Opa1612 review audiophile forum

Opa1612 review audiophile forum. Lenovo Vibe X3 - ESS Sabre 9018C2M(Main) + Wolfson WM8281 DAC (Recording) / 3x TI OPA1612 Amp / Dolby Atmos 4. Xiaomi Mi Note Pro - ESS Sabre ES9018K2M DAC / 2-stage TI OPA1612 & ADI ADA4896 Amp + dual clock oscillators + 28 high-precision audio resistors (600 ohm Headphones) 5. Measurements can be quite revealing,as the friend who posted earlier did and as it seems not all dacs are immune,even the ones with decent measurements. The Entry Level. The X6 MK2 proved the superior sound making the E30 sound tinny in the vocals, much thinner. I ran my Denon DNP 730 AE through both dacs using a QED Optical cable. Transparency got way better. To be honest, it sounds low fidelity. Audio recommendations from audiophiles and free forums. (NOTE: We once owned a recording studio together back in the late 1970's through the early 1980's. 0（ES9018+ES9601+OPA1612）chipsets The other variants of the Vivo X5 Max and Vivo X5 do not have them. Apr 12, 2023 · Emotiva XMC-2 AVP Review (Sample 2) This is a review and detailed measurements of the second sample of Emotiva XMC-2 AV Processor. Feb 18, 2023. Jun 2, 2019 · Last edited: Mar 7, 2021. Jul 29, 2023 · Audiokarma. Bottom line, check the supply voltages, pin 4 and 8. Based on 5 customers reviews. Muses02 it not very good with my DAC. Nov 15, 2018 · 242,433. Disclaimer: ShenzhenAudio sent us the SU-6 & the SH-6 for this review, free of charge. He has a strange mix of scientific objectivism and subjectivism. Btw the frequency compensation is used according to the designer in order to get it stable. In practice a lot of these interfaces were very buggy and or very limited (16/48). Jan 10, 2016 · Jan 10, 2016. All of the MM preamps that are out there that use a bipolar input device (LME49710, OPA1612, LT1115, AD797 are just deluding you. In Objective2 gain-stage I prefer the SS V5, with the hybrid V5i or with SS V6 there's a hiss noise when moving the volume knob and also the thump noise when switching the gain is higher. OPA1664 is in stock at Mouser as a BJT input opamp replacement. I think FDA amplifier would be better for performance thus I plan to replace OPA163x(OPA1633 or OPA1637) Is it possible to replace OPA1612 to FDA(OPA163x) and is it Dec 12, 2023 · It sounds great too. They often prioritize sound quality over convenience or cost, and are willing to invest in high-end audio equipment to achieve the best possible audio experience. Replies: 116. So while Bruno prefers the OPA1656, I wouldn't discard a build with the OPA1612. 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. Sep 20, 2020. -90. Nov 5, 2021 · Nov 5, 2021. On distortion front though, the SparkOS has fair bit higher distortion (> 10 dB). NE5532 can be configured. " Jul 19, 2023 · 2. SparkOS Discrete Op-amps SS3601 and SS3602 with comparisons to Ne5532/5534, Muses02, Burson v6 Classic, and Burson v6 Vivid op amps. 3037. 709. , LTD. Feb 19, 2022 · Seattle Area. Jul 23, 2020 · 5) Most "Audiophiles" aren't really concerned about taking a systematic approach to improving the sound they hear. J-Test - No Significant jitter. Apr 6, 2020 · The NE5532 supports a max supply voltage of +/-22Vdc and a nominal supply of +/-15Vdc. Except for noise, of course. The MM preamp must have a FET input device. 2-kΩ load, which increases headroom and maximizes dynamic range. Almost 150 unnecessary drivers and services are disabled, resulting in the optimal platform for ultra high-end audio reproduction. 