Marshall JMP 50 Watt Plexi Head 1987 Circuit 1967, Black

You might recognize this Marshall from being pictured in the Sturgill Simpson album artwork for "Sound and Fury". This is the main amp featured on the record, and is owned by producer, touring / studio band member, keys & B3 player- Bobby Emmett. The filter caps have were replaced in the 90's. A few coupling caps, 2 pots, and a handful of resistors have been changed as well. The lay-down style power transformer has been replaced with a modern vertical type. Please see internal pictures of the circuit board for further details.