Opa1612 review reddit audiophile forum.

Opa1612 review reddit audiophile forum It could be very interesting to test their performance: - SNR - Bandwish - slew rate-. One is 45. The front panel is made with aluminum combine a black acrylic window, the ID design is quite different from previously DAC and I like the new style. Nov 1, 2023 · This is a review and detailed measurements of the SMSL D400 Pro balanced stereo DAC with Bluetooth support. This configuration is best for use in setups with a source/DAC capable of higher pre-out voltages. After that I compare the best setup with the sound of OPA1612 in the same position. opamp rolling ( or the knowledge & experience of how to go about it myself. Feb 23, 2022 · I read both this review and that for ART DJ-PRE II and wonder whether SINAD measuring conditions evolved: DJ-PRE 83. 152 MHz, very low noise both (-100dBc). r/audiophile is a subreddit for the pursuit of quality audio reproduction of all forms, budgets, and sizes of speakers. 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. com Feb 10, 2024 · Thanks Amir, I was just wondering why the review was taking so long. Here are the measurements of the dual mono and with different op amps (Sonic Imagery 994, OPA1656, LM4562). Just compare this forum say to a gearhead forum. Mar 26, 2022 · Marcus is the Founder & Owner of headfonics. It is less fatiguing than the MUSES01 however, seating the listener further back from the stage. You should be able to find single-to-dual DIP8 adapters for mounting 2xAD797 on a DIP8 socket. MUSES8820 is the best, IMHO. Some opamp upgrades are quite expensive like the Sparkos. Transients are stronger, both rimshots of snare drum and big-band trumpets. I Apr 15, 2023 · A cheap Chinese DAC that cost less than $200. Don't forget to use manufacturer forums as well, you can get a true sense of a product from there. It appears that the OPA1611/2 have a lower noise voltage, wider bandwidth and higher slew rate than the OPA134 and OPA2134's. Jun 7, 2016 · Before writing this review I would like to say many thanks to Mr Charles from Burson Audio for sending me the hybrid op amps for review purposes. Hi! sorry to disturb you again but I might need a little more of your help and experience. , partnered with Cardas Audio, Acora Acoustics, and Woodsong Audio to bring his new compact, affordable 9-series products, which are "based on our Reference Designs," Wright told me in a preshow email. I felt a great improvement overall. 5 Reddit Budget Audiophile; 6. The OP wants less noise than that. There is also the EVAL-1 version which is the least costly. May 15, 2022 · Buggle2 Riaa board. Dec 12, 2020 · NAD's C298 is based upon the Purifi module. My E50 DAC connected to the input of the 3E amplifier was damaged. November 1, 2020 Matrix Audio Mini-i Pro 3 Review – Third Time’s a Charm Feb 22, 2023 · Hello, S=klogW. 4kOhm input impedance which is rarely an issue with well Apr 7, 2021 · I will build the first schematic as well and I want to measure both. Jul 5, 2006 · Thanks for the link. I'm not necessarily advocating the Sparkos. Go for the opa1612 given the choice. I used an oscilloscope to measure the pulse amplitude at the input of the ZE amplifier when the Mar 2, 2019 · Meet the PecanPi DAC and Streamer Improvements over previous generation DAC include: Fully linear ultra low noise power supplies Re-clocking with Crystek femtosecond jitter oscillator Built in HW volume control (no Volume-Clocker needed) Built in high performance headphone amplifier Full Aug 6, 2024 · Hello, I'm new to audiophile and audio science. Jun 20, 2023 · Audiophile is an overused word. 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! Feb 11, 2021 · Dont make me laugh, if you can't hear the difference 5532 vs OPA1612 than you should not be very concerned about SQ (in your case). Audio reviews, science and engineering discussions. What you will get on all the above sites and any store's reviews (Amazon) are a lot of people who have pride of ownership skewing their reviews. The owner then ordered a set of Sparkos Pro SS2590 discrete opamps. Frankly, this product has some points in favor but some against it. It even is using it on the PCM1794A, which is my exact use-case, since I have these chips laying around. Mar 13, 2010 · Some background to my initial post: I'm going to have my Onkyo A9555 integrated amp modded. Power rails were hardwired with Kimber TC cable. I've been linked to that "Digital Audio Review" guy a few times but it's hard to take him seriously when he has an entire website devoted to reviewing four/five figure DAC's. 