My trusted Magnavox 650 (1986) lists distortion of 0.001% at 0dBfs and 
0.03% at -15dBfs IIRC. I remember a session with Ben Bernfeld (Weiss) 
listening to a piano recorded at -70. Could barely make out what it was. 
Dither helped. That was when I realized why I loved analog over 16 bit 
digital.
Shai
בתאריך 19/10/12 6:31 PM, ציטוט Tom Fine:
> Bottom line, the biggest crock ever is "90dB dynamic range" -- that's 
> a useless number representing a useless idea. Plus, given the 
> switching distortion that takes place in the low-level digital bits, 
> it's doubly useless in the digital age. Dither was invented 
> specifically to avoid true 90dB dynamic range, so the low bits don't 
> audibly switch off to digital black.

-- 
בברכה,
שי דרורי
מומחה לשימור והמרה של אודיו וידאו וסרטים 8-35 ממ.