Opa1612 review. Reactions: Ornette , ironhorse128 , rodtor and 1 other person Dec 7, 2023 · This is a review and detailed measurements of the VTV Purifi class-D amplifier with the optional Weiss OP2-BA Op-amp (buffer/input gain stage). Date : 2021-01-16. The device is specified from –40°C to • Rail-to-Rail Output +125°C. ti. 887 is the upgrade/optimized version of 789 887: opa1612 + opa564 + low noise optimization 887 has lower noise than 888 788 is opa1602 + ad8397 so it's very different from 789 789 is essentially "886" in a Feb 28, 2021 · The new breed of TI J-Fet opamps offer superior performance to that old soldier the OPA2134. Close to zero DC mv at its output would enable removal of the dreaded electrolytic coupling caps which will definitely lower colouration and improve sound quality. ADI 825 or any AD requires strict rules for it to operate in due to low PSRR. This configuration is best for use in setups with a source/DAC capable of higher pre-out voltages. com Reactions: Graham849 , GPJ , Overseas and 5 others Mar 18, 2024 · Lynn reviews the FiiO K9 AKM, which is a new flagship desktop AK4191EQ+AK4499EX USB-DAC and balanced THX headphone amplifier. It retails for $499 USD. Soundstage and placement felt more solid. Jan 10, 2016 · He talked to me about OPA1611's versus OPA134's as well as the OPA1612's versus OPA2134's. 6 mA per Channel package. 0 b6. It costs $849 USD from FiiO, directly. Texas Instruments OPA1612 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. They probably used the stock resistors values too, which are too low for the tl072 to work comfortably. May 15, 2022 · A forum thread where users discuss and compare different bipolar op-amps for audio applications. Disclaimer: FiiO provided the FiiO K9 AKM for this review at no cost. I use TPS7A4700 and TPS7A33 low noise DC to DC converters with 4 µV/16 µV noise. FiiO Company Jul 3, 2019 · FYI I'm about to order an Audiophonics HPA-S400ET with OPA1612 instead of OP275. It appears that the OPA1611/2 have a lower noise voltage, wider bandwidth and higher slew rate than the OPA134 and OPA2134's. 1% thin Jun 23, 2020 · 888: opa1612 + opa564 + flying supply flying supply adds headroom and voltage swing without exceeding the operation maximum of the opamps. 1 nV/√Hz noise density with an ultra-low distortion of 0. May 9, 2023 · Hello together, i want to put one of the mentioned OP Amps in my amp. I also refurbish large format recording consoles. 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. Oct 27, 2022 · It sounds different from the Drop Signature version (I have no idea how the V2 Signature sounds like), in that it's less laid-back, less outright warm, but yet maintains a palatable mid-to-high treble free from digititus common in the higher-end ESS + OPA1612 designs built purely to score well on SINAD graphs to the tenth of a decibel. Power is provided through 2 OPA1612 Sep 15, 2018 · This is a study of whether changing op-amps in a DAC makes a measurable difference. A few months ago I. Mar 14, 2010 · OPA1612 is fuller sounding - especially lower midrange but also more dynamic. Low output current would mean the transimpedance gain of the I/V circuit will be high, and the input current noise of the op amp will be a significant contributor. 0 MQA, Full Decoding OPA1612*5 op amps DSD512 768KHZ 32Bit,CD Decoder aoshida-audio. 3 V power supplies. 90 mm × 3. I don't care about listening tests or something else, just want to use the technical better one in my amp. I would recommend trying opa1612 for people who havnt had a thought about it. Feb 17, 2019 · SMSL DO200 MKII MQA Audio DAC ES9068AS*2 XMOS Bluetooth 5. - Choice is not permanent and can be changed by the customer via internal jumpers at anytime. If you're comfortable desoldering soic8 opamps, you can consider swapping opamps but I wouldn't suggest it. They said no problem, easy to work with and quick follow-up. That unit came with the Sonic Imagery's 990ENH discrete operational amplifier ("opamp") in the buffer stage (pre-amplifier). Mar 2, 2023 · [ September 5, 2024 ] Review: Vinnie Rossi BRAMA Combining TI’s low-noise OPA1612 with a passive RIAA network with 2% precision film capacitors and 0. It retails for $529. add a optional 12V connector (not populated) for some people that need for power LEDs,etc. I just reviewed the same amp but with SIL 994EnH-Ticha Pro buffer so you can compare them. Thanks in This review has been posted for OPA1612 Dual OPA DIP8 (Unit) Note : 5 / 5. Some users prefer OPA1612 for its sound quality, while others suggest MUSES8820 as the best option. 