In a message to Al Thompson  Edward Arndt wrote:
EA>  After reading this, I had to look at the schematic from my Super.
EA>  It's not like the original Super Reverb, which is what I wanted,
EA>  but the print says '93 Super/Concert.  This is supposed to have
EA>  the 59 bassman chassis as well, along with the original 4x10.
EA>  It's looks like the power supply is completely solid state including
EA>  rectum-fryers, regulators and zenor diodes.  Also notice some
EA>  solid state diodes in the final output it looks to be for output
EA>  safety.  The channel /reverb switching section seems to have some
EA>  quite a few diodes and even a couple 4560 IC's...
My opinion is that the components in the power supply section don't affect 
the sound.  After all, a regulated DC voltage is a regulated DC voltage.  If 
the original power supply was under-rated and the new one had higher current 
capacity, then I COULD see how it could affect the sound in comparison to 
each other at full power.
As for having ICs, I would HOPE that they are used only for channel and 
reverb switching.  I certainly wouldn't want one in the signal path. Anything 
in the signal path will affect the sound, but if it's only used as a 
replacement for a mechanical switch you won't notice a difference, unless you 
like hearing "pop" when you move a switch.
As for diodes on the outputs - I can see how that could affect the sound 
quite a bit.  An adventerous person would simply snip them out of there and 
see how it sounded.  A more cautious person would ask someone more familiar 
with the current design if it would be immediately harmful to try it.  
 
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