Opa1612 review. I felt a great improvement overall.
- Opa1612 review The xDuoo X20 features include advanced options such as: USB DAC: USB DAC with support for PCM 32bit/384kHz and DSD256 decoding – can be connected as an external USB DAC on Windows and Mac For a DAC chip with a low output current, I would suggest op amps with FET type inputs, either JFETs or CMOS. Joined Jan 1, 2019 Messages 5,381 Likes 11,760 Lynn reviews the FiiO K9 AKM, which is a new flagship desktop AK4191EQ+AK4499EX USB-DAC and balanced THX headphone amplifier. Click here to have your audio However they measure and perform worse than SOTA audio ICs like lme49720, opa1612, opa1656 etc. Audio, Audio, Audio! DIY Audio Forum . NE5532 is a very good amplifier especially for the price ($0. The OPA1612A is considered a "drop-in" replacement for I just noticed today on the TI web site that the OPA1611 (single) and OPA1612 are finally reality. Get any OPA1612 or 1656 @ fair price for great performance, safe value ! 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). It is priced at $479. It was sent to me by the company to be sold by Shenzhenaudio. it was selected in most of Chinese Dacs like smsl and topping . JoeSVK Member. The distortion of the amp into 250mv 8 ohm load at 6500hz with opa1612 and opa2211 is 0. When it I have interested in low ESR Electrolytic Capacitors to power the Opa1612. Aside from the aforementioned Go-DAPs, my tests involve using the Ultrasone Edition 8's , Unique Melody Merlin's, and V-Moda M-80's. 000015% at 1 kHz. . aiyima. Currently, I require opamps in the DIP package. I use these amplifiers for pro audio. rodtor If you find a review, it could be for an OP275 buffer (they changed the build spec to LM4562 just 2 days ago). I felt a great improvement overall. Each channel has 4 outputs summoned, thus lowering the Other Parts Discussed in Thread: OPA1612, OPA1642, RC4136. My test was on quad speakers setup. 00009-0. jpeg. Category: Buffer Board & Discrete OpAmps. As expected, it shares the same design as the SO200 (headphone amplifier) and the AO200 (integrated amplifier) allowing the final user to create a full setup, able to power both your This is a review and detailed measurements of the Fosi Audio ZA3 stereo amplifier with balanced XLR inputs. There are many reviews of audio hardware and expert members to help answer your questions. Disclaimer: FiiO sent us the K9 Pro ESS for this review, free of charge. I've seen mention of these on various threads in this and other forums. Member. Add to cart. I now wonder if they made 2 versions? One for the early test/ review samples using the OPA8282 (or similar), and then the low ball OPA1612 for us, you know the paying plebs. by amb » January 27th, 2024, 10:37 pm . Opa1612 Everything went very well, and products of excellent quality! They are professionals! Thank you! Audiophonics! (0) (0) This review has been posted for OPA1612 Dual OPA DIP8 (Unit) Note : 5 / 5. 6 mA but I know I’m in the Op amp thread so I don’t want to take the thread off topic. Audio, Audio, Audio! The OPA1612 is more robust against EMI than the LME49720. Introduction The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. Maybe it's too soon for anyone to have obtained and evaluated samples, but -- well -- has anyone yet? They are supposed to There are many reviews of audio hardware and expert members to help answer your questions. In the amplifying circuitry, the OPA1652 runs on current amping mode to There are many reviews of audio hardware and expert members to help answer your questions. 00026%(they are pretty much the same chip) but when I measured with opa2156 I get 0. C. Click here to have your audio equipment OPA1656, LM4562). Custom Input Buffer Board w/: There are many reviews of audio hardware and expert members to help answer your questions. The output section is then handled by an OPA1612 which gives the SU-6 a diminishingly low THD of 120dB. Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. In this article, we review the FiiO’s Flagship All-in-One device, the K9 Pro ESS. I settled on the Sparkos SS3602 versus several others including the OPA1612, the classic audiophile favorite, OPA627, and Burson V6 Vivid. Audio, Audio, Audio! DACs, Streamers, Servers, Players, Audio Interface. I should have done my research a bit better because because I overlooked OPA1612 which is purported to have superior performance compared to LM4562. New posts Latest activity. I only covered the customs fees & taxes. 