01 on the video below. I have provided comparison measurements for the LM4562 op-amp Aug 17, 2021 · I purchased the VTV buffer with Sparkos SS3602 op amp which I found to be much more agreeable. I may make a simple phono amp to test it later. At the time I was driving the amp with Topping D90 thru a Schiit Freya + using the passive volume control. You can see this in the specs for the tpa3251 and tpa3255 used. 1-nV/√Hz as well as an extremely low distortion level of 0. solderdude said: Actually the SIL opamps are pretty good. iancanada has been designing DIY DAC components for years. The OPA1612-Q1 device is a dual, SoundPlus, bipolar-input operational amplifierthat achieves achieve very low 1. Remy HOFF. . Location. This is a study of whether changing op-amps in a DAC makes a measurable difference. They discuss a wide range of topics including music and movies, solid-state and tube audio, digital sources, DACs, turntables, tuners, tape, headphones, speakers, listening spaces, home theaters, manufacturers, and marketplaces. Jan 2, 2015 · Ken is a true audio enthusiast and will be adding fascinating and detailed content here, around the HUGE SUBJECT of designing and building audiophile quality field coil loudspeakers. This is a review and detailed measurements of the Loxjie D40 stereo DAC with Bluetooth and headphone amplifier. Nov 16, 2022 · Just received this reply from Topping regarding the 1. Jan 8, 2024. Feb 23, 2022 · Schiit Audio has a strong track record for price-busting high-end audio hardware. Dec 5, 2020 · OPA1612: THD model. the ne5532 looks a bit harder, narrower and more direct, the other two a bit more relaxed and Dec 7, 2023 · Discrete OpAmp Review: Sonic Imagery vs Sparkos. Mar 8, 2019 · OPA1612/2211 has excellent CMRR but PSRR isn't stellar and strictly follows OLG. It is hard to get it stable so 1 ohm output resistors are added in each output instead of what i liked 0. Recently I reviewed the Nord Three SE 1ET400A Dual Mono Stereo Amplifier. Jan 17, 2022. IMO, muses01 at $30 really worth the money. Here, I am going to focus on measurements only. They respectively cost $169 USD and $119 USD. #23. 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. Source is an Oppo 403 with analogue power supply used as a streamer and a seriously upgraded World Designs headphone amp (Schotky Diodes and Stepped Attenuator). Dynamics felt better, bass felt more defined and the upper midrange seems to have more air. The labeled parts are the same as what shows on the current v1. If you have a look at the datasheet, based on the information they provide, the objective performance is outstanding: If you have a look at the datasheet, based on the information they provide, the objective performance is outstanding: Jan 7, 2021 · The board fits back in very precisely, so work slow. 788 is opa1602 + ad8397 so it's very different from 789. but the difference between opa2604 and LME49720 is much smaller than the difference between these two compared to the original ne5532. Prodigy 230 points. com. Nov 26, 2017 · thanks for your tips! i have tested the opa2604 and the LME49720 compared to the ne5532. Last edited: Sep 7, 2023. Jan 26, 2024 · Audio amplifier device review: Fosi Audio ZA3 This is the second review I have written relating to a product from the FOSI brand, the first was relating to Search Everywhere Threads This forum This thread Nov 28, 2023 · Advertisement. Raspberry Pi Zero 2W (moodeaudio) - Topping D50s/A50s - Massdrop HD6XX. New thx 888 works at +-18V. Another story is that the original brochure didn't have the flying supply. All thoughts and experiences with the product are naturally my own. Let's face it: You're an audiophile when you resorted to text messages because phone calls don't come through as 96/24 high def audio. That those speakers would benefit much more from 4x purifi 1et400a, then 2x purifi 1et400a with sparkos OpAmp. Jul 3, 2019 · mocenigo said: Advantage: better measurements. May 23, 2018 · May 28, 2018. 04 firmware update, strangely still absent from their website. The L30 really imparts its own sound. the supply voltage and current draw. 1-nV/√ Hz noise density with an ultralow distortion of 0. PC - RME ADI-2 DAC FS - Neumann KH 80 DSP. In his video on hi-fi cables, he gives a pretty good explanation of the science behind cables. Heavy use of technical jargon is required for participation. #6. 152 MHz, very low noise both (-100dBc). I was able to test the following BURSON op-amps: SS V5, V5i, SS V6 Classic, SS V6 Vivid. smsl-audio. diegooo1972 said: I'm tired of audiophile and high fidelity confusion. I have spoken to Trebor from Apollon and he highly recommends going for bi-amp option with a pure 4 amp. All of the components are as described, so if they are fake they are deep fakes. It retails for USD $99. 