac output. IMHO the outcome was mostly decided by how the opamps responded to the RF coming out of the dac chip. Professional audio mixer or control surface May 22, 2015 · I recently reconnected a DIY kit preamp (Series 5000) I made in the 80's. 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. NE5532 can be configured at +/-20Vdc, drawing about 8mA. Oct 10, 2020 · Aiyima themselves now recommends and offers replacement of ne5532 to lm4562 in the a07 model. Mar 17, 2019 · Don't tell that to your employer when you show a new design for review. Jean-Paul ••• Sep 4, 2021 · I popped the hood on my Aiyima A07 and I must say I'm impressed. Valid comparisons between amplifiers can only be made by a double blind test. Oct 10, 2020 · Thank you AnlalogSteph for that information. Both (I believe have Fet-inputs) There’s also 2189 CMOS audio op amp has impressive specs of an impressive was designed for MUX friendly DACs and multichannel dacs! Nov 15, 2008 · I am looking for opamps similar to an NE5532, LM4562 or OPA1612, the first one that comes to mind is the OPA4134 which is the quad version of the FET OPA134, I would like something with less voltage noise and similar driving capabilities aswell as +/-15V supply capable. The NE5532 also has 8 legs but is less than half the size. Dec 12, 2023 · NJM5532 and NE5532 interchangeable? Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link. I have them measured ln violectric v200 and gain stage of o2. PMA have done measurements to, and the lm4562 measures slightly better than ne5532 in Aiyima a07 . 1-nV/√ Hz noise density with an ultralow distortion of 0. Dec 6, 2018 · Old op-amps such as the NE5532 and LF353 are marginal for even 9V applications, let alone V or 3V, then there's the really crappy LM358 with horrific crossover distortion. Jul 26, 2020 · If we like it or not the NE5532 is outclassed by a far margin. Introduction Aug 3, 2013 · I don't know how close the NE5532 is to another 5532 chip, but I replaced the RD5532-D chip in a Sony CDP-C705 with an OPA2228P chip and it sounds so much better. - high levels of DC precision are generally not required by audio customers (audio equipment makers). Even an older OPA2604 (better than a NE5532) sounds distorted vs OPA2209 (i. Noise is roughly around 3-4nV. Inside is as nice and tidy a layout as any I've seen. NJM4558P, OP275, OPA1612, OPA2277PA, OPA2132, OPA2134, OPA2604 Jul 4, 2009 · Cool post! I didn't know double duals to dual existed. Home. 1, Ibasso IT00, Moondrop Aria, AZ Sound Heart Mirror, Celeste Gumiho, TRI I3 Pro Feb 28, 2021 · The best sounding op amps for audio work. OPA2134 measured the best. You can see this in the specs for the tpa3251 and tpa3255 used. So, it is a different design and chip. Dual customzied solution will give unmeasurable distortion (possibly -180db). The dual 28Vac goes to the rectifier board for both amps and a single 12Vac goes straight to the pre/tone board. Nov 24, 2022 · Small update of the opamps change on my Aiyima a07 Pro. Is Other Parts Discussed in Thread: LME49720, NE5534, NE5532, LME49860, MC33078, TL072, OPA1612 Hi everyone - I'm posting to seek confirmation that the LME49710, LME49720 and LME49860 all have differential back-to-back protection diodes from the non-inverting to inverting inputs similar to an NE5532/NE5534. Use a simple resistor, or a J-fet with the IDSS trimmed to 3mA~5mA. The high bias currents responsible for the high current noise will cause issues in many circuits with offsets too - pretty much every stage needs ac-coupling with that sort of bias. 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 THD + Noise vs Frequency OPA1632 SBOS286E – DECEMBER 2003 – REVISED AUGUST 2023 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. Just feel the better spec’d amp is better for the circuit (performance/health wise). The hiss is slightly higher from Aiyima a07, but still very low. The sensible upgrade is the NE5532. At least -120db thd performance. Not familiar with modern devices so I would use old school OPA2134 or LM4562. Mar 14, 2010 · NE5532 is a very good amplifier especially for the price ($0. May 21, 2023 · It also emphasised bass more than the OPA1612, with perhaps a bit more lower midrange presence and slightly less upper midrange. It appears that the OPA1611/2 have a lower noise voltage, wider bandwidth and higher slew rate than the OPA134 and OPA2134's. Certainly use a socket for opamp rolling. 