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. 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 ) Feb 6, 2025 · OPA1612 Op-Amp: Improves positional audio accuracy in games and provides low-distortion sound with rich detail for music. If you're comfortable desoldering soic8 opamps, you can consider swapping opamps but I wouldn't suggest it. It retails for $499 USD. 1, Ibasso IT00, Moondrop Aria, AZ Sound Heart Mirror, Celeste Gumiho, TRI I3 Pro Feb 28, 2018 · Couple of Accusilicon AS318-B Series Professional Audiophile Crystal Oscillators, about 50 USD each. Thanks mate, great list. Jun 21, 2021 · It looks promising but there are no professional reviews of it yet, just 1 lightweight review by Dagogo of the streamer. Taking a lead form "rolling" tubes in tube products, a trend has started in replacing op-amps -- sometimes with much difficulty -- to improve performance of solid state products like DACs. Forums Equipment. of a low order (inaudible up to around 1-2%) and those of a very high order, which always occur even with extremely low THD+N levels are still audible - go to fig. Gosh, there were folks dismissing Atmos even in movies (If you think that spatial audio for movies is a gimmick, yeah • audio·phile: a person with love for, affinity towards or obsession with high-quality playback of sound and music. If it looks a lot like the SH-9 and SU-9 above, the HO200 is allegedly supposed to replace the SH9, thanks to some improvements and a slightly sleeker design. Read a lot of reviews and pickup on the trends/subtext. Nov 26, 2017 · I won't make any attempt to identify "audiophile" op amps but in a dual bipolar input you might consider the NJM2114D. Aug 22, 2009 · I just noticed today on the TI web site that the OPA1611 (single) and OPA1612 are finally reality. g. tnt-audio. Could you please recommend one of these audio interfaces: Focusrite Scarlett 4i4 4th Gen. Self within 2-3dB, at the cost of 2. The output switch chip in the DAC is damaged, which disconnects the output of the LPF op-amp from the TRS socket. Bose makes all-purpose, portable headphones for noisy environments. Each channel has 4 outputs summoned, thus lowering the already really low noise by around -6 dB. It also emphasised bass more than the OPA1612, with perhaps a bit more lower midrange presence and slightly less upper midrange. My main system's driven through B&W speakers, and there's nothing Sonos makes that will compare to the sound I get from that system. Oct 25, 2018 · I've designed a headphone amplifier using OPA1612 as a gain stage and using OPA1622 as output buffers. They have good measurements for most everything they review, including impedance curves for speakers, which is often the only way to find out what the actual impedance profile looks like. It measures quite a bit better than the opa2134 in a variety of areas and has the same pin configuration, which means they are directly swappable. OPA1612 can easily supply 30mA so loads above 150ohm are fine. The OPA1612A is considered a "drop-in" replacement for the OPA1612, with improved performance. May 10, 2025 · HiFi and Music Discussion Forums. 0" package Jan 7, 2021 · The different players sounded different. *Slew Rate*: OPA1612A is slightly faster (25 V/μs) than OPA1612 (20 V/μs). The scalloped front together with the high resolution and bright display make this one of the most beautiful products SMSL has 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. The official unofficial subreddit for Elite Dangerous, we even have devs lurking the sub! Elite Dangerous brings gaming’s original open world adventure to the modern generation with a stunning recreation of the entire Milky Way galaxy. Maybe it's too soon for anyone to have obtained and evaluated samples, but -- well -- has anyone yet? 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. Of course. 