The Sylvania Type 12BR7 is a miniature high mu triode duo diode intended for application in monochrome and color television receivers. SYLVANIA ELECTRONIC ...
Tube type · Double Diode-Triode ; Identical to, 12BR7 ; Base, Noval, 9 pin miniature (USA pico-9) B9A ; Filament, Vf 12.6 Volts / If 0.225 Ampere / Indirect.
THE 12BR7 CONTAINS TWO HIGH PERVEANCE DIODES AND A MEDIUM-MU TRIODE IN. ONE ENVELOPE USING THE 9 PIN MINIATURE CONSTRUCTION. THE DIODES HAVE.