UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Roberts R200- Distorted Output

TrevorG3VLF · 22nd Aug 2013, 12:02 pm

There is plenty of emitter voltage on TR4 so it could be replaced by a silicon transistor. If this cures the problem, then a germanium transistor could be sought.

A scope is the easy way to go, it would be good to find if the output stage is running one-legged.

22nd Aug 2013, 12:02 pm	#19
TrevorG3VLF Rest in Peace Join Date: Apr 2011 Location: Matlock, Derbyshire, UK. Posts: 1,378	Re: Roberts R200- Distorted Output There is plenty of emitter voltage on TR4 so it could be replaced by a silicon transistor. If this cures the problem, then a germanium transistor could be sought. A scope is the easy way to go, it would be good to find if the output stage is running one-legged.