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. Today's review covers the SMSL SU-6 desktop ES9038Q2M DAC featuring Bluetooth 5. They said no problem, easy to work with and quick follow-up. common mode voltage that I've measured on any op amp. The amplifier has really dressed up from However I have managed to secure the original Muses 8820 & the OPA1612 on loan from VentureCraft and this review is specifically about these two models. This amplifier is designed for audiophiles who appreciate both form and function in their audio equipment. However, I won't swap to an OPA1612 because I am sufficiently Hello together, i want to put one of the mentioned OP Amps in my amp. 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 My Video Review: While SMSL Audio always resonated with affordable audio that anybody could enjoy without wandering into the four-figure territory, a time came in trying a slice of that fat and delicious pie that’s called High-End Audio. I would like to see these parts offered in a DIP package to replace the OPA2134PA. This configuration is best for use in setups with a source/DAC capable of higher pre-out voltages. 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. Best SQ have with 1656. Thread starter orchardaudio; Start date Jul 30, 2021; 1; 2; Next. However it was apparent that the OPA1612 noise performance was not met in the CD753, probably in part because of the CD753s external to the op amp feedback resistor and this adds noise (see OPA1612 datasheet). The OPA1612 has lower noise and distortion than OPA1656. Objective Guide to Op-Amp Rolling - Part 1. I found it to have better dynamics than the OPA1612, but not quite as dynamic as the MUSES01. Purifi 1ET6525SA Power Specs: 230w into 8ohm 450w into 4ohm 510w into 2ohm Custom Input Buffer Board w/: - Neutrik XLR connectors - 5-way gold plated binding posts - OPA1612 OP Amp - TI TPS7A30/49 Voltage Regulators - Low, Med, High Gain settings - Clipping Indication (via Front Power LED) - From 7 up to 12 channels of Purifi 1ET400A amps, LT3045/LT3094 regulators, OPA1612 or Sonic Imagery Reviews. I really like the slick look of SU-6 with its white LED: Yes, you can adjust the brightness level (I think there are FYI I'm about to order an Audiophonics HPA-S400ET with OPA1612 instead of OP275. the table that i am seeing on headphone or DAC reviews. It will cost US$169. Most recently I rolled several op amps in the VTV buffer of my VTV Purifi stereo amp. 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. I preferred the Sparkos for having the smoothest and most natural treble without loss of detail. Buck cap change to 1500uF/80V/Nichicon due to 1800uF/63V/Rubycon not able to purchase. Two OPA1612 chips handle low-pass filtering, two OPA1602 chips act as buffers, and the volume IC is the NJU72315. Let's find all about it, now on Headfonia! T-Shirt Shop US; T-Shirt Shop EU; The amplification stage consists of 7 pieces of critically acclaimed OPA1612. Audio, Audio, Audio! The DL200 with its OPAMPS OPA1612 for the audio output circuit does not have the same 'sound' as the PS200 with its OPA1656 OPAMPS. 1 of 2 There are many reviews of audio hardware and expert members to help answer your questions. 99. 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 There are many reviews of audio hardware and expert members to help answer your questions. add a optional 12V connector (not populated) for some people that need for power LEDs,etc. SparkOS Discrete Opamps April 21, 2019 wiljen 9284 Views. Can you explain me if you can? Thanks! M. The Aurora features a class A amp, which is the main selling point of this device, in my opinion SMSL opted for the ESS Sabre ES9039MSPRO DAC chip, which was announced last year. May be 828 will be better, but i have to do some thing in the board to extract best of it. If you’ve read my D30 review, you’ll remember that the D30 had a truly impressive DAC stage, Loxjie uses four pieces of Texas Instruments’ OPA1612, an operational amplifier chip that is critically acclaimed by industry giants. THD+, Crosstalk etc. Might that account for the disparity in reviews/ versus real world experiences? PMA - great review with extensive testing. Donations. I am also sending you an OPA1612 SOIC I bought the VTV buffers with Sparkos SS3602 op amps. Joined Feb 22, 2022 Messages 32 For today's article, we review the new HiBy RS2 which is an entry-level R2R DAP featuring the company's proprietary Darwin architecture. opa1612 opa1656($3) have thd performance better than -140db. Forums. November 2024 update, all prices lowered. Be the first to review “PAIR OPA1612 Opamp in DIP8 adapter for VTV Amplifier Custom Buffer” Cancel reply. Extensive