Opa1656 vs sparkos. From the manufacturer's post with THD+N vs.

Opa1656 vs sparkos. Wide supply range: ±2. A non-rail to rail input opamp (like OPA1656) would just clip at that voltage, so pick your poison. . The FET-input architecture achieves. Discrete is just bragging rights, stick to the tried & true ICs. Download. The FET-input architecture achieves a low 2. It’s $11, fr reputed BurrBrown/TI. #2. I've also tried OPA2604 - little bit smoother than the NE5532. I ended up staying with this one. ROM is always up to date with AOSP by including the latest security patches the moment they come out. Would like to try Sparkos in the tube pre-amps too but they are not so cheap. The SS2590 discrete op amp is designed to be the ultimate op amp for use in studio and pro audio applications. 1 - LM301N. Find parameters, ordering and quality information. Impressive sound for little money. Geshelli offer three options: TI OPA1656, TI OPA1612, or Sparkos Labs 3602. I used though the better TIs in output stages of middle class DACs as these benefitted from a more round /warm presentation with less details, as that masked their weaknesses and in fact SparkOS is an AOSP based rom with customizations, mainly focused on stability and most of all smoothness. Dec 10, 2021 · DIY Audio. dotneck335 said: An OPA1612 has slightly better specs than an LM4562---less noise and distortion, faster, and more output voltage swing. Jul 4, 2009 · The entire OPA627 line sounds obsolete compared against OPA828. If you want discrete, then Sonic Imagery 994 or the Weiss op amps. Gain bandwidth product: 53 MHz. 41 Kbytes. It might be worth giving the 1656's a go. In the review of the Fosi V3 (Fosi Audio V3 Amplifier Review ), Amir wrote “There are replaceable op-amps for those of you who have nothing better to do than mess with the design. lib SYMATTR Value2 OPA1656 SYMATTR Description TI/BB Audio FET Opamp to get the same symbols as the ordenary Opamp 4. Dec 23, 2020 · by OP-amp by song Jump table ↓* VOCAL CLASSIC POPSMUSES03 0:42~ 1:42~ 2:43~ OPA1656 Datasheet (PDF) - Texas Instruments. Replacing op-amps however labour intensive it may or maynot be dependent on method vs the cost for discrete op-amps, 4 discrete op-amps since Sparkos makes single channel op-amps for their top of the line. Apr 17, 2021 · I will show the difference between the OPA2604 vs the NE5532 OpAmp. 000035% (–129 dB) at 20 kHz 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. TOPPING DX7 Pro のオペアンプを交換し、組み合わせを試し、理想の音質へ近づけました。. OPA1656 Download. For those who want to do just that, it is difficult selecting which op amps to “roll with”. Dec 9, 2018 · Swapping op amps to better or real NE5532 is positive change. Added a new OPA1656. Order today, ships today. 0067% to 0. There are very pricey discrete opamps option like the Burson and Sparkos but very overkill. opa1612 opa1656($3) have thd performance better than -140db. current noise density, allowing for very-low noise. OPA1656 SBOS901A –MARCH 2019–REVISED JULY 2019 OPA1656 Ultra-Low-Noise, Low-Distortion, FET-Input, Burr-BrownTM Audio Operational Amplifier 1 1 Features 1• Ultra-low noise: – Voltage noise: 2. Just a The SS3601 / SS3602 discrete op amps will outperform virtually all audio grade monolithic IC op amps in open loop gain, noise performance, output current, and magnitude of class A bias current. We also have socket pins for this device as well as adapters for both single and dual DIP8 applications. Spectral density of the NC500 mounting a LME49820. and industrial applications, where maintaining signal. Volume control on the V3 is more subtle control over lower volumes. Save yourself the $230/pair. As everyone can see - lm4562 measurements with a07 is better , but not much. 000029% (–131 dB) at 1 kHz – 0. But of course, how they're implemented and how they interact with the sound system as a whole makes all the difference. #1. 