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. 5). common mode voltage that I've measured on any op amp. ALL the op amps are socketed, so I was wondering, since this is about 18 years old, if there are any newer op amps that are a DIRECT replacement for the NE5532 and TL072 op amps in this Apr 8, 2021 · LEAF Dual 9038Q2M VS Gustard X16 pictures inside May 23, 2018 · The first and obvious conclusion: we must avoid the audiophile Burson Audio V5. 2v p-p. Get the Reddit app Scan this QR code to download the app now. The NE5532 is used everywhere as its sound profile is designed to catch people's attention. Facebook Twitter Reddit Pinterest Nov 8, 2023 · New Aiyima A07 MAX Amplifier - Small Footprint, Good Sound Jul 4, 2009 · Here’s a great article comparing opa2156 CMO vs opa1612. Thanks in Mar 5, 2018 · System: Equitech 1. Neatly installed are what look like regular electronics grade Nichicon caps and NE5532 op-amps. That seemed like a reasonable target for the supply current of the OPA1656 as well. The OPA2134 and LM4562NA measured almost identically but both above NE5532. 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. I really love LT1028! It's power-hungry, thou. but the difference between opa2604 and LME49720 is much smaller than the difference between these two compared to the original ne5532. It really does still sound very nice in my system and the MC phono stage is excellent, quite surprising after having used various hi end preamps over the years, It uses NE5532's or Jul 5, 2006 · Thanks for the link. Please check supply voltages first and check in the datasheets if the new ones can have the same supply voltages as the old ones were fed. Thanks. It's specified to be competent for audio uses, something the 358 falls short on. - Page 2 Dec 28, 2018 · Nested feedback/ composite amplifier opamp requirements Burson Audio Opamp Review - Supreme Sound V5 / V5i Op-amps, or operational amplifiers, are ubiquitous in solid state amplifiers. such features / differentiators make the product single out in the competition. If you want to know more about this, post a question about what good chip to use in your unit and you should get some answers. When we developed the OPA1656, this was also a major design target for us, and the designer and myself spent quite awhile in the lab with previous CMOS audio op amps (specifically OPA1652 and OPA1688) hunting for sources of input capacitance variation. Jul 30, 2021 · If I could also request test of: OPA1642 ~ 2 Euro OPA1656 ~ 2. 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. The circuit board is labeled with the cap values and the Op-amps are in sockets. Mar 17, 2019 · The OPA1641 would be slightly better. Apr 10, 2019 · By newer I meantnewer, because OPA1612 is a newer design then let's say NE5532 or even LM4562. When my v3 gets here, I'll try out the OPA1656 and OPA2604 I have on hand and report back. ti. A quick snapshot of the OPA1656 performance specs: 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 May 9, 2023 · Hello together, i want to put one of the mentioned OP Amps in my amp. 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. For gain: OPA209 but only against NE5534 and V6V singles. Home Feb 1, 2024 · Review - Fosi Audio ZA3: my personal experience Feb 11, 2021 · I am using interfaces that come with NJM2068, NE5532 and TL074 stock. Also here a little more information Wikipedia: "The NE5532, also sold as SA5532, SE5532 and NG5532 (commonly called just 5532) is a dual monolithic, bipolar, internally compensated operational amplifier (op amp) for audio applications introduced by Signetics in 1979. Aug 17, 2009 · NEW OPAMP - Anyone tried JRC MUSES 8820 in OPA Apr 4, 2024 · NE5532 Current vs Distortion. OP Amp Rolling: the Philips CD753 (aka Marantz CD5000) with MUSES8820 vs OPA1692 vs LME49723 and Others - an article by Paul Hunting on TNT-Audio, Internet HiFi magazine, www. 