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In Reply to: Panasonic sa xr 45, how does it work, sound, vs PS Audio posted by Tom C on January 3, 2004 at 13:01:18:
To this point I'm not getting much on how the Panasonic unit works. From the PS Audio site there is a descrition of how their digital amp works, summarized chain;CD Data (Pulse Code Modulation) -> D/A conversion -> Pre-amp analog amplification-> HCA-2 (Pulse Width Modulation -> Transistors) -> Speaker outputs
My guess about the Panasonic unit;
CD Data (Pulse Code Modulation) -> Convert to Pulse Width Modulation -> Modify Pulse width for volume -> Transistors -> Speaker outputs
If this is true, it would seem very beneficial.However this is similar to how the Tact amplifier works, which I have heard on huge Tact ribbon speakers. I was not that impressed, as no sonic nirvana emerged.
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- How does it work? - Tom C 01/3/0418:47:42 01/3/04 (0)
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