Opa1612 review Dec 24, 2024 · The xDuoo X20 features a ESS9018 K2M DAC, Bluetooth, a OPA1612 amplifier and native DSD256 support. Heard it all here with different LS and poweramps. It will cost US$169. 99. 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. Maybe Jul 4, 2009 · OPA1612 otoh has the best sub bass performance I have heard. Tried in this place OP275, OPA1612, OPA1642, OPA1656 and OPA828. 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've seen mention of these on various threads in this and other forums. *Slew Rate*: OPA1612A is slightly faster (25 V/μs) than OPA1612 (20 V/μs). Dual customized solution will give unmeasurable distortion (possibly -180db). 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 Nov 21, 2023 · It's been a about a year since I last reviewed a Topping product. The owner then ordered a set of Sparkos Pro SS2590 discrete opamps. It was sent to me by the company to be sold by Shenzhenaudio. Audio, Audio, Audio! Amplifiers, Phono preamp, and Analog Audio Review. NE5532 is a very good amplifier May 9, 2023 · Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. I am also sending you an OPA1612 SOIC mounted to a PDIP adapter. Click here to have your audio equipment LM4562). Apr 27, 2023 · i have read reviews on streamers for years as most of my music is digital on nas,, but carried on with my Cambridge audio v1 connected to rme dac fs. aoshida-audio. However these is something I can't explain so far. Oct 20, 2020 · Trying to declutter and am clearing out a bunch of DIY related things. OPA1612 is too weak for 10mA current. Recently, I have been doing a composite amplifier with tpa6120a2. Some users prefer OPA1612 for its sound quality, while others suggest Feb 11, 2021 · According to the TI datasheets OPA1612 has less noise than OPA1656. It's an awesome OpAmp! Words to describe this new sound: Velvety, smooth, non-fatiguing, open and wide soundstage. OPA2209 does reproduce sub bass as deep or deeper than OPA1612 but the latter has a pretty significant Mar 10, 2023 · The five op amps listened to were: OPA1612, MUSES8820, OPA1692, LME49723 and the NJM8801. OPA627 and OPA1612 at I/V stage and OPA1612 is clearly the best to my ears. It costs $849 USD from FiiO, directly. xDuoo is brand that gained worldwide reputation for their budget-priced music players and amps that offered premium specs, MORE: In-Ear Headphones Reviews. It's a VERY good bipolar junction opamp with incredible specs. This gave me a chance to compare the two in the same platform. 1-nV/√ Hz noise density with an ultralow distortion of 0. Apr 15, 2024 · In this review we take a look at the new $529 USD FiiO K9 AKM DAC & AMP with Bluetooth. Currently, I require opamps in the DIP package. Disclaimer: FiiO sent us the K9 Pro ESS for this review, free of charge. With our NCx builds, you have the ability to choose if you would like to use the onboard Hypex buffer stage, which would bypass the Low, Med, High gain switch(es) on our input board. I only covered the customs fees & taxes. Also the stereotypical ESS9018+OPA1612 engineers don't bother upgrading the filter cuz it already looks good enough for 1kHz measurements. 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). I felt a great improvement overall. 3. xDuoo X20 Review Tests & Scores. more specific, the Standard Edition is supposed to have the OPA1642 while the Master Edition the OPA1612. November 2024 update, all prices lowered. OPA1612 can easily supply 30mA so loads above 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 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. , or OPA1612+power transistor. Disclaimer: I purchased the SparkOS Opamps at a reduced rate after speaking with Andrew about doing a Jun 1, 2024 · In addition to that, I did not read any reviews or watch videos about the FX AUDIO R07Plus, all these thoughts and opinions are my own and I’m going in blind here. Audio, Audio, Audio! DACs, Streamers, Servers, Players, Audio Interface. 🙂 May 20, 2023 · 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. Full Decoding OPA1612*5 op amps DSD512 768KHZ 32Bit,CD Decoder. 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, Oct 19, 2023 · - the dual OpAmp OPA1612 does the buffering for both channels separately with a capacitor between output and Gnd to bring down the impedance for high frequencies (this is in principal risky (capacitive loading of the OpAmp), but when the cap is large enough, the cap will bring the loop-gain down far enough and the circuit will not oscillate. Oct 25, 2018 · I've decided to change the gain opamp to the venerable OPA1612. Feb 6, 2018 · OK, I'm going to send you an lme49720, but I also found some more that I forgot I had. This opamp is not a perfect choice for that task. I used and tested the FX AUDIO R07Plus with the Aug 22, 2009 · I talked to a TI/B-B applications engineer today. So would the OPA1612 be better in Dec 28, 2018 · Hi everyone. Excellent ampli OP Utilisés en remplacement des NE5532 dans le kit préamplificateur Velleman K 8084, ils donnent d'excellents résulttats : plus de transparence et moins de buit de fond. Dec 7, 2023 · There are many reviews of audio hardware and expert members to help answer your questions. Feb 4, 2023 · There are many reviews of audio hardware and expert members to help answer your questions. 000. The last was the D10s (reviewed here) which was forgettable - that is I actually don't remember anything about it. I would like to see these parts offered in a DIP package to replace the OPA2134PA. Audio, Audio, Audio! The top side 4pcs OPA1612 are I/V converter and those 4pcs Rubycon YXJ 220uF25V are coupling caps on signal. SEE ALSO: DAP/DAC Reviews . 