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. 1-nV/√ Hz noise density with an ultralow distortion of 0. As it is, if it measures worse than the eval1's buffer (fe02 iirc) which uses the Opa1612, is it because the buffer board is overall inferior or only the opamp? Sep 4, 2023 · In this article, we review FiiO’s latest all-in-one unit, the FiiO K9. This needs +/- 12 V and two 3. 1/USB OPT/Coaxial Jul 4, 2009 · OPA1612 otoh has the best sub bass performance I have heard. r/audiophile is a subreddit for the pursuit of quality audio reproduction of all forms, budgets, and sizes of speakers. In this article, we review the FiiO’s Flagship All-in-One device, the K9 Pro ESS. Disclaimer: This is a sample sent to us in OPA1611, OPA1612 www. May 18, 2023 · NFJさんのOPA1612がバージョンアップしてサーマルパット付になったので購入してみました。OPA1612はそこそこ熱くなるのでサーマルパット付が欲しいなと思っていたのです。Kitと言ってもハンダ付け8箇所するだけなので簡単です。 Find helpful customer reviews and review ratings for SMSL DO200 MQA DAC SMSL DO200 MQA DAC XU216 ES9068AS OPA1612 Balanced Decoder Bluetooth5. Pretty much a stock board with the stock NE5532 op amps, however I did install some slightly nicer DIP 8 sockets. All thoughts and experiences with the product are naturally my own. Dual customzied solution will give unmeasurable distortion (possibly -180db). Transparency got way better. So, it is a different design and chip. Feb 10, 2024 · Thanks Amir, I was just wondering why the review was taking so long. The new OPA1622 delivers lowest distortion and noise, high linear output current, and low power, enabling the highest performance for professional and portable audio applications. 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. 0" package. Apr 15, 2024 · In this article, we review FiiO’s revised all-in-one unit, the FiiO K9 AKM. Thank you The OPA1612-Q1 device is a dual, SoundPlus, bipolar-input operational amplifierthat achieves achieve very low 1. May 21, 2023 · It also emphasised bass more than the OPA1612, with perhaps a bit more lower midrange presence and slightly less upper midrange. These were wired to use USB input to the Swing from my laptop, the DAC (fixed voltage) RCA outputs of the Swing to the RCA inputs on the Fun, and the Hifiman He560, Sennheiser 800, and Campfire Cascade (with Cloth pads) used for all listening sessions. My statements were verified: - OPA1611/1612 are optimized for better distortion than the OPA211 (already pretty good). A comprehensive comparison between OPA1612 and OPA2156 (and other opamps) could be read here: https://quantasylum. Since 2007 they have been Products Precision op amps (Vos<1mV) INA1620 — High-fidelity audio operational amplifier with integrated thin-film resistors and EMI filtering OPA130 — Single, 1-MHz, 20-pA bias current, 530-µA power, FET operational amplifier OPA131 — Single, 4-MHz, 50-pA bias current, 750-µA power, FET operational amplifier OPA140 — Single-channel, 11-MHz, low-noise 36-V JFET precision operational Jun 14, 2021 · As for the OPA1612 themselves, those are regarded as warm, smooth and natural sounding, exactly what a super-linear silicon like ES9038 PRO really needs. Apr 21, 2019 · Sound: For purposes of these tests, I started out with a Burson Swing and Fun DAC and amplifier. - high levels of DC precision are generally not required by audio customers (audio equipment makers). Buck cap change to 1500uF/80V/Nichicon due to 1800uF/63V/Rubycon not able to purchase. Mar 27, 2023 · - Buckeye buffer stage (OPA1612 OP Amp), allowing for Low/Med/High gain settings via toggle switch on the rear. Introduction Mar 17, 2019 · For a DAC chip with a low output current, I would suggest op amps with FET type inputs, either JFETs or CMOS. 