listening test showed me that the best sounding result was with the lm4562. Audio, Audio, Audio! Are there the OPA1612 in SMSL D6? Thread starter AudioFans; Start date Jan 14, 2023; A. 2020-01-05 11:42 pm #17 2020 OK, I'm going to send you an lme49720, but I also found some more that I forgot I had. Any chance you have some measurements of the An OPA1612 has slightly better specs than an LM4562---less noise and distortion, faster, and more output voltage swing. It's a VERY good bipolar junction opamp with incredible specs. Click here to have your audio equipment measured for free There seems to be so much chatter about the OPA1612, There are many reviews of audio hardware and expert members to help answer your questions. 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. Super stoked to put those bad boys in as I’ve heard nothing but great things about those op amps. Two cases were evalutated – in a In this review we take a look at the new $529 USD FiiO K9 AKM DAC & AMP with Bluetooth. Jan In this review we take a look at the new $499 USD FiiO K9 DAC & AMP with Bluetooth. I tried multiple desktop and portable devices of xDuoo and up to this point, The stock OPA1612 op-amps are Opa1612 is one of an op amp with reasonable price so far I used . Thanks in Tubey, better late than never - I just replaced all NE5532 amps in Benchmark DAC1 with OPA1612 and play it so far for few hours. Tried in this place OP275, OPA1612, OPA1642, OPA1656 and OPA828. The new Loxjie D40 is a highly advanced device. New posts Search forums. Everything changed when SMSL revealed their VMV line a few years ago, inspiring all other DAC makers 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). I use it in two devices. Date : 2021-02-20. What's new. Also the stereotypical ESS9018+OPA1612 engineers don't bother Burson V5i-D, AD708SQ, stock (the preinstalled) OPA1612 Opamps vs Opamps: Stock Xduoo's OPA1612 vs AD708SQ vs Burson V5i-D: Stock opamps are sounding like you hear music from a room next door. I would recommend trying opa1612 for people who havnt had a thought about it. I've designed a headphone amplifier using OPA1612 as a gain stage and using OPA1622 as output buffers. Recently I reviewed the Nord Three SE 1ET400A Dual Mono Stereo Amplifier. Just now, I retested with new opa1612 and opa2211. Audio, Audio, Audio! (I currently use OPA1612 but will try There are many reviews of audio hardware and expert members to help answer your questions. Joined 2018. Audio, Audio, Audio! A comprehensive comparison between OPA1612 and OPA2156 (and other opamps) could be read here: https: Used OPA1656 in I/V of PCM1792 in dual mono configuration. It has the most stable input capacitance vs. Thank you This review has been posted for OPA1612 Dual OPA DIP8 (Unit) Note : 5 / 5. 3. The The V5i has slightly more girth than the stock OPA1612 that came in the XD-05. Joined Nov 21, 2022 Messages 19 Likes 3. All thoughts and experiences with PAIR OPA1612 Opamp in DIP8 adapter for VTV Amplifier Custom Buffer quantity. Find out all about its performance, now on Headfonia! T-Shirt Shop US; On the amplifier side, the K9 AKM features two THX AAA 788+ modules along with OPA1612 and OPA1602 operational amplifiers, similar to the rest of the K9 series, The OPA1641 would be slightly better. This gave me a chance to Review Tracks; Contact Me; Components. Matias Master Contributor. Florin M. 🙂 - Buckeye buffer stage (OPA1612 OP Amp), allowing for Low/Med/High gain settings via toggle switch on the rear. Disclaimer: ShenzhenAudio sent us the SU-6 & the SH-6 for this review, free of charge. The K9 AKM’s PCB features a partitioned layout, effectively isolating the power supply, signals, and analog signal loop. 8 KB There are many reviews of audio hardware and expert members to help answer your questions. I have a Muses 8820 and 8920 that came with my sound card, so I'll put them in as well. On some of the newr parts TI has released measurements of the EMI immunity, Review and Measurements of New JDS Labs Atom Headphone Amp. Part of its “GOOD TIMES” range, the R07Plus stands out with its vertical design and robust internal architecture, featuring the OPA1612 operational amplifiers for ultra-low noise and distortion. 0001% less than a half distortion at 6500hz (maybe even lower because that's about the limit of my measurement rig). On top of the “usual” 32 bit / 768 kHz PCM and DSD512 support, it also supports MQA. ChristianThomas. - Choice is not permanent and can be changed by the customer via internal jumpers at anytime. 