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AudioLibiertarian

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  1. View Classified Topping PRE90 Preamplifier, Stereophile Class A Great preamp! Extremely neutral, dynamic, transparent & shockingly good, and comparable to preamps at $20 000. Please see the review by Kalman Rubinson in the Stereophile. Unit has tiny dent in the back, and some small scratches on the bottom, however overall in excellent condition. About 1 year old or so. Have box , remote, etc. Pay Pal F& F or check & cash if local sale. Seller AudioLibiertarian Date 11/05/23 Price 500.00 USD Category Amplifiers  
  2. View Classified Topping DX7 Pro Mint Awesome dac/preamp/headphone amplifier using Sabre 9038PRO chips. Competes with dac at 10 time its price! Can play files from Bluetooth sources! As new, was sent to me as a replacement from the Apos Audio shop, never used, just sits in the box. Pay Pal Friends & Family only , cash when local (NY area) pick up, or, money order. Will ship at cost. References available from the Ebay, usamart, audiogon... Seller AudioLibiertarian Date 11/05/23 Price 550.00 USD Category Digital to Analog Converters  
  3. Topping DX7S dac/headphone amplifier, has warranty View Classified Awesome Dac/ Headphone amplifier, using two SABRE 9038M chips, one per channel for greater dynamic range and vanishingly low THD. Don't let its low price mislead you: this little unit can compete with most dacs out there many times its price! I settled on this dac after testing IFI PRO IDSD, SMSL D1, Topping D90, SMSL M400, bunch of top of like Gustards, etc. The condition is excellent but has some small scratches on unit's bottom only. Has warranty from APOS & Topping through June 2022, bought from APOS audio. Price with FRIENDS & Family option only , or check after it clears, but much prefer local sale with cash. Price is FIRM. Item is NOT listed on Ebay, but is listed on other audio selling site. EBAY AND AUDIOGON ref are available upon request. Seller AudioLibiertarian Date 01/02/22 Price 400.00 USD Category Digital to Analog Converters  
  4. Based on whats inside of the the 701 I would venture to guess the full "burn-in" would take about 400-500 hours. I had been waiting for its release for almost a year, but Black Friday came and I ve bought the 1704 BB based SMSL D3, but still considering getting the 701. Would appreciate your detailed updates in the future! Thanks!
  5. I'm not using the I2 interface, as there are no audiophile cables worth their salt in that format, so its dual USB cable out of Mac book and Battery power supply. I don't play any DSD files , so can't comment on that either. The D3 is has very basic settings aside for the external clock sync feature, I only use its internal clock....
  6. Also, I have noticed you are using Audio Magic Nexus power filter, those are probably the best current production power filter devices on the market! 👍👍👍 Great LP collection as well!
  7. Cool listening room I must say! The D3 uses just small rubber feet, so i am using Mod Squad feet under it, those are made of special Sorbothane I believe, and will be placing the unit on 2 inch thick Delrin base. The Delrin base on its brass feet will extract another 10-15 % further out of D3. In place of the factory spikes you can buy Walker Audio Valid Points set of 3 and it will improve D2s sound even further.
  8. Also, the 1792 is somewhat different sounding than the 1704 , although there are several variants of the 1704 chips, supposedly each having its own signature. Not having heard them all side by side I m not able to comment which is preferred in a particular situation. Your D2 seems like an excellent dac by any measure though!
  9. The dac chips while very important , are not the only determining factors in dac's sound these days. There are other factors: power supply and overall logic board design, plus firmware robustness, and programming quality of other chips in the circuit is also very important.
  10. Would be great if you could share your observations about the D2 as well....👍
  11. After 20 days of non stop playing , I d say its a VERY refined and musical sounding unit. It is very naturally "organic" (I know its a widely used and abused term, but its term that comes to mind, if you know what actual live classical music sounds like) and nuanced sounding , but does not imbue music with artificial sense of caramel sweetness and "smoothness" that I could not stand with ALL the dacs (regardless of price) that I ve tried that use AKM 4499 chips.... Neither does it have somewhat processed sense of the ESS 9038 based units. The last R2R I ve tried in Feb was Musician Pegasus, and this unit is an a different, much higher sonic league. It does have its own sonic signature however, more to the tune of turntable, also a sense of smoothness somewhat, but it differs from the AKM 4499 based dacs. Its not as "flashy" sounding, more "matter a fact " sound. Its firmware has been stable so far (knock on the wood). Seems like decent amount of engineering and programming has gone into its design. Worth its asking price in my opinion, if you have "high end" ancillary gear to show its full potential. I use mine in a very revealing high end speaker based system. Your tastes in sound may differ than mine, so the above is strictly IMHO. I am keeping the unit in my main music system for long term.
  12. I finally got the D3 in the house (after lengthy transit delays from China & Hong Kong)! Going to put it into second music system for burn in for about 300 hours or two weeks 24/7 . Thus far after playing 20-30 reference tracks it does sounds the most "analogue", and "digitis-free" of any 10-12, or so dacs of various price levels I ve tested within the last 4 -5 years.... Shall report on the D3 sound impressions in couple of weeks.
  13. Anyone has managed to receive one by now? My vendor in China seems to be having long delays with shipping to US, unfortunately....
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