Its a 70´s Design Solid-State Amplifier possible to Power with 12V Batteries.
Compare it to the VOX Escort schematic (Coming soon)
Something for the Tremolo Discussion.
http://members.chello.at/anubics/html/SchemaServer.htm
Have fun, analogguru
P.S.: Stay also tuned for the Vintage P-20 FET-All Silicon Transistors Amp schematic.
Thanks a lot. You're giving cool schematics for us.