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. Très recommandé. The op-amp was sent by Carlos from Burson Audio, so I’d like to give him and Burson Audio a thousand Mar 27, 2023 · Updated the gain settings. - high levels of DC precision are generally not required by audio customers (audio equipment makers). May be 828 will be better, but i have to do some thing in the board to extract best of it. That unit came with the Sonic Imagery's 990ENH discrete operational amplifier ("opamp") in the buffer stage (pre-amplifier). If changing the opamp to this one doesn't make a difference, nothing will. But that does not say anything about the SQ. I don't care about listening tests or something else, just want to use May 23, 2018 · Opa1656 and opa1612 without tweaking have better performance than almost any discrete solution. *Distortion*: OPA1612A has lower THD+N (-130 dB) compared to OPA1612 (-120 dB). OPA1612 sounds better than any transistor preamp I've Aug 22, 2009 · I just noticed today on the TI web site that the OPA1611 (single) and OPA1612 are finally reality. Feb 17, 2019 · There are many reviews of audio hardware and expert members to help answer your questions. Nov 30, 2021 · There are many reviews of audio hardware and expert members to help answer your questions. Feb 11, 2021 · Used OPA1656 in I/V of PCM1792 in dual mono configuration. Click here to have your audio equipment measured for free! Forums. Best SQ have with 1656. All thoughts and experiences with the product are naturally my own. Despite my opinion even the owners of the mentioned preamps have clearly stated that. 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. So, it is a different design and chip. Or, why not, a composite opamp, OPA1612+. Get any OPA1612 or 1656 @ fair price for great performance, safe value ! Jul 3, 2019 · FYI I'm about to order an Audiophonics HPA-S400ET with OPA1612 instead of OP275. Transparency got way better. I really like the slick look of SU-6 with its white LED: Yes, you can adjust the brightness level (I think there are Mar 18, 2024 · Lynn reviews the FiiO K9 AKM, which is a new flagship desktop AK4191EQ+AK4499EX USB-DAC and balanced THX headphone amplifier. This opamp could drive 350 ohm better than OPA1612. Apr 21, 2019 · Review Tracks; Contact Me; Components. 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. I also refurbish large format recording consoles. Soundstage and placement felt more solid. It's a great chip and i have had pretty good result so far. R. The OPA1612 Feb 28, 2021 · 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. 000015% at 1 kHz. After reading many reviews, many had changed the sound dramatically by swapping out the OPAMPs, Jun 13, 2021 · 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. I have had a chance to measure the Mar 2, 2023 · Combining TI’s low-noise OPA1612 with a passive RIAA network with 2% precision film capacitors and 0. . In final have to say, that OPA1656 is best of the best in I/V for me to now. The resistance from the I/V converter is only 350 ohm. rodtor If you find a review, it could be for an OP275 buffer (they changed the build spec to LM4562 just 2 days ago). My statements were verified: - OPA1611/1612 are optimized for better distortion than the OPA211 (already pretty good). ES9038PRO implementation in current mode for the K9 Pro ESS, along with 8 Dec 22, 2024 · Other Parts Discussed in Thread: OPA1612, OPA1642, RC4136 I use these amplifiers for pro audio. Thank you This review has been posted for OPA1612 Dual OPA DIP8 (Unit) Note : 5 / 5. Two cases were evalutated – in a 3 days ago · In this article, we review the FiiO’s Flagship All-in-One device, the K9 Pro ESS. May 15, 2022 · A forum thread where users discuss and compare different bipolar op-amps for audio applications. Dynamics felt better, bass felt more defined and the upper midrange seems to have more air. I would recommend trying opa1612 for people who havnt had a thought about it. then a perreaux amplifier Amplifiers). Reactions: Ornette, ironhorse128, rodtor and 1 other person. com Feb 11, 2021 · My preamp sounds best with OPA1612 for gain and OPA2192 as buffer. AF Apr 17, 2021 · There are many reviews of audio hardware and expert members to help answer your questions. The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. And this preamp sounds MUCH better than Audio Research, Burmester and Accuphase preamps costing above €10. SparkOS Discrete Opamps April 21, 2019 wiljen 9286 Views. Feb 13, 2016 · Recently I reviewed the Nord Three SE 1ET400A Dual Mono Stereo Amplifier. Or you Feb 4, 2024 · 2. Omg. Feb 13, 2016 · This is a review and detailed measurements of the SMSL SU-6 stereo Bluetooth and USB DAC. For the future M500, M500MK4, I would like to see OPA1656 instead of OPA1612. It is a little bigger than a standard op-amp because of the adapter, so be careful when fitting it. Date : 2021-01-16. 1% thin-film resistors in a DC-coupled topology, with advanced dual-filtered power supply and +/-16V rails, as well as switchable 1- or 2-pole passive LF filter, provides exceptional transparency and accuracy, as well as high overload margin, in an May 29, 2021 · 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. Thought I'd just get a calm, subdued sound. All five op amps have more than half the noise compared to the NJM4560. They said no problem, easy to work with and quick follow-up. The OPA1612A is considered a "drop-in" replacement for Sep 17, 2023 · Tried putting in opa1612 today. 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. It accepts multichannel I2S and will buffer / reclock input data using oscillators on the McDual XO. 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. Audio, Audio, Audio! It's OPA1612 (1pc) + Nov 23, 2023 · 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. Jean O. sfd plvj josqfy acpe mmqj bgtjwn dgenevmp vvdmvc emjj pfki