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. Or check it out in the app stores The es9023p is a dac chip while the ne5532 is an amp chip Dec 17, 2018 · OPA627 does not appear to be pin compatible with NE5532. Alone the electrical performance (measurements) is in another league in comparison to newer OPAs and ADs. Here you can ask which headphone is better, which amp you should buy, which gear best fit your budget and anything related to headphone comparisons and purchasing. 1 nV/√Hz noise density with an ultra-low distortion of 0. OPA1612 is fuller sounding - especially lower midrange but also more dynamic. I don't care about listening tests or something else, just want to use the technical better one in my amp. This subreddit is for the budget minded audiophile that wants to grow out of soundbars, boomboxes, mini systems, portable bluetooth, lifestyle speakers, and PC peripheral branded audio solutions. ) For instance, if cost isn't an issue, OPA1612 is an (extraordinarily overkill) upgrade in just about every way. May 23, 2018 · Opa1656 and opa1612 without tweaking have better performance than almost any discrete solution. Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. The op-amp was sent by Carlos from Burson Audio, so I’d like to give him and Burson Audio a thousand thanks for giving me a chance to try one of the world’s well-known op-amp in the world of audio. Texas Instruments OPA1612. Feb 11, 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). Mar 9, 2023 · Is the OPA1612 good enough to feed into an external amp? It's in the Fiio K3s but I want to use it as a standalone DAC Dry, crisp, analytical and non-intrusive (as compared to the bold NE5532) is what I would describe this opamp as. tnt-audio. Nov 21, 2019 · Not great current noise alas, probably unsuitable for MM phono amps as a result, but look decent performers otherwise. I would not expect rolling $10 worth of OpAmps to be significantly different. 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. ES9038P w/ 4x SS3601/3602 Sparkos Labs + FUN01 XMOS unit (Singxer SU-1 clone). I had read it many times before posting this threat. e. The 5218 is probably the headphone amp ? Hope you can do something with this information. As part of the review, I will ask him to verify measurements of using the Stock Hypex buffer vs. Mar 17, 2019 · We tried OPA1612, OPA1656, NE5532, and Muses 8920 opamps in Rohm BD34301EKV Evaluation Board (which came with 5532's installed). Home 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. I'd give the stock NE5532 a chance, you might just like them well enough. Mar 17, 2019 · 3. Two cases were evalutated – in a Nov 26, 2017 · thanks for your tips! i have tested the opa2604 and the LME49720 compared to the ne5532. Feb 11, 2021 · According to the TI datasheets OPA1612 has less noise than OPA1656. Yes, it's a very subjective question, so what I am looking is the highest class of sound -- In my opinion, also as said by Tangent, the openness and the cleaness of OPA627/37 put them into a higher league that OPA2604 and LT1364, both of which are very Jul 11, 2022 · Found a few interesting opamps on TI website: OPA1612 - bipolar input transistors, 0. Parts. com SBOS450C –JULY 2009–REVISED AUGUST 2014 5 Pin Configuration and Functions D Package OPA1611, SOIC-8 D Package (Top View) OPA1612, SOIC-8 (Top View) DRG Package OPA1612, SON-8 (Top View) (1) NC denotes no internal connection. PRODUCTION DATA. Sonically they’ve very nicely balanced but lack dynamics. Feb 13, 2016 · To the left we have some power supply circuits and input buffers made up of common NE5532 opamps. 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. Facebook Twitter Reddit Thank you for such kind words and please check out the other reviews as this was the first that I did. We would like to show you a description here but the site won’t allow us. Tangent didn't mention AD826 and LT1364, which are my best choices. The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. Interesting. 00003 THD, Voffset = 1mV - I'm thinking to use this one for servo. AFAIK those are two singles into one dual, like two NE5534 to work as if it was an NE5532.
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