887: opa1612 + opa564 + low noise optimization. Hidden at the heart of the D40 Pro is the ES9039MSPro digital-to-analog conversion chip. 1. I would recommend anyone buying these cables to let them run in Jan 13, 2023 · An audiophile is a person who is enthusiastic about high-fidelity sound reproduction, and has a strong interest in the technology used to achieve it. T9 pro to my ears was a bit muddier in the low end than my Aiyima a07 and even more so the V3. 5Vdc. Please see my sample 1 review of XMC-2 for details. Jun 23, 2020 · 887 is the upgrade/optimized version of 789. I would recommend trying opa1612 for people who havnt had a thought about it. Our company is specialized in the audio DAC, stereo headphone amplifier, power amplifier, and with own R&D www. For a list of reviewed audio equipment, click here. Thread. Many opamps have a max supply of +/-18Vdc, so simply rolling opamp into such amps would cause them to smoke. Class D FAQ. A personal Audio Advisor with tons of stereo equipment reviews. #12. Part of SMSL’s renewed mid-range offering, the new SMSL DO200 MKII is a DAC that offers a very sleek and modern design. Foshan ShuangMuSanLin electronics Co. Most of his stuff is on the DIY Audio forum and available as group buys. Feb 24, 2021 · 5. Jul 3, 2019 · Seattle Area. 500mH, 500 ohms DC R) is just terrible. The 20kHz, 40kHz, 60kHz are understandable as they harmonics of 10kHz. 1-nV/√Hz noise density with an ultralow distortion of 0. It appears that the OPA1611/2 have a lower noise voltage Concept is pretty clear - you would get objectively saying the most precise amp, speaker - entire audio rig - and then colorize signal digitally at source (well, you could route analog signal to the actual analog rig, but plugins mimic analog rigs so well Londek. 0) and Vivo X5 Max Platinum edition has the YAMAHA YSS-205X + Hi-Fi 2. It is equipped with Neutrik XLR connectors and gold-plated 5-way speaker binding posts. Supported sample rates: 44. And our branch company VMV Technology (HK) Company Limited registered in HK in 2013. The chip also supports high-resolution audio files to give you the best music listening experience. Apr 21, 2019 · Cons: too large to fit into some portable models and get case re-installed, Slightly bright (may bother the treble sensitive), More costly than some alternatives. Aug 3, 2019 · Absolutely not. at +/-20V so minor tweaks of the power supply/voltage dropping. T9 pro is a good unit but has (in my opinion, way) less control over the bass and a slimmer soundstage. So many choices. Jun 7, 2016 · Easy & Effective. In this article, we review the SMSL SU-6 DAC & the SMSL SH-6 AMP. Opa1642 4. Amplifier SINAD list. It's a completely different problem than the MC case (5uH, 5 ohms). so I would use old school OPA2134 or LM4562. Jan 1, 2017 · Here is what it does: "A Windows Server 2012 R2 system in core mode, fully optimized with the AudiophileOptimizer, runs only 5 to 7 services and about 15 to 20 processes. 3 days ago · Texas Instruments OPA1612 SoundPlus™ Audio Op Amps feature superior sound quality, achieves very low noise density, and provides ultralow distortion of 0. He just posted a video describing " The Best Sound Quality Audiophile DIY DAC I Built in 2020". I decided to buy a ready built Purifi 1ET400A based amp, to pair with my Rotel RC995 pre-amp and my Acoustic Research AR11 speakers. Jul 17, 2020. #4. Rotel was founded as a family business and as far as I know, is still Aug 18, 2017 · Kindly asking for experts' recommendations about BT over-ear open headphones for classical, opera and jazz listening Welcome! With over 123,000 members, 33,000,000 posts and 926,000 discussions we invite you to join us today! Keep up to date with the latest of the Grateful Dead (The Grateful Thread), the Un-Grateful Thread, the Beach Boys, the Beatles, Bob Dylan, Rolling Stones, Classical Music and Jazz threads, the newest music reissues and much more; audio Dec 5, 2022 · SMSL DO200 MKII review: leaving a mark. Audiokarma is a discussion forum dedicated to home audio and stereo systems. 