Opa1656 vs sparkos reddit. The owner then ordered a set of Sparkos Pro SS2590 discrete opamps. 1F X7R on the backside with the shortest possible lead length. PRODUCTION DATA. Op amps are super cheap. I prefered the sound of my DAC with the OPA1656's hands down even over the discrete op-amps. CMRR is not a big issue. Already, I found the new AKM DAC and SS3602 to deliver much improved dynamics and greater soundstage depth than the previous configuration, both of which being immediately noticeable. Mar 17, 2019 · About OPA1656 DC output offset: depending on gain, a low level circuit with the OPA1656 can show a few mV as output offset. consists of 2 x 10 op-amps in parallel and the two 10s are balance connected. Hi Team, My customer wants to All of Sparkos Labs discrete op amps are based on Lin 3 Stage topology consisting of an input stage differential pair, a gain (VAS) stage, and an output stage all biased in class A mode with two pole compensation. I'm just not sure if they'd fit under the AE-9's shield. Download. But I would still like to see the OPA1656 tested. The op amp offers a temperature range of -40°C to +125°C and is available in an 8-pin SOIC package. Outforce)℗ 2022 Gbx Recordings L 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 . SparkOS is an AOSP based rom with customizations, mainly focused on stability and most of all smoothness. Dec 9, 2019 · Technically speaking, it's really hard to beat opamps like AD797, AD8599, OPA1612, OPA1656, so it might be safer to use one of these over the "exotic" ones, unless swapping opamps is really fun for you and you have enough money to spend on this hobby. These would be #3 but the staging is too close for my preference compared to the more accurate Vivids. I had no oscillations or instability with the OPA1656. It was the SS2590 that had peaked my interest, for a new op-amp review. The WA2 is a modern classic. Nov 28, 2023 · Maybe he got them to send him the new aluminum case for the Archel 3 Pro. Nov 30, 2021 · OPA2134: OPA2134 VS OPA1656. Part #: OPA1656. The low voltage noise combined with the low current noise make this device great for low and high impedance applications such as a high gain microphone pre-amplifier. Exactly right. Mar 17, 2019 · Benefit is lower dc offset and less distortion also high open loop gain also superior stability. Which of the two mentioned OP Amps (OPA1612 or OPA1656) is the better one, in a scientific point of view. May 23, 2018 · Opa1656 and opa1612 without tweaking have better performance than almost any discrete solution. For example, at 10Hz both parts are approximately 35nV/rtHz. Thanks! Most of these opamps don't seem easy to find in Europe (at least not on my usual electronics suppliers). the much more expensive MUSES01. That may be so, but, if you read my post above again, where is my referral code, or my offer for people to message me for my referral code ? You won’t find them, because they aren’t there, are they ? Apr 22, 2024 · WOO WA2 vs. I still have my discrete Burson, and Sparkos but not the pro grade, I can't fit into any of the equipment I own, but I put the Burson vivid5i, 6Vivid in a drawer where they've been for some time. OPA1656 1/2 OPA1656 Input Output Pad Product Folder Order Now Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. - https://www. Dec 11, 2019 · These two opamps have different but effective ways to enhance HF distortion reduction compared to traditional chip opamps. Aug 18, 2016 · “The Sparkos opamp again had more of it all Deeper bass more crispiness in contrabass. Sound-wise, at the time I noted the Sparkos SS3602 greatly increased soundstage width with more treble presence and more impactful bass (though looser bass compared to the Burson V5i). Thanks in Mar 25, 2017 · What did the Sparkos do? I had to put the amp on high gain, keep the bass on low (to prevent a Protect being triggered). With that being said, there will not be a huge noise performance difference between OPA1656 (~4nV/rthz) vs OPA1678 (~5nV/rthz) when the thermal noise is already 11. Second harmonic decreased with about 16dB and the third one with about 2dB; background noise remained identical, very low actually. . This is easily my favorite recommendation over bursons (v5i or v6). I have a circuit with two OPA1656's and it so happens that one offset is subtracted from another and almost cancels - in LTspice. Aiyima have confirmed they are the same analog linear potentiometer as the V3 but the sensitivity of the A07 MAX is twice that of V3, so while the A07MAX volume is nicer than previous Aiyima Amps but IMO the volume on the V3 is slightly nicer and it is very subtle with lower I've heard MUSES ones are highly regarded and are of normal size, but I have no idea how they stack vs those already on AE-9 I was thinking of maybe sticking Burson V5i in my AE-9. I'm planing on getting a WiiM mini streamer (110 euro) because currently my laptop is used as the source. once they're selling the za directly on their website vs whatever the kickstarter is, I'll likely buy a pair, (with two power supplies. 