Not actually required as a mechanical problems on a Marshall "Valvestate"
VS65R. But I cannot find any details on the main components , ready for next
time, or for anyone else coming across them , any pointers ?

Marshall T65 and its compliment T64A (curiously one suffixed A only), TOP66
package
Motorola MJF 22 , also marked R91, TO220 package, not found on Motorola site

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Diverse Devices, Southampton, England
electronic hints and repair briefs , schematics/manuals list on
http://home.graffiti.net/diverse:graffiti.net/