6 fa/rtHz broadband current noise. This exceptional technology provides abundant power and remarkable precision, making it an ideal choice for discerning audiophiles and professional studioapplications. Sep 20, 2020 · 366. they just "supports Hi Fi" Nov 24, 2021 · This is a review and detailed measurements of the SMSL SU-6 stereo Bluetooth and USB DAC. Funny, I've always considered Rotel to be a higher end brand than Denon/Marantz. When designing the Burson V5i, our goal was to create a product that was to manage. Other Parts Discussed in Thread: LME49600, LME49720, OPA1612, BUF634A, OPA1622. Commensurate with the related HD. Together, these apparently outperform theXplay3S Audio Science Review (ASR) Forum. Such a carefully-designed chassis hides a very competent DAC that offers everything you might ever need, including a great sound and quite a few input and output options. It was kindly sent on loan by JDS Labs in advance of its formal announcement and availability this week. #16. Jul 1, 2021 · 1. 000015% at 1kHz. One is 45. A few months ago I tested the Topping D10 DAC and since Feb 17, 2021 · Couple of Accusilicon AS318-B Series Professional Audiophile Crystal Oscillators, about 50 USD each. Company was kind enough to send me a complete, assembled kit consisting of two modules, power supply and case, ready to go. 2 listing on Amazon (the 1. Soundstage and placement felt more solid. 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. 2 listing photo has been fixed to indicate dual ES9038Q2Ms) except, the two OPA1612 op amps in ver 1. The owner then ordered a set of Sparkos Pro SS2590 discrete opamps. audiophile dsp vst. You're an audiophile when your friend lets you see his/her ipod or mp3 and you secretly change the EQ settings. Disappointingly high 2 and 3rd harmonic distortion. apollonaudio. Bright white LED display is highly responsive as is the rotary controller. This review consists of 3 pages. Feb 9, 2019 · Neurochrome hp-1 is essentially the same but using opa1612 and paralleled the whole composite amplifier section. who builds large PA speaker systems. founded in 2009 which located in Shenzhen, China. So it makes them very hard to deliver -15V rail in a cheap way. This is a review and detailed measurements of the Purifi 1ET400A Class-D amplifier module. Used to have a Bryston 4B, but it broke and sold it to someone who wanted to fix it and use it himself. Ken Songer CEO/Founder Songer Audio. I felt a great improvement overall. orchardaudio said: As per moderator, here is full article from the site: Objective Guide to Op-Amp Rolling - Part 1 July 30, 2021 Op-Amp Test Board This blog article/post is a deep dive into currently available 8-pin DIP dual op-amps, for those that like to swap op-amps in their designs and/or DIY projects. In fact, I would say that it is better because of this. 1584 MHz and the other one is 49. They have not disclosed the cost of the unit. Now with the Sparkos SS2590: Our overall SINAD remains roughly similar because it is noise dominated. New posts. Share your reviews, questions, tips and experiences with other enthusiasts. However some manufactures (eg, NAD 3150) went for +/-18. It costs and US $3,199 and was kindly supplied by a member. In fact with an op amp upgrade to the X6 mk2 using the Oracle 02 the vocals surpassed the E30 mk2 and more clarity achieved via the new op amp. Dec 11, 2022 · Forums are for discussion, not you to be offensive about an opinion. Dec 17, 2018 · Certainly use a socket for opamp rolling. Only that I've replaced the LME49720 with OPA1612, hoping for better performance, and use 1. Aug 3, 2021. Dec 27, 2019 · Dec 27, 2019. The Aiyima a04 with lm4562 is dead quiet - no hiss at all. And bias current vs common-mode voltage has a slope that adds distortion (H2) when source impedance isn't super low and well balanced