7 Reddit Live Sound; 6. The maximum voltage is 44V. 0001% less than a half distortion at 6500hz (maybe even lower because that's about the limit of my measurement rig). According to NAD: "Our line inputs, both Balanced and Single-ended, can accommodate all kinds of analog source components by offering ideal input impedance characteristics with linear ultra-low-noise buffer amplifiers to prevent any sonic degradation caused by inappropriate loading of the source device. A place for discussion, news, reviews and DIY projects related to portable audio, headphones, headphone amplifiers and DACs. Since your L/R channels already feature the Oracle II 02cohesive overall sound, complementing the Oracle II op-amps. Since its launch in 2007, FiiO has specialized in the design and development of a Dec 7, 2023 · This is a review and detailed measurements of the 3e audio 260-2-29A TPA3255 chip based stereo amplifier. That unit came with the Sonic Imagery's 990ENH discrete operational amplifier ("opamp") in the buffer stage (pre-amplifier). A few months ago I Whether it's camera gear, audio set ups, PC components, reviews and reddit subs are strongly male dominated. Joined Feb 24, 2016 Messages 10,524 Likes FYI I'm about to order an Audiophonics HPA-S400ET with OPA1612 instead of OP275. 0 charging dock with a ferrite choke on the usb cable and the power adapter for the charging dock) -> AKG K712/UE 900s/UE Triplefi 10/Sennheiser IE8i The car analogy is spot on. Jan 7, 2020 · Despite previously glancing at the OPA1612 datasheet because it's used in so many DACs and the Purifi input buffer, I had not seen a reference to this document. 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. FiiO is one of the most popular, audiophile-oriented companies in the world. I had read it many times before posting this threat. Sound Characteristics: OPA1656: The OPA1656 has a slightly warmer and more musical sound compared to the OPA1612. The only big downside of the first one is that if I want to be able to set the gain of the stage, I have to use several relays to do so. It doesn't show in the measurements, it's not there. 1584 MHz and the other one is 49. Nov 25, 2015 · The Burson v5 is an especially egregious situation because Burson went out of their way to create a low-volume audiophile op amp that bolstered features like gold plated connection, channel separation, and EMI shielding. Jan 16, 2024 · SMSL HO200. They probably used the stock resistors values too, which are too low for the tl072 to work comfortably. , USA All rights reserved Jun 22, 2020 · Ever since discovering this forum, I've been thinking about deliberate goal-setting when it comes to system upgrades and improvements. The volume/function key changed back as A18. Not to mention he wrote an article recently about "entry level gear" featuring $130 speakers with a $500 amplifier (and >$600 speaker cable, but that is just wh May 1, 2022 · Ansuz PowerSwitch D3 – The Apex of Audiophile Switches? May 5, 2024 FARAD Super10 – The ultimate power for your audio component! February 11, 2023 Trafomatic Audio PRIMAVERA Review – Giving Life Back to Music; August 6, 2023 Raidho TD1. Joined Jun 16, 2020 Messages 12,087 (super audiophile!) The OPA1612 is generally used as IV stage for ESS DACs. The place where audiophiles talk. Jan 12, 2025 · TI are in the business of selling opamps so I have no doubt they will suggest the OPA1612 is good for MM. TPA6120 Headphone Amplifier: Powerful headphone-driving capability for both low- and high-impedance headphones, ensuring impactful sound and pure audio quality. The Mola Mola uses an input buffer board with likely the same discrete opamp buffer circuit used on the NC-400 DIY module. The Fosi sounds very flat and non involving. FiiO Company. It sounds aboslutely nice out of the box but I updated the PSU with a quality German brick PSU. Mar 13, 2012 · Like its sibling devices, the X5Max places heavy emphasis on its audio performance, which is why it packs some dedicated audio chips -- Yamaha YSS-205X signal processor, Sabre ES9018K2M DAC, exclusive Sabre ES9601 headphone amplifier and OPA1612 amplifier -- as part of its "Hi-Fi 2. The 4 x fake OPA1612 in another identical one sound even better, surprsingly good in fact, but they required that I make tiny heat sinks for them because they run so hot. Jul 4, 2009 · V5i brought about a drastic change by controlling the bass better, making the hit/slam quicker, less bloomy, opening up the mids and extending the highs which the XD05 badly needs. On it, I found and ended up purchasing the audiotechnica ATH-M50x headphones and couldn't believe how much better they were than my more expensive Beats headphones. 