9 mA of supply current to accommodate the power supply constraints of many types of audio products. The A07, just like the Fosi v3, comes with NE5532 stock. Quiescent current: 3. Other Parts Discussed in Thread: OPA1656, OPA134. Apr 1, 2024 · But both the sonic imagery and sparkos are pretty darned expensive I agree. Jun 19, 2023 · Listen to the V3 with different dual op-amps socketed and experience the changes in sound! The demonstrated op-amps include NE5532, JRC4580D, Sparkos SS3602, Mar 17, 2019 · That seemed like a reasonable target for the supply current of the OPA1656 as well. 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. SparkoS Labs has created a range of discrete DIP8-mounted PDOs optimized to deliver excellent audio performance. They are highly regarded, compact and with the metal shielding, they'd look really nice. Jul 4, 2009 · I've been told that switches aren't good for audio so the Opa1652 really makes up with voltage gain if there are flaws in the DAC. Even the coveted OPA627 monolithic op amp, with a price tag of over 25 dollars, has 30dB less gain and around twice the noise of these discrete op amps. Altered text SYMATTR Value OPA1656 SYMATTR Prefix X SYMATTR SpiceModel OPA1656. Preferred the opa627 until the Sparkos ss3602 for it arrived. Sep 14, 2021 · The 1656 just went berserk! “Somethings wrong and I have to use all my horsepower to fix it right now!”. ( Currency conversion) ( YMMV) Evaluation platform - Maverick D2 DAC: Maverick Audio. 75 x 15 x 16. Cheers. on LTSpice load, the lengthy lib update happend. I replaced it with the SS2590s. It’s a full rich sound with great vocals, detailed highs, and beefy low end thanks to the opa2604 and the Mullards. If the price is the same and power the same I'd go with Purifi. #sparkos #derpfest #android11Spark OS vs Derpfest OS - Android 11 with Android 12 Features ? Which to try ?Hey guys, What's Up? Everything good I Hope. May 23, 2018 · Seems that with the cheap good NE5532P the THD+N decreased from 0. Mar 17, 2019 · Joined 2006. However, what it added was magical. 0][UNOFFICIAL/OFFICIAL] SparkOS [AOSP][STABLE][11/10/2022] SparkOS is an AOSP based ROM, packed with many features without sacrificing stability and performance. Jul 21, 2021 · This is where I see the cost/benefit ratio getting thrown out the door. 13. Right now they have either 20, or 30% off going on for their products. Outforce) · GBX · Sparkos · OutforceRebooted (GBX & Sparkos vs. Nov 24, 2022 · The A07 though has a better posted SNR and THD+n than this "Pro" unit. TI has characterized the THD vs Rs for a lot of its recent devices, but alas not the OPA1656 (at least that I could find). Ordered the opa1656 and the new BUF634A. Description. It has a very good dynamic range and a low level of harmonic distortion. Figure 10. Dec 11, 2019 · First, the Sonic Imagery 990 ENH from last review: Notice the lack of harmonic distortion to the right of our 1 kHz tall tone. The OPA1655 and OPA1656 (OPA165x) are Burr-. Newer op amps provide a far more detailed and precise sound, which in turn also results in a broader tonal range. We are including features we find useful for daily usage and can help you get an overall Mar 17, 2019 · The OPA1641 would be slightly better. 2 pole compensation. Never heard a Weiss. -131 dB THD+N at 1kHz, 600 ohm load, 3. Spectral density of the NC500 mounting a MUSES01 Jan 7, 2021 · I have had great success with them in various pieces of equipment and have become my go-to op-amp. This OPA1656 OPA from Texas Instrument offers very good performances for audio use. A review and comparison of the Burson Audio #V6Vivid, #SparkosLabs SS3602 and Staccato OSH-DHb discrete op-amps. The completely docile op amps are the OPA2604, the OPA627, the OPA2107, the LM4562/LME49720 and the OPA2134. So if you want SS3602s on the balanced sockets, you only need to buy 1x more SS3602, hooray. Part #. 2020-10-02 10:56 pm. I’m going to solder the IC to a soic to dip adapter then plug it into the the amp. Figure 9. OPA2156 is also laser trimmed for lower input offset voltage. TI’s LME49860 is a 2-channel, 44-V, high-fidelity, high-performance audio op amp. With LM4562, the noise was -74. Other Names. Click here to check the latest version. Oct 11, 2022. So you can check the amount of noise (audio frequency, but also HF) on the supplies. the LT1028's. 