View Single Post
Old 10th Oct 2021, 7:53 pm   #26
Hartley118
Nonode
 
Hartley118's Avatar
 
Join Date: Aug 2015
Location: Cambridge, Cambs. UK.
Posts: 2,198
Default Re: Pye, Black Box Mk1 1954, cartridge.

Amplifier gain is mainly determined by the feedback resistors R16, R4 and associated capacitors. Are they all OK? In particular, has R4 gone high? As I mentioned, you can always play with the values, say increasing R16, to reduce the feedback and increase the gain.

Martin
__________________
BVWS Member
Hartley118 is offline