3uVrms (10Hz-100KHz) 5x ADI ADP151, 9uVrms (10Hz-100KHz) Jitter Filter Technology. Maybe it's too soon for anyone to have obtained and evaluated samples, but -- well -- has anyone yet? They are supposed to be great audio op-amps. Well TBH my set-up isn't currently optimized, but: Topping D30 DAC -> Aune B1s (plugged into a USB 3. Sansui AU-517 (modded). They said no problem, easy Sep 4, 2023 · In this article, we review FiiO’s latest all-in-one unit, the FiiO K9. Questions and Answers. It fails to draw you into the Wifi-enabled audiophile mp3 players are hard to execute well for a variety of reasons, and the market for them is really tiny because they are competing with smartphones that already do what a wifi enabled mp3 player does well enough for most people to use them as their primary streaming music player. 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 Mar 1, 2016 · So there is the audiophile designer, using transformers with a shield to remove the slightest chance of the mains polluting his system ground, then installing a schaffner inlet that puts 2. Someone linked to a review site that was pretty much all people working in the audio industry and audio buffs (excuse my lack of the proper audio vocabulary, I'm new to this world). I skim the rest of the review, getting a high level overview. Read the negative reviews first. some people like to whine about stuff that has no merit for you. The schematic below is a lot more flexible in this regard. I'll have to do some further reading and research before spending any money. No they are talking about Ferraris. New posts Search [Review] Getting animated' zanash; May 11, 2007 Facebook X Bluesky LinkedIn Reddit Pinterest Tumblr Feb 11, 2021 · Very many interesting notes. It was sent to me by the company and costs US $619. To be fair, my "top five" amps are a First Watt SIT-3, PrimaLuna Dialogue Premium, NCore NC400, vintage Sony V-FET, and Concept 11. I usually get that pop when I switch the gain button if the opamps installed in voltage amplification gain are having too much DC on the outputs (>10mV). I bought the March Audio P452 Purifi amp. the usual characteristics of a good audiophile sound . Disclaimer: The FiiO K9 was provided by FiiO for this review, at no cost. It has also gone the other way with "subjective" audiophile gaining a small but recognizable presence in the pro and consumer audio sectors. 00026%(they are pretty much the same chip) but when I measured with opa2156 I get 0. I'm after a analog like sound along w. 2nF straight from the mains into the chassis, simply because he heard somewhere that mains disturbances are audible. I was actually banned from the Hoffman forums and was a regular contributor at Stereo Central until life got in the way. The biggest disadvantage of all these considerations is that all exist distortions (THD+N) are lumped together in the diagrams and no distinction is made between THD components e. Our primary goal is insightful discussion of home audio equipment, sources, music, and concepts. The SMSL HO200 is a desktop headphone amplifier, packing a lot of power in an ultra-compact casing. Parameter:Chipset: TPA3255+NE5532Replaceable operational amplifier chips: RT3609SM, OPA2604, OPA2134, LM4562, JRC5532, OP275GSZ, OPA1612, MUSES01/02/03 Dec 20, 2023 · It appears that what started out as a cheap "what if" $129 whim is turning out to be another audiophile rabbit hole. ) this is the forum for you. Hopefully someone will do a more useful review in the future that compares the Stereo Ultra to other known amplifiers. Engineers apply the knowledge of math & science to design and manufacture maintainable systems used to solve specific problems. It was sent to me by the company as a complete unit even though they only sell the amplifier modules. My new Z623 has just arrived today! but unfortunately the right speaker (with volume and bass knob) started to buzz when I turn on the power (same result after plug in the 3. ModWright 20 November 2023, 12:00 am Dan Wright of ModWright Instruments Inc. Feb 13, 2014 · Penon Impact Asos +x Golden Armour Renata, Flipears Aurora XXIV IvipQ-01, the Archangel Cadmus II, Flipears HiFi edition IvipQ-07, Volt Totem, The 10th AE Bass, Turbo Asos, Dita's Project M, TSMR X, Dome, Serial Space, Quattro, Globe OS133, Vortex, Fan 2, Orb, FAN, Sphere,, BS1 Official, MP145 (The Whale) Limited Edition, Acoustune 1670ss x NWZ Taekyo, CA Solaris Og Leo Plus, ISN H50, Meze 12 May 25, 2020 · The input impedance is low enough to take care of interference. Even the dismissal as "gimmick" seems fitting. For older gear, and for more subjective information, I turn to Stereophile. However, the original OPA1612 remains a popular choice for many audio applications. Feb 6, 2018 · Amir, if you want an lme49720 op-amp or two let me know and I will mail them to you. Aug 16, 2021 · I also tried a few other op amps, OPA1612, OPA627, and Burson V6 Vivid, but I preferred the Sparkos to any of these. Custom Input Buffer Board w/: Feb 13, 2016 · This is a study of whether changing op-amps in a DAC makes a measurable difference. 