540B1536-57EA-4D11-A9B2-BD108CBD6A76. I'm not necessarily advocating the Sparkos. Re: OPA1656 instead of OPA1612. Audio TPA3255+NE5532Replaceable operational amplifier chips: RT3609SM, OPA2604, OPA2134, LM4562, JRC5532, OP275GSZ, OPA1612, MUSES01/02/03 www. Find out all about its performance, now on Headfonia! T-Shirt Shop US; similar to the K9 Pro ESS, and includes OPA1612 and OPA1602 op-amps. 1% thin-film resistors in a DC-coupled topology, with advanced dual-filtered power supply and +/-16V rails, as well as That's exactly where every DAC chip engineers were stuck at, doing a longer filter takes more computing power than what they can fit in the chip and budget. It supports up to eight channels, which means you can actually have a truly balanced setup with a single chip. I’ll also add that all the op amps that I mentioned are wayyyy cheaper than the AD797 30 bucks so you can op amp roll and experiment with more variety to see if one fits your In this article we review the $520 USD DA-ART Aurora DAC & AMP from Yulong. Click here to have your audio equipment measured for free opa1612, lm4562 and opa1642. 1) Ian Canada McFIFO / McDual XO - $150 shipped Originally purchased for use as a clock buffer for a miniSHARC based 8 channel DSP AES output project. Its not unheard off sending the "White Glove" version to the reviewers. Old op-amps such as the LF412 and TL072 are more than good enough for 99% of audio applications. 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). Atanasi Addicted to Fun and Learning. The SMSL DO200 is a desktop DAC embedding a dual set of ESS Sabre ES9068AS, full MQA decoding, an extensive I/O, and a full set of features, it’s a K-I-L-L-E-R. The connection is managed by a latest-gen XMOS XU-316, while eleven TI Should I expect any improvement from the OPA1612? Thanks. Now, these (the black 4-pin chips between the red things) FiiO K9 AKM Review. AF Advanced Features. Click here to have your audio equipment measured for free! Forums. SMSL DO200. Thank you I just ordered the opa1612 to put in the lpf of my Zishan ak4497eq. I swapped these for several different op amps including OPA1612, Burson V6 Vivid, and OPA627. It is less fatiguing than the MUSES01 however, Penon Pyramid Review 1. The owner then ordered a set of Sparkos Pro SS2590 discrete opamps. This is a review and detailed measurements of the SMSL SU-6 stereo Bluetooth and USB DAC. That unit came with the Sonic Imagery's 990ENH discrete operational amplifier ("opamp") in the buffer stage (pre-amplifier). I was not expecting much from the OPA1612 as the gain specifications are not compatible but from fitting it produced a listenable sound. Disclaimer: I purchased the SparkOS Opamps at a reduced rate after speaking with Andrew about doing a comparison of the SparkOS vs the Burson v5i and V6 Classic and Vivid as well as several solid state Op-amps in my collection. com Click to expand There are many reviews of audio hardware and expert members to help answer your questions. Forum Donor. This is my mini-review of Burson Audio Supreme Sound V5i op amp. Reactions: Ornette, ironhorse128, rodtor and 1 other person. I know Topping gear has next to zero interest here, but I think it's important to take the pulse of things Topping every now-and-then to see how far they have progressed. I don't care about listening tests or something else, just want to use the technical better one in my amp. 1-nV/√ Hz noise density with an ultralow distortion of 0. Tried putting in opa1612 today. Soundstage and placement felt more solid. VintageFlanker's Review Index. Is the OPA1612 good enough to feed into an external amp? It's in the Fiio K3s OPA1612 is fuller sounding - especially lower midrange but also more dynamic. Audio, Audio, Audio! The top side 4pcs OPA1612 are I/V converter and those 4pcs Rubycon YXJ 220uF25V are coupling caps on signal. This review consists of 3 pages. It accepts multichannel I2S and will buffer / reclock input data using oscillators on the McDual XO. Transparency got way better. 5). They respectively cost $169 USD and $119 USD. Without my Pre tube EQ equipped . The OPA1612 is one of the best I’ve ever encountered, the LME 49720 are hard to beat at any price. The last was the D10s (reviewed here) which was forgettable - that is I actually don't remember anything about it. 0 LDAC and up to DSD512 decoding. Mark Tillotson. September 30, 2024. If we are concerned specifically with op amps as current to voltage stages in CD players, one also needs to review data sheets to see how much offset DAC's have at their output. i have read reviews on streamers for years as most of my music is digital on nas,, Amplifiers). I also refurbish large format recording consoles. etc. *Distortion*: OPA1612A has lower THD+N (-130 dB) compared to OPA1612 (-120 dB). It is on kind loan from a member and costs US $2,090. Dynamics felt better, bass felt more defined and the upper midrange seems to have more air. a bit digital, dynamic and average sound stage. Audio, Audio, Audio! The OPA1612 is a really good OpAmp - I would be wondering if there would be a measureable difference - not to talk about this being audible. Review Index. 