Book Synopsis
The V117 Sovereign Repair Supplement contains information helpful in repairing the Thomas Organ Vox V117 "Sovereign" bass amplifier. It extends the more general how-it-works information contained in the Vox Owner's Safety Net with V117-specific schematics, parts lists, board diagrams and other info on this one model. It is much more than a copy of the original factory schematics, and includes entirely redrawn schematics and board diagrams as well as working voltages taken from simulations of the circuits. This allowed sidestepping the occasional error in the original Thomas Organ service information.
This information is suitable for the owner of a Sovereign who wants to keep his amp running, or the service professional who may need a whole set.