A power amplifying valve made for BSA Radio Ltd by Standard Telephones & Cables Ltd.

Operating data:

Filament Supply Voltage - 6 volts

Filament Current - 0.12 amps

Plate voltage - 130 volts max

Amplification factor - 6.5

Impedance - 6000 ohms.

Click the thumbnail shown opposite to see the data sheet that came with this valve.