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. You should be able to find single-to-dual DIP8 adapters for mounting 2xAD797 on a DIP8 socket. • Wide Supply Range: ±2. The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. Aug 22, 2009 · I talked to a TI/B-B applications engineer today. Each channel has 4 outputs summoned, thus lowering the already really low noise by around -6 dB. 2 Review - Dali Spektor 2 Review - Triangle Borea BR03 Review - Schiit Mani 2 Review CracklingSound. 99 USD. Dec 28, 2018 · Would have been interesting to see how the TI Opa1612 would have performed as well in the custom buffer board. 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. FiiO is one of the most popular, audiophile-oriented companies in the world. May 19, 2017 · maybe modern production 3886 are all above average? the designs seem to take the 'typical' GBW spec as the effective minimum My guesstimate puts the safe with production variation margin local closed loop gain corner as low as 100kHz for LM3886 with a greater than 4:1 range designing for stable extra loop gain from the nice input op amp really doesn't give much 20 kHz added safe composite loop Feb 13, 2016 · Recently I reviewed the Nord Three SE 1ET400A Dual Mono Stereo Amplifier. I don't like the highs of OPA1612 though, they sound artificial to me. May 23, 2018 · Opa1656 and opa1612 without tweaking have better performance than almost any discrete solution. Transients are stronger, both rimshots of snare drum and big-band trumpets. Disclaimer: The FiiO K9 was provided by FiiO for this review, at no cost. 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 · 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). 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. OPA2209 does reproduce sub bass as deep or deeper than OPA1612 but the latter has a pretty significant presence in the sub bass region. Click to expand Well I actually did more extensive measurements in more applications. Frankly, this product has some points in favor but some against it. Pin can be left floating or connected to any voltage between (V–) and (V+). Jul 4, 2021 · This looks like a stock implementation of the pcm1794 datasheet output stage. tnt-audio. Another two OPA1612 with plenty of resistors around them are being used as VREF, offering an accurate temperature-compensated voltage value and a maximum current to the load. The owner then ordered a set of Sparkos Pro SS2590 discrete opamps. FiiO Nov 9, 2023 · Sony PS-LX310BT Review - Elac Debut 2. 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 Mar 22, 2022 · These are probably among the two highest of the best sounding dual opamps around today. Two cases were evalutated – in a Oct 25, 2018 · I've designed a headphone amplifier using OPA1612 as a gain stage and using OPA1622 as output buffers. The sub bass regions are more well pronounced with OPA1612. Oct 15, 2014 · Texas Instruments' OPA1612 (dual) bipolar-input operational amplifier achieves very low 1. Together, these apparently outperform theXplay3S TI's OPA1612 is industry's highest-performance dual-channel, bipolar-input audio amp for apps such as pro audio/broadcast studio equipment, microphone pre-am Sep 23, 2022 · For today's article, we review the new HiBy RS2 which is an entry-level R2R DAP featuring the company's proprietary Darwin architecture. It is on kind loan from a member and costs US $2,090. Excellent ampli OP Utilisés en remplacement des NE5532 dans le 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 OPA1611, OPA1612 www. 