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. I suggest the following reference - 994Enh Discret OpAmp SONIC IMAGERY LABS - SPARKOS LABS SS3606 - AOP 1612 - LM4562 r/audiophile is a subreddit for the pursuit of quality audio reproduction of all forms, budgets, and sizes of speakers. It's best to avoid spending on boxes until you try your headphones and your setup turns out too quiet. Speakers: Philips 9710 fullrange. 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. If you are a member of the audio/video industry and want to post information about your products (announcements, getting product feedback, etc. Texas Instruments OPA1612 Feb 11, 2021 · According to the TI datasheets OPA1612 has less noise than OPA1656. Not surprised that in audiophile centered forum the audience would just annihilated the idea of sacred stereo music being showcased in spatial audio. com which started in 2011, and a former contributing music journalist to European regional printed newspapers in the late 1980's and 1990's. So far I've bought 2 sets of opamps, just ordered a second PSU and am about to "add to cart" a third set of opamps that cost more than the amp itself. OPA1612 is fuller sounding - especially lower midrange but also more dynamic. V6 vivid measured superb tho. Jul 4, 2021 · This looks like a stock implementation of the pcm1794 datasheet output stage. 7. Jan 15, 2022 · There are not a lot of fora (and maybe just 1 forum) that does measurements and graphs. FWIW, I think the Burson is the most "tube-like" sounding but also the most expensive by far. At least -120db thd performance. Transparency got way better. Known for its dedication to designing high-quality audio equipment, FiiO is a cornerstone of the global audiophile community. Apr 8, 2021 · For the time being : I gave a quick test with the OPA1612 / 1622 and 1656 ; I really enjoy the 1656 and 1612 both have a very linear response and abolutely dead silence between tracks even with my ears glued to the speakers. Audient ID14 MKII 10 In- 6 Out High Performance with Software Bundle. Amir's testing environment is known to be not so clean. SR is 15 V/µs. Jun 27, 2019 · [maty: OPA1612] But has an option to switch to a discrete opamp for voicing. Dec 8, 2016 · Good point with the pop thing when inserting the cans, but also worth adding the same pop noise when switching the gain adjust switch. The more expensive input buffer options do not increase measurements of the Purifi amp so I'm not willing to pay for them. The OPA1612 makes a great MC front end amp and line level amp when fed from volume lots of not more than 10k, but it will be 4-5 dB worse in MM applications than We would like to show you a description here but the site won’t allow us. 0 receiver. As you see, it is a generic box which is something you can easily build yourself. First of all I choose the configuration/position of V6 Classic and Vivid opas, to decide which one is better to my taste. 2. You don't see the car forums discussing $5k junkers. 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. Just from my own listening experiences in my local Hifi shop I have to say I agree with steve Gutenberg a lot on equipment. The volume control relay matrix, I am not sure how it works as hybrid but it reduce the numbers of relay and resister. now lets see and talk about my Audio Gears for testing V5i: with dual to mono adapter somehow I managed to install the 2 V5i Single inside the well known LD I+ hybrid tube amp. It doesn't help either that it's (most of the time) automatically assumed that a person on reddit (or any other forum/community) is male, whenever it's about anything technical or gaming related. I settled on the Sparkos SS3602 versus several others including the OPA1612, the classic audiophile favorite, OPA627, and Burson V6 Vivid. 