32v/5A Linear power supply - a member on ASR tested this as being the best performance overall, even compared to a 48V/7A unit. Get support, learn new information, and hang out in the subreddit dedicated to Pixel, Nest, Chromecast, the Assistant, and a few more things from Google. Page: 23 Pages. OPA1656 Sep 14, 2021 · Yes, the low pipe organ pedal notes down 'round 20Hz are rolled-off at 20dB/decade below that of the mid-band 1KHz level during the cutter/mastering process. I do believe putting something like a Burson V6 Vivid or a Staccato in the front stage and then follow it with a sparkos might be a great combo. That unit came with the Sonic Imagery's 990ENH discrete operational amplifier ("opamp") in the buffer stage (pre-amplifier). 9 mA of supply current to accommodate the power supply constraints of many types of audio products. Nov 28, 2023 · Having enjoyed my recently upgraded J2S (AKM 4493/TI -> AKM 4499EX/Sparkos SS3602), I wondered about what the Sparkos SS2590 might bring to the picture. AKM4499/AKM4191 Chipset; TI DIX9211 SPDIF DIR Chip; Twin TI1656/SparkOS 3602/2590 OPAMPS for Balanced (XLR) Outputs Nov 10, 2013 · Height of the Sparkos may be less of an issue with other devices like external amps but make sure there's enough surrounding space to fit their wider size. I think it's a matter of circuit design and implementation. opa1655 , opa1656 SBOS901C – MARCH 2019 – REVISED SEPTEMBER 2022 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, Jul 5, 2006 · Only Sparkos I have heard were integrated into Allo Katana DAC to form the output stage. They are highly regarded, compact and with the metal shielding, they'd look really nice. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety Feb 13, 2016 · Recently I reviewed the Nord Three SE 1ET400A Dual Mono Stereo Amplifier. I've had the Burson V5i, and the V6vivid and I have no space to put a sparkos labs opamp single or dual channel. If you like, you can use two opamps in the package with some extra r c components to make a super opamp which will give unmeasurable distortion. In my experience the OPA828, SS3602 and MUSES03 are easily the best I've heard, regardless of whether they're used in the Essence III dac, or in the Purifi Aug 20, 2023 · My personal OP amp preference for the Fosi V3 are Ti OPA1656 but others have different preferences. I think I used TL072 in my KOT clone. Our design philosophy is "a piece of wire with gain" to give the most accurate musical reproduction and recording that is possible. SQ was about the same as other ESS-based dacs in that class. Mar 17, 2019 · I purchased 10 OPA1656's. I could not afford 37$ for 10 GB so I said fuck it, let’s try the cheapest one, I accept to loose 12$ if there is a chance I save 25$. Feb 11, 2021 · Below is a comparison between OPA1656 and OPA1642. Jun 29, 2021 · これが使えるならば、さらにデータ上は上位のths4651がいけるのでは？と思い、交換してみたところバッチリでした。解像度、空気感、柔らかさがmuses01、lme49990よりも良く、好みの音です。opa1656が最新でスペックの高さが評判でしたので、最初は期待し Apr 27, 2024 · The Fosi Audio ZA3 is no different and it offers the ability to swap out the five op-amps with compatible DIP8 dual op-amps like the Sparkos SS3602, MUSES02 and OPA2134PA which are available for purchase on the website as well. I looked at the Slew Rate as my main The OPA1656 is the industry’s lowest voltage noise high voltage CMOS on the market. Use a socket and try a few out. The LM6172 made the soundstage spacious with good sparkle on the treble. - Piano: The percussion of the hammers hitting the strings was more realistically portrayed, and a slight edge heard with the LT1028's went away when using the Sparkos SS3601's. File Size: 611Kbytes. Apr 12, 2022 · The socketed version is designed to let you change out the opamps used for the balanced and unbalanced outputs. The SIL uses small inductors on IP transistors. 