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. I want to drive a non-inverting OPA1656 from the wiper of a volume pot -- which means a range of source resistance for the OPA1656 from 0 to <del>Rpot/2<del> Rpot/4. [ROM][13. 611. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise Aug 19, 2023 · I've owned several other Class D chip amps in the past, including the Aiyima A07, SMSL AO200 and at least a couple different TPA3116 Topping and SMSL models. and you clearly hear the difference! When changed to Opa1656 in headphone amp which had 5532 before i was like "wow!", that is clear and nice sound. Version: Single (Pair) May 15, 2022 · Member. In comes the sparkos. but the difference between opa2604 and LME49720 is much smaller than the difference between these two compared to the original ne5532. asy using the ADA4627 as a template 3. April 21, 2019 wiljen 9173 Views. Actuallly ORIGINAL 5532 is not so poor op amp after all. I'm just not sure if they'd fit under the AE-9's shield. You can effectively introduce tone controls without adding this much noise to the system. Love this little guy. 9dBV (24kHz), which would make S/N 87. For me NOT hearing a difference between a couple of options was as significant as hearing a difference between a couple of others. Sound is more "color", and "massive". The 2227 and 2228 are pretty laid back, like most opa's, but they are revealing and agressive like the 8620. Other than that I can’t get any other information. May 19, 2017 · Joined 2006. Slew rate: 24 V/µs. 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. Manufacturer: Sparkos Labs. I tried the 1656 in there but didn't feel it added anything. Second harmonic decreased with about 16dB and the third one with about 2dB; background noise remained identical, very low actually. Since I am not interested in the V6 Vivid Dual that it comes with. Part Number: OPA2134. Oct 11, 2001 · Behind the 2228, the 2604 is my favorite BB opamp that I have heard (I have yet to hear the 627). They will allow you to replace less powerful AOP or quite simply to obtain a different sound. 0008%. kozzyosko December 10, 2021, 10:34am 1. Mar 17, 2019 · OPA1656 also has a pole-zero pair in the open loop gain curve to boost the open loop gain at audio frequencies (hence the 53 MHz gain bandwidth product). #3. And, more detail resolution comes through with musicality. This Watch this Geshelli Audio DAC Review before buying any other DAC on the Market! It may be the BEST DAC under $300!Get the Geshelli J2https://geshelli. 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. Four OPA1656's for 20 dollars or euros might be worth a pop to hear or not hear a difference. No regrets with this amp whatsoever after rolling. 9 mA per channel. Nov 18, 2023 · 67. 6 fa/rtHz broadband current noise. The performance of the CMOS audio op amps is actually fairly close and maybe slightly better than the OPA627, which was somewhat famous for its performance in this use case. Taking advantage of a wide power supply range and mounted on a DIP8 bracket, it can replace many other models. Sep 7, 2023 · Amir wrote in post #1 that the amp came with the default op amps - so that would be the OPA1656? If so, his measurements are not with a discrete op amp. SparkOS Discrete Opamps. This video title is; 2Which OpAmp is Better for 20W Class A Amplifier - OPA2604 vs NE553 However, I have done a little OpAmp rolling on my Aiyima A07. a low 2. com/portfolio Sparkos Labs SS3602; Sonic Imagery Labs SIL994; An Audio Precision distortion analyzer model APX515 was used to perform the measurements. 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 The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. The OPA827 for example has superior load drive,much lower distortion and miniscule DC offset. Jun 29, 2021 · THS4631, OPA1656, LME49990, LME49722. 