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Old 2nd November 2009, 08:01 PM
Gerry Gerry is offline
Senior Member
Join Date: Jan 2006
Location: Suffolk
Posts: 453
Default Re: Phono 3 with 5751 valves


I use them in my Phono II and wouldn't go I can well believe they work well in the III.
The drop in gain has never worried me, in fact I saw it as a benefit as the noise floor(hiss) dropped.
I didn't make any adjustments to the circuit or components, but it looks as if the III is somewhat different with a trim pot for 3.18uS RIAA equalization?

Anyway interesting reading...many thanks.
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