while OPA2156 doesn't have that problem (but may have nonlinear capacitance vs CM voltage unless the input stage is bootstrapped like in OPA1642). They want the mystic and magic of tweaks here and there and the "changes" that component swapping give to tune the system. It will cost US$169. WWW. 53 MHz gain bandwidth product, 24V/us slew rate. Nothing will simply beat, in that case, the exact equipment used in studio during the recording. Mar 17, 2019 · That seemed like a reasonable target for the supply current of the OPA1656 as well. Jul 3, 2019. Jan 8, 2024 · 131. Raspberry Pi4 (moodeaudio)/Marantz TT15s and Rega Fono MC phono stage - ADI-2 Pro FS R Black Edition - March Audio P452 - Harbeth P3ESR. Need to keep in mind. The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low. 789 is essentially "886" in a sense. Jan 13, 2023 · Audiophiles are too diverse in taste to bother spending one's hard earned cash trying to please. Jul 17, 2020 · 352. The OPA1611 and OPA1612 offer rail-to-rail output swing to within 600 mV with a. Unobjectionable low fidelity. 33 Vrms. 04: Add bandwidth setting in setup menu (B-5) Customized settings from 5 to 15 (default: 5) The larger the number is, the stronger the range to adapt to jitter, and the smaller the number, the better the performance The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. Nov 15, 2018. I talked yesterday to my buddy Greg B. Dec 11, 2022 · Dec 11, 2022. May 3, 2022 · Joined 2022. Are you passionate about HiFi, music and audio equipment? Join audioaddicts, a friendly and informative forum for audiophiles of all levels. Starting at the price of $39. Feb 13, 2014 · I think only the Vivo X5 Max+ (supports Hifi 2. SONGERAUDIO. 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. 99. 3. Thank you Dec 11, 2014 · 3. #1. Jan 15, 2022 · 14. 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. 10kHz 0dbFS. -60dBFS. It was sent to me by the company to be sold by Shenzhenaudio. 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. Headphone output power into 16 ohms: 780mW. I listened to the Hypex NC400 DIY mono blocks a friend of mine owns and I was very impressed. Feb 6, 2018 · 最近オペアンプ交換が楽しくて色々試してみました。個人のメモを兼ねてレビューしてみます。環境は、CD取り込みからハイレゾ化まで手軽にできるCurioSoundを使用してCDから取り込んだデータを96kHz 24bitのflac形式で保存。 "安いのにすごいSHANLING M2sを買いました"で紹介したM2sからラインアウト 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). 1ohm or 0. It was sent to me by the company and costs US $430. Fourrier analysis show a very high THD calculation of 0. 5Vrms signal, 80-kHz measurement bandwidth. Apr 26, 2023 · The amplifier boasts several impressive features. Feb 24, 2021. E70 V1. Explore topics such as turntables, speakers, headphones, DIY audio and more! Jun 3, 2023 · Sep 28 2023 - 1:05am No new. Jul 5, 2021 · Somewhere in 2005 USB DAC’s started to become popular. Sep 6, 2023 · Tried putting in opa1612 today. Mar 3, 2018 · Measurements. Aug 9, 2022 · M500 MKⅢ. Now their offerings cost as much or more than Marantz, Yamaha, Denon, NAD and others, so they better be good. COM 2925 NE Glisan Street Portland, OR 97232 TEL: 503. Tpa3251 has lower hiss. Haven't tried op amp rolling, just commenting to say that I think you'll find the V3 with the 48v psu much better than the T9 pro. 2, 96, 176. 4 and 192kHz. The amplifier utilizes an OPA1612 Input Stage and TI TPS7A49/30 Voltage Regulators, which contributes to its strong performance. Jun 28, 2021 · The differences are mainly with tonal signature, but everything else, transients, headstage, microdetail, dynamics - they are all the same among four DACs I've tried so far. PecanPi Implementation Details: DAC chips: Dual flagship Burr-Brown PCM1794A s in monaural mode. You're an audiophile when you consider a 300 dollar headphone a bargain. TAS and Tenor being the popular ones. muses01 sounds far superior than all the other opamp I've at hand. The LME49720 is better from this point of view. Ask questions and get advice on stereos, speakers, hi-end amplifiers, pre-amps, home theater, tube hi-fi, turntables, vinyl, tweaks, music, films, video, DVDs