2017-06-04 7:42 pm. 9nV/rtHz broadband voltage noise. Generally a FET input has a higher 1/f noise corner than a BJT input. It offers exceptional performance in almost any audio application. Thanks for that recommendation. OPA1656 Dual D (SOIC, (8) (1) For all available packages, see the package option addendum at the end of the data sheet. The OPA1656 is the new king. Standard opamp for that has pretty much become OPA1612. But not anymore. 80. 25 V to ±18 V (4. It was a drop in replacement, no mods to the surrounding circuit needed. Apr 21, 2022 · This video walks you through the build process for a stereo amplifier based on the Purifi 1ET400A Class D amplifier modules, Hypex SMPS1200A400 power supply, Oct 21, 2022 · Provided to YouTube by Emubands LtdAmazed (GBX & Sparkos vs. #12. Mar 17, 2019 · Hi John Yes, did it my way… 1. 9 dB re 5W/4ohm and 102. It has the most stable input capacitance vs. 相手となるデフォのLME49720は輪郭がはっきりして線が太めで、耳 SparkOS is an AOSP based rom with customizations, mainly focused on stability and most of all smoothness. That could be an explanation, considering OPA1656 has much better supply rejection than 5532. G'day mate, yes it's a strange one, as the original OPA2134's in use sounded rather 'dry sounding' to me, if that makes any sense! In fact when the originals were first installed I remember thinking that they didn't sound as good at the LM833's in there previously! Oct 11, 2022 · Redmi K20 / Xiaomi Mi 9T. It could sound pretty good, but one could get sound just as good from IC opamp designs. Jan 30, 2004 · @ sleepy dan: What about the LM4562/LME49720 vs LME49860? Feedback: Head-fi, Ebay, Heatware IC/FS: MP3 Players, IEMs. TI’s LM4562 is a 2-channel, 55-MHz, high-fidelity, high performance audio op amp. Despite the talk about the character of the different op-amps that sounds like a load of crap. 38mm. OPA2156 does not, it is closer to a single pole response. So yes, results are excellent. I SparkOS is an AOSP based rom with customizations, mainly focused on stability and most of all smoothness. Nov 30, 2021 · OPA2134: OPA2134 VS OPA1656. Brown™ op amps designed specifically for audio. These were the results: Figure 8. Definitely a big step up to my tastes. The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. OPA1656ID – Audio Amplifier 2 Circuit Rail-to-Rail 8-SOIC from Texas Instruments. Not sonically different of course but good performers and can actually run on +/-24V (in case one needs opamps to go slightly above the usual +/- 18V rails) When rolling opamps having a 1GHz scope could come in handy. The Loki Mini, which costs $149 USD has an SNR of greater than 114db and a THD less than 0. Eric Mo. 25 V to ±18 V or 4. The A07 now gives a very pleasing, laid back and an analog, almost vinyl-like sound quality to the music! Bass performance is also quite noticeably improved as well. - Vocals: The chest and nasal components of the vocal sound were more evident with the Sparkos SS2590s on the RCA output. Xiaomi Poco F4 (Munch) / Redmi K40s. Now i tested opa1612 with lme49720 and 1612 is better in my opinion. solderdude said: Actually the SIL opamps are pretty good. Rail-to-rail output. Mar 17, 2019 · The OPA1641 would be slightly better. Jun 20, 2023 · Fosi Audio V3 with Sparkos SS3692 Op Amps: More dynamic, deeper sound stage, more punch in the base, warmer midrange, and nice highs. ROM is open source so everyone can any time check everything that is hidden behind the zip file. Now with the Sparkos SS2590: Our overall SINAD remains roughly similar because it is noise dominated. lib file into the related LTSPice folder 2. With a FET input op amp input current noise is lower, but the input voltage noise is higher. Burson lists V5i to be a direct replacement for NE5534AP (OP-AMP1 sockets, Line Out most likely), but I can't find anything for JRC 2114D that are on the right side in parallel with NE5534AP's (OP Nov 8, 2023 · Photos: 3 amps side by side (MAX, Fosi V3, original A07), close up of front of the A07 MAX, rear panel of the MAX) This is a mini-review of the new Aiyima A07 MAX class D amplifier from my "average Joe" perspective. com/ Sep 27, 