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 Nov 21, 2022 · Forum Donor. • audio·phile: a person with love for, affinity towards or obsession with high-quality playback of sound and music. Hi! I'm currently working an USB Audio DAC with headphone amp. I appreciate your etiquette to suggest that subjective listening is part of thIngs… it at leasts seems like maybe it’s the end goal. Jul 29, 2023 · 6. But that does not say anything about the SQ. I know Reddit is really into objectivity, but to me Darko audio is the Goldilocks of audio reviews. This gave me a chance to Apr 17, 2021 · I got some information from China audiophile forum couple of years ago that Gustard plan to design a R2R DAC and announced R26 on 2022. *Distortion*: OPA1612A has lower THD+N (-130 dB) compared to OPA1612 (-120 dB). This is solely my take based on what I’ve read elsewhere with Reddit and Stereo Central (the parody forum). There are many good reviews on Youtube/Amazon, but also a decent amount of people says Soundcore headphones are absolute crap and that all/most Youtube reviews are paid/affiliate reviews (which is correct). High End Audio Discussion, Stereo System discussion, Home Theater System & Installation discussion, Best home stereo system discussion etc. I never really expected the response that opamps don't sound any different. Built-in Intel Altera MAX V CPLD, Pre-shaping Technology; Accusilicon AS318-B Series Professional Audiophile Crystal Oscillator Sep 14, 2021 · Preamp: Pure silver double solid-core hardwired on PCB DIY opamp preamp with gain (OPA1656) and buffer stage (OPA1656 or OPA1612) with the volume pot (TKD) in between. Even AD797 or OP627 cant hold a candle vs OPA1612 in terms of SQ - the difference is HUGE! My preamp sounds best with OPA1612 for gain and OPA2192 as buffer. If a circuit isn't designed for such a high bandwidth op-amp, then blinding replacing the op-amp with a faster one is asking for trouble. The input noise current is 1. 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. Soundstage and placement felt more solid. - Choice is not permanent and can be changed by the customer via internal jumpers at anytime. . Nov 5, 2021 · The OPA1612 differential input buffer is all you need. 3. I have them measured ln violectric v200 and gain stage of o2. Level of transparency and detail retrieval are better compared to stock OPA1612 and few others I tried from LME/AD/OPA series. 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. g. The manufacturers encourage opamp rolling. I use TPS7A4700 and TPS7A33 low noise DC to DC converters with 4 µV/16 µV noise. It has a really nice aluminum case but if I was buying an amp today I might hesitate to pay the $500 premium over VTV. Prior to the start of Headfonics Marcus was the admin of the Headphiles national audiophile forum from 2009 to 2012. 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 4, 2009 · 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). The right up OP is OPA1612 used to converter as single-end. OPA1611) and 4 resistors of the right value can reduce noise by 10dB over the IC balanced receivers and approach the complex circuit given by D. Jul 3, 2019 · Forum Donor. 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 © 2025 Stereophile AVTech Media Americas Inc. Several reference are used on forum. High End Audio & Sound systems forum. Thanks for humoring me with the dog food suggestion, lol. I can even try and use the almighty OPA1612 . Noise is roughly around 3-4nV. 6 Reddit Audio Engineering; 6. 8 Reddit Sound System; 7 Audiokarma; 8 DIY Audio; 9 Techtalk; 10 Home Theater Shack; 11; 12 Gearspace; 13 AudioCircle; 14 HydrogenAudio; 15 How to Make the Most Out of Audiophile Discussion Boards; 16 What are the Benefits of Joining an Audiophile Forum in Dec 28, 2018 · Just now, I retested with new opa1612 and opa2211. For audiophile listening we use headphones that focus on accurate sound reproduction. This is in accordance with what 3e Audio have mentioned in this forum (but the se units that have been mentioned by buyers here obviously came with the NE5532 in all three position, not just in the balancing circuit for RCA in. We focus on education, discussion, and sharing of entry and mid level separate & multi component audio systems. Apr 17, 2021 · The top side 4pcs OPA1612 are I/V converter and those 4pcs Rubycon YXJ 220uF25V are coupling caps on signal. I would recommend trying opa1612 for people who havnt had a thought about it. Mar 8, 2024 · AIYIMA's latest TPA3255 power amplifier has PFFB function and is equipped with 48v5a GAN power supply. Nov 24, 2018 · right, it's about half the price of opa1612, maybe cheaper, after test those chips I didn't back to bargain, maybe possible to get 1/3-1/4 price. ESD is built in opa1612. There are two major concerns. Dynamics felt better, bass felt more defined and the upper midrange seems to have more air. The Dec 15, 2019 · Most recently I rolled several op amps in the VTV buffer of my VTV Purifi stereo amp. From my own listening experience, Sonos Play:5s are capable of audiophile quality, with some assistance, but the smaller units are not. Ask a question; get advice. 