and more. Headphone output power into 32 ohms: 390mW. A quick snapshot of the OPA1656 performance specs: 2. Frequency (Hz) Voltage Noise Density (nV/ Hz) 1 10 100 10 100 1k 10k 100k 1M 10M C020 + + ± ± Treble Bass +15-15 1/2 OPA1656 1/2 OPA1656 Input Output Pad Product Single and Dual Versions Available. I also tried a few other op amps, OPA1612, OPA627, and Burson V6 Vivid, but I preferred the Sparkos to any of these. May 15, 2022 · Forum Home Amplifiers Solid State Pass Labs Tubes / Valves Chip Amps Class D Power Supplies OPA1612, OPA1642, MUSES8920 and MUSES8820. OPA1612 Dual OPA DIP8 (Unit) The TI OPA1612 dual operational amplifier benefits from excellent technical characteristics, allowing very good electrical and audio performance. WiiM Pro - Mola Mola Makua - Apollon NCx500+SS2590 - March Audio Sointuva AWG. 2. Supported bit rates: 16 and 24 bit. Today the Californian and Texan company has announced the Mani 2 phono pre-amplifier, the successor to the Mani, first introduced in 2014, which went on to become this hi-fi enthusiast’s goto phono stage when putting together an entry-level vinyl system, especially when a moving coil cartridge was needed. Nov 21, 2023 · Topping E50. 1, 48, 88. 2022-05-03 8:13 am. at +/-20Vdc, drawing about 8mA. I strongly doubt you would be able to hear any difference between the A70 and the PA5, and possibly even the A300 when thrown into the mix. Sep 11, 2021 · In my opinion, the Aiyima a04 with lm4562 sounds a little better than a07 with the stock ne5532. Ne5532 After this , with two amplifiers both with lm4562 it was time to check if they sounded identical, and they did. At that time there were many different interfaces including manufacturers like M2Tech rolling their own including the drivers. 33ohm. 0" package. If not, then the more powerful Hypex NC1200 would do a better job driving them. Simgot EM2. The OPA1611 and OPA1612 offer rail-to-rail output swing to within 600 mV with a 2-kΩ load, which increases headroom and maximizes Jun 2, 2019 · Up to about 100W, the performance of the OPA 1656 (Apollon's default, apparently, despite the website saying they're using the 1612), and the Sonic Imagery 994 are the same. The hiss is slightly higher from Aiyima a07, but still very low. 00 USD, the V5i is a fun upgrade with serious performance capabilities. Disadvantage: the OPA 1612 has some phase rotations that could cause oscillations when feedback is used. Jun 27, 2019 · The Purifi input board buffer uses TI OPA1612 opamps. . I happen to think MBL 101E speakers look really cool and would love to own them, but plenty of audiophiles think they look stupid - or that omnis are just a parlour trick. Hypex NCx500 specs: - 700w @ 2ohm (per channel, peak) - 700w @ 4ohm (per channel, peak) - 380w @ 8ohm (per channel, peak) You have a choice of two configurations (both at the same price): - The default configuration uses the onboard stock Hypex buffer stage, which renders our Low/Med/High toggle switch inactive (gain cannot be 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. That unit came with the Sonic Imagery's 990ENH discrete operational amplifier ("opamp") in the buffer stage (pre-amplifier). Aug 30, 2022 · Yes. Similar to the size of a typical DIP8 opamp, the V5i is the easiest plug-in upgrade for any audio project. #2. 000015% at 1 kHz. 3865. Western Glow Tube Service. abraxalito said: I'd not use a JFET input opamp (OPA1642 is an example) to replace a BJT input opamp (NJM4580 is an example). In the data sheet of AK4499EXEQ(it is not freely download website), They are using two OPA1612 for I/V conversion each channel. Seattle Area. the differences aren't huge, but big enough to make a change worthwhile. Mar 19, 2020 · I have both. @JonSnell Electronic - perhaps you used Octopart to see Mouser's stock. Sep 15, 2018 · Sep 15, 2018. Jul 30, 2021 · Location. Mar 8, 2024 · Interestingly, the A70 has better higher-frequency sweeps than the PA7 Plus, although the latter has slightly better multi-tone IMD performance. Possibly as similar as the sound