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Original Plinius Sa-100 series amps for Shahinians

I have read in the archives much about the hum problem of these amps. I am looking for an amp for Shahinian Diapasons. Apparently the hum problem was fixed with the Mk3's use of two power transformers. There happens to be a Mk2 available right now on the GON. How bad was this problem and how expensive would it be to have it upgraded to the MK3 version if it was needed? Were there any other sonic differences between the Mk2 and Mk 3?
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baranyi OP
717 posts
 
Stringreen,
Do you know which Plinius that he bought? I live in Chicago so this would be of particular concern. Bob
baranyi's avatar
baranyi OP
717 posts
 
This is making me scratch my head a bit! Dick Shahinian Recommends the amp and many say the amps hum. My concern is that my Beveridge 2sw's also hum here in the middle of the Windy City! Concerned about the hum making a repeat performance! Bob
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