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. Audiophile Style - Authentic, Informative, Hand Crafted By Real Humans ©2007-2025 Audiophile Style, LLC. Mar 16, 2025 · OPA2134 JFET-Input, OPA1642 JFET-Input, OPA1612 - Bipolar-Input came from the "audiophile" opamps, the burson and muse that get the best subjective reviews. I have no direct experience w. Features that would appeal to the audiophile crowd willing to spend an insane $60 on an op amp. ) Oct 22, 2024 · In my recent A70 review I covered a little bit of my history trying various Aiyima products and how they have the tendency to have some ‘zig/zag’ progress, adding some great ‘clean’ audiophile friendly features in one release but then in subsequent releases adding lots of extra supplementary features that are at best niche features on Feb 28, 2018 · On the PCB bord I can spot a MC74HC595A chip which is a 8-Bit Serial-Input/Serial or Parallel-Output Shift Register with Latched 3-State Outputs, a HEF4053B - Triple single-pole double-throw analog switch, couple of NJM2122 - ultra low noise dual operational amplifier and several NJM8065 - dual operational amplifier. That ALC is a nice and capable chip, but it's sound depends on implementation. NE5532 is a very good amplifier especially for the price ($0. Any chance you have some measurements of the OPA1612 compared to the Sparkos SS2590 for the regular dual mono? I was also curious how many of the SS2590 opamps are • audio·phile: a person with love for, affinity towards or obsession with high-quality playback of sound and music. Apr 15, 2024 · Disclaimer: FiiO provided the FiiO K9 AKM for this review at no cost. 00009-0. Sep 22, 2020 · • ES9038PRO SABRE audiophile DACs (140 dB of dynamic range) • 16 channel XLR outputs with OPA1612 HiFi Audio op-amps • Price: $9,600 X7: • ES9026PRO SABRE DACs (124 dB of dynamic range) • 16 channel XLR outputs • Price: $6,600 Feb 4, 2024 · 2. The little things, like speaker/sub placement and DSP, do indeed make a disproportionate difference to sound quality. It has a higher output current: About 60 mA. Oct 14, 2024 · I will quote AI on this when asked for the choice between OPA1656 and OPA1612 for the XLR: 1. Since 2007 they have been • audio·phile: a person with love for, affinity towards or obsession with high-quality playback of sound and music. Modded TPA3255 with modded Meanwell PSU. $2,399 online. First, the USB routing. Dec 28, 2018 · All the single chip balanced receiver chips have relatively high noise, THAT included. Oct 18, 2018 · Burson Playmate V6 Vivid & Classic vs OPA1612 Hi, In the recent past my Playmate is completed with two V6 Classic opas. 2 – The Journey of Life. Jul 4, 2009 · Marketing 101 by having one of the engineers on the diy threads because it creates interest (especially from spec crazy diy-ers who “need” the lastest and best specs and use “word of mouth” via the audiophile threads to push cost up by popular demand) They do outsource them to official distributors ie Mouser, Digi-Key but you have to buy them in bulk (we’re talking 100s to 1000s) and May 23, 2018 · The first and obvious conclusion: we must avoid the audiophile Burson Audio V5. The ModWright room featured a SOTA Cosmos Eclipse turntable ($10,500) with an SME V tonearm ($5500) and an Ortofon Dec 30, 2020 · XD-05 Plus: OPA1612 X8: LME47920 The X8 actually comes with a box of several. The distortion of the amp into 250mv 8 ohm load at 6500hz with opa1612 and opa2211 is 0. The Fosi V3, in comparison to my many other amps- is OK but certainly not anywhere near the top. ) Your measurements of the OPA1612 and the Sonic Imagery 990 were the same? The OPA1612 are not exactly "cheap" but not so expensive and those discrete opamps May 30, 2024 · The A5se, A5 and A7 Mono on the other hand are described as coming with OPA1656. Jan 10, 2016 · He talked to me about OPA1611's versus OPA134's as well as the OPA1612's versus OPA2134's. Staging and imaging are phenomenal. Mar 5, 2020 · Tried putting in opa1612 today. 