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Simaudio PSP phono amp mods?
Simaudio PSP phono amp mods?
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Old 14th September 2006, 03:00 PM   #1
BlownRx7 is offline BlownRx7  United States
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Join Date: Sep 2004
Location: CT
Default Simaudio PSP phono amp mods?

I have a Sim Audio PSP phono preamp.
After opening it up, one quickly realizes they charge a boat load of money for a nice chassis and not too much else...
Anyway, I was thinking of upgrading parts on it.
Also, it's output is way too high for my Grado Platinum and I would like to lower the gain.
Only problem is I am clueless as to what to change.
Can anyone help with this? I included a top side photo.
I'll include a bottom side photo in my next post.

I was even thinking of tossing the bd and putting something else in it's place. But I want to try improving the present board first. Suggestions?

TIA
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Old 14th September 2006, 03:05 PM   #2
BlownRx7 is offline BlownRx7  United States
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Join Date: Sep 2004
Location: CT
Default 2nd half of bd

Left half of Bd

TLE2071AG op amps on output

OP37G on input

Can I swap anything better in or will I mess something up?
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