~ of LONDON ~
Our Current Stock of Guitars For Sale is HERE
An immaculate, and very rare 1963 Burns TR-2 in Red Sunburst finish, featuring Ultra Sonic pickups, Van Gent Tuners and Burns Mark 9 Vibrato Unit.
This was the first production guitar worldwide to boast onboard battery-powered active tone-boost circuitry.
Widely-considered a 'Semi-Acoustic', this is actually a Semi-Solid Guitar, with solid (not pressed laminate) carved top and back on a routed solid central frame:
Here is a link to a Schematic Circuit Diagram
taken from Per Gjörde's "Pearls & Crazy Diamonds" book.
Link to VIDEO of Unit Four Plus Two playing similar matching Vibrasonic Guitars & Bass in 1965