Please send white paper. Thanks for the info!
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I have found that for CD sound upgrade, I put a Perpetual Technology P3A 24bit D2A converter in line. Improvement was adequate over the Sony internal DAC. Then I upgraded the power supply on the P3A to the optional power supply - WOW - What an improvement!!
The PT P3A is the most inexpensive element in my entire system, but it did the most to improve the sound out of the SCD1!
Worth a try, and they do offer the 30 day return.
(FYI - I am not a dealer and do not have any financial ties to PT - just one heck of a happy customer.)
Hi all. I performed the Musicoat upgrade that audio_optimizer recommended on my SCD-777ES. I treaded all integrated circuit chips, disk shaped capacitors (not can style), axle leaded resistors, diodes, and diode heat shinks. This stuff ($105 shipped) really works. The digital hash is gone, I hear the air pulsating through the wind instruments, the decay is enhanced, i also hear the performer take a breath which I couldn't hear previously (enhanced resolution) on my reference disk, and I know the background noise is lower (I can hear more hiss on a super quiet passage I didn't hear before). I can now increase the volume on my Aloia amp/preamp without hearing so much digital grit/sizzle. Will order more to do amp and preamp. System includes Talon Khorus, 777, Aloia, and Audio Tekne cables. Thanks, Mike