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Op-Amp swap on Rotel RA-931 ( OPA2604 to AD827 )

Posted by AudiophileBob (A) on March 1, 2005 at 09:30:49

I'm toying with swapping out the linestage Op-Amps on my Rotel RA931.
It has been suggested that going from the OPA2604 to the AD827 would be a sonic improvement. I like a warm, tubey sound.

Has anyone done this or a similar tweak ?
Any and all suggestions and ideas are appreciated.

Also looking for a RA-931 schematic.

Thanks in advance.

-Bob

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