285. My main attraction to them is a higher ripple current in the AC to “ power” the board onward as the opa1612 only requires low quiescent current of 3. If changing the opamp to this one doesn't make a difference, nothing will. more specific, the Standard Edition is supposed to have the OPA1642 while the Master Edition the OPA1612. Op amps do differ in their distortion profiles. Just replace the original op-amp with one with a similar specification, if it's not possible to find an exact replacement. It was sent to me by the company and costs US $149. It costs $849 USD from FiiO, directly. Audio, Audio, Audio! It's OPA1612 (1pc) + BUF634A (4pcs) powered up by TPS65131 . Transients are stronger, both rimshots of snare drum and big-band trumpets. Attachments. The OPA1612 comes in a SOIC-8 package, and the NJM2068D is old-school DIL package, so I first used a small PCB to convert it to DIL. it provides a clean and clinical sound signature . Joined Jan 8, 2019 Messages 723 Likes Input Opamp Change to OPA1556,this is due to part unified that we found it perform the same as OPA1612 in another project. I brought the preamp with the OP1656s outside from my bedroom to the living room for a test run on the DAC, AV receiver and larger speakers. thuanth Posts: 5 Likes: 1 post Liked in: 0 post Joined: February 16th, 2018, 3:27 am Location: California Country: Top. All thoughts and experiences with the product are naturally my own. 2. *Slew Rate*: OPA1612A is slightly faster (25 V/μs) than OPA1612 (20 V/μs). Additionally, the K9 isolates its audio and power stages to minimize noise along the signal path. A. 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. Would have been interesting to see how the TI Trying to declutter and am clearing out a bunch of DIY related things. Penon Pyramid Review. OPA1612 is fuller sounding - especially lower midrange but also more dynamic. The OPA1612 is used by Topping/SMSL and I believe Gustard is using it too and also in the Latest Topping Preamp A forum thread where users discuss and compare different bipolar op-amps for I should have done my research a bit better because because I overlooked OPA1612 which is purported to have superior performance compared to LM4562. 99 with 48 volt power supply. First is my Matrix M-stage HPA-1 desktop amp using Tidal HiFi into a Schiit Bifrost Uber. Like it’s bigger siblings, it fully supports ultra High In this article, we review the SMSL SU-6 DAC & the SMSL SH-6 AMP. Reviews There are no reviews yet. Reactions: Euphonic_employee, Xulonn, Speedskater and 5 others. In final have to say, that OPA1656 is best of the best in I/V for me to now. Audio, Audio, Audio! Problem is, i don't buy into the discrete opamps anymore. Thought I'd just get a calm, subdued sound. If you like, In this review, we take a close look The SMSL SU-8s is a mid-range DAC embedding the ES9068AS chip from ESS and OPA1612 Op-Amps from Texas Instruments. "OPA1612 is Combining TI’s low-noise OPA1612 with a passive RIAA network with 2% precision film capacitors and 0. Isn't the OPA627 a single channel opamp vs the OPA1612 is dual (so you would need two 627s per OEM opamp replacement)? J. Overall, don't recommend opamp rolling. The SNR is higher In this review, we take a close look at the SMSL DO200 MKII, a new version of the famous desktop DAC, The SMSL SU-8s is a mid-range DAC embedding the ES9068AS chip from ESS and OPA1612 Op-Amps from Texas This website and YouTube channel sprinkled with life thanks to an xDuoo TA-20 review that started it all. Newk Tried putting in opa1612 today. Audio Full Decoding OPA1612*5 op amps DSD512 There are many reviews of audio hardware and expert members to help answer your questions. I've decided to change the gain opamp to the venerable OPA1612. R. AudioFans Member. ES9038PRO implementation in current mode for the K9 Pro ESS, along with 8 active parallel outputs with a set of 8 TI OPA1612 opamps for I/V and a built-in linear PSU. It's been a about a year since I last reviewed a Topping product. nzu wxdeidw uedco ofubx vnpm hmamt oyid bzar voif jvoaq