2019 · The OPA1656 operates over an ultra-wide supply range of ±2. This Fosi V3 is the best of the bunch, a simple, genuinely powerful/useful, truthful, nice-looking and nice-sounding amp that can be tucked pretty much anywhere. LME49720 sound is boringand too light. Standard Package. Well Purifi is the very latest work of a team that include Bruno Putzeys who is the designer behind Hypex. Cost: $250. May 25, 2021 · The class D amp will make lots of HF noise, so the quality of the opamps' power supply is unknown until it is actually probed. Dimensions. Oct 2, 2020 · Joined 2015. But I would still like to see the OPA1656 tested. 2020-10-11 4:57 pm. Basically, the 2228, to me at least, is the perfect blend between the BB sound and the AD sound. - 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. Mar 25, 2017 · It made an otherwise ordinary dacamp to a fantastic dacamp. Some people have more recently started using OPA1656, which are very good, although they are a little less authoritative in the bass. 7 dB re 150W/4ohm. 5Vrms signal, 80-kHz measurement bandwidth. 0026% vs. In the end, it’s an A07. It's pretty impressive how some opa amps and other chips are made to ”make up” for poorly designed or ”shortcuts” by engineer to save space. the ne5532 looks a bit harder, narrower and more direct, the other two a bit more relaxed and If you have questions about quality, packaging or ordering TI products, see TI support. the much more expensive MUSES01. Apr 12, 2022 · The socketed version is designed to let you change out the opamps used for the balanced and unbalanced outputs. Description for the OPA1656. MUSES01は前記事にも書きましたが、最初に聴いたときは美音が衝撃的でした。. Feb 28, 2021 · The new breed of TI J-Fet opamps offer superior performance to that old soldier the OPA2134. Jan 15, 2022. NPO capacitors. So it isn't really a "Pro" unit after all. Same goes w the Bursons. Small but beautifully formed! [Italian version] Product name: SS3602 Dual Op Amp. 9‑nV/√Hz voltage noise density and 6‑fA/√Hz. 4 dB re 5W/4ohm and 101. The sparkos opamps are very good as well but are IMO sonically warmer than the Sonic Imagery. 53 MHz gain bandwidth product, 24V/us slew rate. A quick snapshot of the OPA1656 performance specs: 2. (Came with the other DAC an Aune X8 XVIIIth. Oct 8, 2023 · The advantages of the V3 compared to the MAX: 1. OPA1656. + + May 23, 2018 · Problem is, i don't buy into the discrete opamps anymore. One of the things they did was swap out ICs for a much better OPA2134. There was a very analogy sound from the amp. The op amp offers a temperature range of -40°C to +125°C and is available in an 8-pin SOIC package. Class D amp. 8 - LF353N. Staccato: https://staccatoaudio. Outforce)℗ 2022 Gbx Recordings L Description for the OPA1656. Of the op amps in my collection the massive misbehavers are the OPA1656, the LME49990 and the OPA1612. File Size. common mode voltage that I've measured on any op amp. 10 - RC4558P. Hi Team, My customer wants to replace OPA1656 with 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. Spectral density of the NC500 mounting a LM4562. Sep 30, 2010 · 2010-09-30 10:23 am. #354. Dec 11, 2019 · I would like to see the OPA1656, a burr brown sound plus chip. This device comes in a PRO 6 pin package. 37,475. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety Nov 26, 2017 · thanks for your tips! i have tested the opa2604 and the LME49720 compared to the ne5532. A discrete wouldn’t do anything o utstanding since the implementation is limited. Copied the given . The effective input noise depends on both the input current noise & input voltage noise. Mar 17, 2019 · Here is a copy paste of the result for OPA1656 OPA1656 In the past I have to say I prefered widely the AD precise sound vs the softer traditional TI sound. I've had the Burson V5i, and the V6vivid and I have no space to put a sparkos labs opamp single or dual channel. It's not even close. Intentions are in a few days to roll the 2134 in the A07 to see if they outperform the LM4562 but in all honesty the 2604/4562 combo Mar 17, 2019 · If the impedance is high (10k ohm or higher), then a FET input op amp may be better. The Sparkos improve the A07 in the same ways. Yes, we call that behavior on the OPA2156 input crossover distortion and it is present on all op amps which use a dual input stage to achieve rail-to-rail input voltage range. 