Modding a Pre/Pro.
Comments
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The T753 is an AVR (I think) - the T163 is a pre/pro. I would venture a guess though that they have a similar design and if you take the cover off your 753 and they have NJM 4552 chips as the DSP - you could replace them as I did. (at least on the pre-out board where I changed mine).
Open it up and see what is in there....
I would recommend getting the service manual for your AVR before you start tearing into it. You can pick it up here for $15.00
MichaelMains.............Polk LSi15 (Cherry)
Center............Polk LSiC (Crossover upgraded)
Surrounds.......Polk LSi7 (Gloss Black - wood sides removed and crossovers upgraded)
Subwoofers.....SVS 25-31 CS+ and PC+ (both 20hz tune)
Pre\Pro...........NAD T163 (Modded with LM4562 opamps)
Amplifier.........Cinepro 3k6 (6-channel, 500wpc@4ohms)