perception in the recording studio. Hi-FI is the best possible reproduction of music. The LM4562, which is the one in the graphs above that's worse up to 5W, is not offered by Apollon (AFAICT). Their noise performance with a real MM cartridge (c. The OPA1611 (single) and OPA1612 (dual) bipolar-input operational amplifiers achieve very low 1. It ensures a very low noise density of 1. On Premium devices they use premium component such as larger inductors/discrete DC-DC converters, etc. 5k for both resistor in the feedback loop. Hello, I'm working on a headphone amplifier project that use the circuit recommended in LME49600 datasheet. It's possible the OPA1656 vs OPA1612 difference may be preferred with the 3E Audio 260-2-29A build too? 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). Opa1612 ( sounded almost as good as lm4562, very small difference ) 3. Europe. I really like the slick look of SU-6 with its white LED: Yes, you can adjust the brightness level (I think there are four). I recently took delivery of Audiophile Ninja cables to replace the damaged originals from my Oppo 2's. If you're considering getting into hi-fi or just starting to build a system and you have a question or concern, please feel free to jump in here. Mar 2, 2019 · Single ended Dynamic Rance: 121dB. 0dBFS - Output is 2. A special place for music lovers. Sep 7, 2023 · The Apollon Audio NCx500 Stereo Amplifier utilises the newest Hypex NCx500 amplifier module as its core. Let's do two things: put the frequency axis into linear scale and extend the bandwidth to 90kHz. Feb 19, 2022. They used to be audiophile on a budget. To send in equipment to be tested, click here. ) He talked to me about OPA1611's versus OPA134's as well as the OPA1612's versus OPA2134's. Simgot MTW5. MUSES8820 is the best, IMHO Mar 27, 2023 · Mar 27, 2023. The TI OPA1612 offers rail-to-rail output swing to within 600mV with a 2kΩ load, which increases headroom and maximizes dynamic range. He explicitly states that expensive cables have no measurable effect on audio frequencies, especially at the short runs used in most hi-fi systems. LG 77C1 - Marantz SR7005 - Apollon NC502MP+NC252MP - Monitor Audio PL100+PLC150+C265 - SVS SB-3000. 887 has lower noise than 888. These would toast. -6dBFS. Mar 20, 2023 · In hindsight the Rotel stuff was very good. Part Number: Hi all, i am building an input stage design with OPA1612 with TINA for TPA3255 (PFFB) and quite surprised by somme results in terms of THD. 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. This is a review and detailed measurements of JDS Labs Atom Headphone Amplifier. I like the design -- it reminds me of some European brands. The components are all original designs and most of them are available for purchase by DIYers. Topping devices do not use a switch power supply that produce both +15V and -15V rails like their competitor SMSL does. We welcome newcomers to the weird and wonderful hobby of high-end hi-fi. -131 dB THD+N at 1kHz, 600 ohm load, 3. 31dBFS 24 bit Waveform - Fairly clean. but there is not a week passing without a thread about fan noises,cpu noise activity,ground loops,etc. 11163% ! Several calculation shows that THD depends of R*C products. Audio, Audio, Audio! This is the forum where we try to impress each other with how much we know about audio. Whoa, grass galore! The thing I don't get is why the multiples of 2k, 4k, 16k, 18k, 22k, 24k, 40k, 42k, 50k, 54k, and so on. To hear Bruno's discussion on OPA1656 scroll forward to 33. Nov 9, 2012 · Before Muses01, I like LME49860 the most until early this year I purchased muses01 and muses02 at ~$30 each at Osaka. I only covered the customs fees & taxes. Dec 17, 2023 · 1. 9nV/rtHz broadband voltage noise. Not familiar with modern devices. ESS’s flagship, this 32-bit DAC features superior performance, with THD+N down to -125dB, for extremely accurate and clear audio reproduction. IMD SMPTE - Fairly clean in terms of number of harmonics and sidebands but at high level. 2 are OPA1642a here. Threads. sy ye rq ff zm fm hs ck ak on