75. 5 V to 36 V) on 3. Code. Nov 24, 2023 · This would make S/N 86. 5 V to 36 V. I must test muses now. The OPA1656 is the industry’s lowest voltage noise high voltage CMOS on the market. Pricing and Availability on millions of electronic components from Digi-Key Electronics. Jan 5, 2017 · Massed strings are extremely well portrayed using these op-amps vs. Apr 21, 2019 · Components. 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. This is easily my favorite recommendation over bursons (v5i or v6). Optimized for high performance audio use. Aiyima was gracious enough to send me a unit for review and evaluation. On distortion front though, the SparkOS has fair bit higher distortion (> 10 dB). From the manufacturer's post with THD+N vs. This is what is in the unit: 10 - LF351N. the differences aren't huge, but big enough to make a change worthwhile. 296-OPA1656ID. 9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise If you have questions about quality, packaging or ordering TI products, see TI support. Dec 27, 2019 · Dec 27, 2019. Jul 3, 2019 · Opa1612 and LM4562/LME49720 are both good. 9 nV/√Hz at 10 kHz – Current noise: 6 fA/√Hz at 1 kHz • Low distortion: – 0. fidelity is crucial. In this hobby, we come across a lot of different tweaks and tricks that claim they improve the sound quality of the component you're upgrading. This is my first time doing anything DIY with audio. It's a shame that because of modern miniaturization of pbc and surface mounted devices as a trend, it does not come in DIP8 package. power, the discrete op amp has much lower distortion before clipping while it is on par with the OPA1656 at lower power. I don't hear as piercing highs. Do OP amps fi Jul 5, 2006 · SQ was about the same as other ESS-based dacs in that class. Measurements done directly on headphones-output jack (MUSES8820 + LME49600). Discrete OpAmp Review: Sonic Imagery vs Sparkos Page Audio Science Review (ASR) Forum, Find many great new used options and get the best deals for 1PCS THS4012CD ON DIP ADAPTER at the best online prices at eBay! Jan 15, 2022 · Likes. Nov 18, 2023. OPA1656 - Better imaging / separation of instruments. I like the low noise aspect of it, though it's pretty expensive. I am planning to replace the NE5532 in my Burson Funk with the OPA1656. 1 10 100 1000 1 10 100 1k 10k 100k 1M 10M 9ROWDJH1RLVH6SHFWUDO'HQVLW\ Q9 ¥+] Frequency (Hz) C006 Product Folder Sample & Buy Technical Documents Tools & Software 3e AUDIO TPA3250 - сравниваем разные ОУ - OPA1656, OPA627, Muses01, Muses02, VV4ЖМИТЕ НА КНОПОЧКУ "СПАСИБО" ДЛЯ СЧАСТЬЯ!!Понравилось We would like to show you a description here but the site won’t allow us. In short a fully functional operating system as stable and customizable as it should be. 2 dB re maximum power, which I estimated at 150W/4ohm (later). Jun 20, 2023 · The NE5532 was for a long time the best bang for your buck. ”. Overall a very pleasing combination all round and a great sound for little money comparatively. Both the Fosi V3 and the Aiyima 07Max (and What makes SparkOS special? Stability. Try some Opa1656, LM4562, Opa627, AD8066 etc. 3 - unknown, the markings have been removed. Intellectual 735 points. Features. Cost: $79. Mar 17, 2019 · When we developed the OPA1656, this was also a major design target [] This article shows the measurements I took on the OPA164x family. In terms of drivability, the sparkos offered the same output levels as the LM6172. I ended up not linking that at all. Share Nov 12, 2010 at 6:10 PM Post #8 of 20 Jul 25, 2021 · A pair of *genuine* OPA1656's is the consummate and necessary upgrade for it's stock NE5532 opamps. The pricing for these options range from $0 for the OPA1656 to $79 per opamp for the Sparkos. hy rv vy il ox vd jv dd dl jx