(12-12-2014, 06:02 PM)beedoola Wrote: Which resistor was replaced for the mod and what are the specs of the trim pot? - voltage tolerance?The resistor is at R49. The schematic states a value of 75K. What I found in my amp was a 1/4watt 68K...obviously not original! The trim pot has a voltage rating of 300v and 1/2-watt power rating.
Here's a link at the Mouser site for this trim pot:
http://www.mouser.com/ProductDetail/Bour...fYz1nVU%3d