4 nV/rthz. When we developed the OPA1656, this was also a major design target for us, and the designer and myself spent quite awhile in the lab with previous CMOS audio op amps (specifically OPA1652 and OPA1688) hunting for sources of input capacitance variation. I used 10 or 12 in my preamp rolling project - never a problem with The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. They are also based in the USA, so that makes returns and exchanges Jul 4, 2009 · I have tried every version of the OPA627, including the metal can version, the AD797, AD827SQ, AD847SQ, OPA828, Sparkos SS3602, Burson V6 Vivid, OPA1611, OPA2156, and many many others. Just a Jul 4, 2009 · - highs (over 10-12khz or so) not as "sparkling" as with opa1656 (but at the same time more sibilant, not overly sibilant but with the opa1656 sibilant nearly "vanishes" while the opa627 brings them a bit up again, it doesnt "shoot" sibilance in your face, its just a bit more audible) The (un)official home of #teampixel and the #madebygoogle lineup on Reddit. 3) Burson V6 Vivid 4) Sparkos 3601/3602 5) Burson V6 Classic. Both #1 and #2 are larger op amps though, and won't fit in many applications. The schematic, spectrum and results are given below. 9nV/rtHz as opposed to 3. This is made available through its recently acquired distributor and reseller status for SparkoS products. Dec 28, 2018 · I would like to see the OPA1656, a burr brown sound plus chip. Review. Strikes on piano was so much more detailed and one could hear the wood timbre and the strings move. The knee in the OPA1656 noise curve is higher because the broadband noise of the OPA1656 is lower (2. It outperforms most other opamps, very low noise & distortion, doesn't color the sound whatsoever. Volume control on the V3 is more subtle control over lower volumes. Seems that with the cheap good NE5532P the THD+N decreased from 0. Mar 17, 2019 · The OPA1641 would be slightly better. However, there really will be very little difference between it and other high performance opamps. The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. The Sparkos uses a two pole compensation network referenced to ground. Jan 7, 2021 · I have had great success with them in various pieces of equipment and have become my go-to op-amp. In comes the sparkos. Dec 20, 2023 · I've since learned that there's somewhere like a 5-6 db difference in rca input vs balanced, and yeah, the amp seems just fine with the pot all the way up. the default NE5532 OP amps supplied) and have - alternatively - a look at some of the rather "cheap" integrated OP amp alternatives, which fit the V3 sockets from Mar 17, 2019 · The OPA1641 would be slightly better. My first set of separate OpAmps, ushering my foray into the brave new world of OpAmmetryLoL Dry, crisp, analytical and non-intrusive (as compared to the bold NE5532) is what I would describe this opamp as. no noise, no distortion. The SS2590 PRO discrete op amp was designed to be as sonically transparent as possible. Impact from drums were more realistic and detailed. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety Jan 5, 2017 · Massed strings are extremely well portrayed using these op-amps vs. Apr 21, 2019 · Sound: For purposes of these tests, I started out with a Burson Swing and Fun DAC and amplifier. I would check the amp out, if its character is basically to your liking (incl. Two identical gain 11 amplifiers were tested. This gave me a chance to May 9, 2023 · Hello together, i want to put one of the mentioned OP Amps in my amp. opa1612 opa1656($3) have thd performance better than -140db. Jun 3, 2020 · I talked to my friend Andrew Sparks, who runs Sparkos Labs, about creating a new review for the site. Outforce) · GBX · Sparkos · OutforceRebooted (GBX & Sparkos vs. youtube. (or the 2156) The opamp has good phase margin and seems quite tolerant of sub-optimal layout. 0026% vs. Sparkos Labs Gemini . May 23, 2018 · Problem is, i don't buy into the discrete opamps anymore. Feb 11, 2021 · 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. It made an otherwise ordinary dacamp to a fantastic dacamp. This will cost more than the unit itself, and you are better off getting a better amp, like the Topping PA3s. My guess is that you won’t notice a difference. Feb 4, 2024 · Recently I reviewed the Nord Three SE 1ET400A Dual Mono Stereo Amplifier. And this preamp sounds MUCH better than Audio Research, Burmester and Accuphase preamps costing above €10. I did an A/B comparison to LME47920 (metal cans), burson V5i, V6 and also the Sparkos Pro discrete op-amps on one of my DAC's. Every amp. The WA2 costs 1499 USD and my unit has upgraded tubes that makes the total cost more than twice the cost of a Gemini. 25 V to ±18 V (4. The pricing for these options range from $0 for the OPA1656 to $79 per opamp for the Sparkos. 