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. FiiO Company. com We would like to show you a description here but the site won’t allow us. Other Parts Discussed in Thread: OPA1612, OPA1642, RC4136 I use these amplifiers for pro audio. It is a little bit cleaner and perhaps because of that instruments are more defined in space. com/blogs/news/opa2156-hifi-in-cmos. Jean O. May 29, 2021 · Burson V5i-D, AD708SQ, stock (the preinstalled) OPA1612 Opamps vs Opamps: This is a review of the Burson Audio OPAMP that is being used in place of the B4-X OPAMP. com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon. Custom Input Buffer Board w/: • audio·phile: a person with love for, affinity towards or obsession with high-quality playback of sound and music. The OPA1612-Q1 device is available in a SOIC-8 3. I only covered the customs fees & taxes. 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. Nov 21, 2022 · Oppo BDP-95 => RCF DX 2006 => QSC RMX850 (Bass Amp), Parasound A21 (Mid Amp), First Watt J2 (Horn Amp) Electronics mounted in Middle Atlantic BRK20 rack Apr 10, 2019 · By newer I meantnewer, because OPA1612 is a newer design then let's say NE5532 or even LM4562. 91 mm Apr 6, 2020 · 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. Dynamics felt better, bass felt more defined and the upper midrange seems to have more air. 000015% at 1 kHz. 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). 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). Dec 15, 2015 · Texas Instruments (TI) introduced the newest addition to the company’s Burr-Brown Audio line, a next generation of the widely adopted OPA1612 audio operational amplifier (op amp). Just did an A/B with 2 opamp buffers on my Hypex NC500 monoblocks, which I normally use with no buffer, as the dac has enough gain to drive the NC500 modules direct. Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. Oct 20, 2020 · 7) DIYINHK ESS ES9016 DAC - $30 shipped - SOLD Bare DAC board with no power supplies based on the ES9016 chip. 25 V to ±18 V Device Information(1) 2 Applications PART NUMBER PACKAGE BODY SIZE (NOM) • Professional Audio Equipment OPA1612-Q1 SOIC (8) 4. Disclaimer: FiiO sent us the K9 Pro ESS for this review, free of charge. Go for the opa1612 given the choice. The OPA1612-Q1 device offers rail-to-rail output swing to within 600 mV with a 2-kΩ load, which increases headroom and maximizes dynamic range. com. This gave me a chance to Sep 17, 2023 · Tried putting in opa1612 today. Dec 7, 2023 · Input Opamp Change to OPA1556,this is due to part unified that we found it perform the same as OPA1612 in another project. I felt a great improvement overall. Currently, I require opamps in the DIP package. The OPA827 for example has superior load drive,much lower distortion and miniscule DC offset. as these can be unstable and go into oscillation. It is priced at $479. 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. Although, I have to think that all of our hard work achieving ultra low noise in phono preamps goes out the window as soon as the needle touches the vinyl, and circuit noise is swamped by mechanical noise in the system. Mar 17, 2019 · But for MC phono pre-amps a low noise bipolar input op amp like the OPA1612 would give the best noise performance. As always, the article reflects my unbiased opinion. The OPA1612 offers rail-to-rail output swing to within 600 mV with a 2 kΩ load, which increases headroom and maximizes dynamic range. Find helpful customer reviews and review ratings for SMSL DO200 MQA DAC SMSL DO200 MQA DAC XU216 ES9068AS OPA1612 Balanced Decoder Bluetooth5. 1/USB OPT/Coaxial Be the first to review “PAIR OPA1612 Opamp in DIP8 adapter for VTV Amplifier Custom Buffer” Cancel reply Sep 12, 2023 · So, we can look at things from a technical perspective: iOS is kinda like a lightweight macOS, in the sense that both operating systems are based on the same kernel, Darwin, and largely the same (low-level) userspace; this means that devices supported by macOS will likely be supported by iOS as well, as far as there is a mechanism to access those devices from the UI. rozcjcrvebhaupjbvngyxenyuxourhdtjlidofgwqrivxnqatenk