4dB SINAD rating is beneath an A-weighted plot with -10dBV 1kHz peak; Schiit Mani 2 82dB SINAD rating is beneath unweighted plot with 0dBrA 1kHz peak Internet reviews and forum recommendations are shrinking the perceived "good" audio world down to a tiny fraction of what's really out there Internet reviews are a really good way to identify some of the best, most consistently good-value products in almost any hobby or field. I still post at Hoffman under an alias if I can’t find the answer elsewhere. Or just speak your mind. These sound great and outshine many of the other modern high performance audio opamps out there today. The xlr input and the trigger are two great additional features, as is the nice and efficient enclosure, however the mono is not true mono, and the 13 db of sinad lost is a bit disappointing, especially given a boost certainly not exceptional in power. Tested a lot of OP, including LME49720, OPA1612, OPA1642, MUSES8920 and MUSES8820. Using a suitable Op-Amp (e. Dec 7, 2023 · The audiophile in me wants a bigger box, better credentials, a name I can look at and say ‘hmmm nice!’. The 4 x OPA1612 in it right now sound ok. I hate such ugly clipping behavior(any real opamp of serious manufacturers have an ideal clipping without screeching) and one that fact is enough to me to consider that chip junk. And started looking more into headphones from Soundcore, as I have a pair of A40s from Soundcore which I'm pretty satisfied with. 3 under Dec 6, 2018 · Newer so-called audiophile op-amps have a higher bandwidth, than the traditional ones, so are more sensitive to board layout and can easily oscillate. Finally, using the same OpAmp type throughout is convenient and cost-effective in mass production (the 1611 will actually be 1/2 1612 in most implementations, and in a true precision application the OPA1612's will be OPA2211's -- same chip but selected for better offset ratings). Sep 3, 2021 · I/V Stage: TI OPA1612 x2; LPF Stage: TI OPA1612 x2; Buffer Stage: RT6863D x3; Ultralow Noise LDOs. I've seen mention of these on various threads in this and other forums. Jun 20, 2023 · The original OPA1612, the Sonic Imagery 990 ENH and the Sparkos SS2590 (which are different to the other Sparkos people buy for this Fosi or Aiyima amps. As always, the article reflects my unbiased opinion. As I use a USB-C connector (top layer, upper left corner), I'm not sure if I get away with how I've connected the two pairs of D+/D-. So it goes with the true audiophile. Mar 27, 2023 · - Buckeye buffer stage (OPA1612 OP Amp), allowing for Low/Med/High gain settings via toggle switch on the rear. Use your ears to listen to music not as an analyzer. And we run at +-15V, so one really shouldn't put higher voltage in there. 5mm jack onto my board. Most importantly be the kind of audiophile who listens to music not your equipment. 5). Forums. That doesn't mean they all own Ferraris it just means that because they like cars they want to talk about what's good. Thank you May 21, 2023 · I found it to have better dynamics than the OPA1612, but not quite as dynamic as the MUSES01. HomeTheaterShack, avsforum, r/hometheater for forum sites to read user reviews and solicit advice, opinions, or assistance. My understand if noise isn’t a problem the opa1656 is great alternative to the opa1612. It's a 5532 replacement having performance more similar to the NE5534. Hi. Poweramps: Accuphase P-300. Part of the mod will be a change out of the opamps. 8k posts. Jul 4, 2009 · Here’s a great article comparing opa2156 CMO vs opa1612. I have an Xduoo XD-05 plus dac-amp and i'm planning on replacing the original opamp OPA1612 with a Burson V5i opamp to increase the sound quality for my headphones. People have a tendency to overestimate their hearing capabilities. 7 pA/rt Hz so it is 4x worse than the NE5532/4. But are you talking to the subjective forums and driving them to be more objective, or just this forum to be more subjective? Oct 2, 2021 · Those amplifiers and the topping d10s are incredibly bargains, and a perfect beginning for audiophile students and such. It also only uses two double op-amps. 1x ESS ES9311Q, 1. Mar 5, 2018 · I read on several forum the advantage to use specific AOP for the final stage of DAC or Amplifier. This process has been reversing for the last 20-30 years as the young get exposed to broader more grounded/technical information as well as the "subjective" audiophile due to changes like the web. But my old audiophile ears tell the truth after all these years and systems, so… maybe I’ll get a retro Yamaha and put the Fosi and its little tube partner inside!! Dec 11, 2019 · Recently I reviewed the Nord Three SE 1ET400A Dual Mono Stereo Amplifier. Tangent didn't mention AD826 and LT1364, which are my best choices. dxed pvji zms cse lklnps nrvmy ihqqv sqg edvr svhgru