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. Digikey seems to have the OPA1656 (for a bit over €2 each, which is great, though shipping might be quite a bit more than that), unfortunately they only seem to have it with SOIC mount and not DIP. Composite amplifier is one of the best application with opa1656. common mode voltage that I've measured on any op amp. the LT1028's. Provided to YouTube by Emubands LtdAmazed (GBX & Sparkos vs. I don't care about listening tests or something else, just want to use the technical better one in my amp. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety This will allow you to swap out the opamps with the Sparkos 3602, or any of your favorite chips. To check if they will match the previous ones that were made with balanced 10x paralleled op-amps. Something like that. Opa1656 has good phase response at high frequency. Two schematics in parallel and eight in parallel for both 1656 and 1642 were measured. That i couldn't spot with the TL´s or for that matter any other opamps so far. 0067% to 0. Of course that is because in LTspice all instances of the device are identical. It offers exceptional performance in almost any audio application. IIUC the folks at Sparkos designed the board for Allo or they collaborated on it. 000. This gave me a chance to Jun 30, 2016 · A few days ago, I did a comparison for JRC NE5534, Burson V6 Vivid Classic and a Sparko SS3602 installed in a Burson Fun headphone amp, every A/B-test were done with a DIY stereo switch for instantly swapping between the simultaneously powered amps and compairing with my own DIY assembled LBC amp with a V6 Vivid and Sparko discrete voltage regulators SS7815 and SS1117-15, that will replace the The Aune dac costs 250 euro for the non bleutooth version and I paid 85 euro for the Sparkos Opamp. Description: Ultra-low-noise, low-distortion, FET-input, Burr-Brown audio operational amplifier. It will also support the Sparkos 2590’s stacked pair which requires a PRO TO DUAL DIP8 ADAPTER. 8nV/rtHz). Eric Mo Intellectual 775 points Part Number: OPA2134 Other Parts Discussed in Thread: OPA1656, OPA134. Jan 30, 2024 · 1) Sparkos SS2590 2) SI 992/994. Regarding the tone stack, if there is enough gain in the front-end, the input-referred noise may not be impacted by the resistances. My OP1656 OpAmp Review. Dual customzied solution will give unmeasurable distortion (possibly -180db). com/watch?v=0e9d3Hf0uq4&t=1138s I've been using mostly LM4562, except when I need a JFET opamp (high impedance inputs for example). To me, Sparkos Labs are one of the best discrete op–amp brands I have found, especially for the money. At that point, I felt like Mobimatter was a scam, but I searched and most reviews of reddit seemed real and were positive about it. ••• The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. Mar 17, 2019 · I measured again the noise of OPA1656 vs OPA1642. Geshelli offer three options: TI OPA1656, TI OPA1612, or Sparkos Labs 3602. Mar 17, 2019 · If you pick a point on the 1/f portion of the noise spectral density curve you can see that the two parts are essentially identical. I watched a video by passion for sound on youtube where he mixed and matched a few combos like this. I emailed them asking if I could get the case for their headphone amp which is taller to fit the bigger opamps and they told me they offer the same size with the faceplates for the the j2 so I did that • audio·phile: a person with love for, affinity towards or obsession with high-quality playback of sound and music. It's best use as an alternative to opa1612 when noise is not a big concern. Oct 8, 2023 · The advantages of the V3 compared to the MAX: 1. 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 Sep 27, 2019 · The OPA1656 operates over an ultra-wide supply range of ±2. r/audiophile is a subreddit for the pursuit of quality audio reproduction of all forms, budgets, and sizes of speakers. Having compared the Gemini to a range of solid-state amplifiers, I want to dedicate some paragraphs to a comparison with the Woo Audio WA2 tube amplifier. I did. It has the most stable input capacitance vs. It might be worth giving the 1656's a go. Mar 17, 2019 · OPA1656 rolling I tried in all cases to bypass the rails with a 0. 5 V to 36 V) on 3. The FET-input architecture achieves a low 2. It could sound pretty good, but one could get sound just as good from IC opamp designs. in order to resurrect those signals the preamp applies a maximum gain of 1000 b/c the basic mid-band gain must be ~ x100. cufvxnq obtopezob gnrt ksasj mijg awlabwt pfmvpl xvuz txoyte akt