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7B5 Vacuum Tube New and Used

- Description
- Specifications
The 7B5 is a beam power amplifier vacuum tube designed for low-plate-voltage audio output stages in radio receivers, mobile equipment, and automobile receivers. Manufactured by companies including Sylvania, Philco, RCA, and GE, this tube features a 6.3V filament rating and an 8-pin lock-in (loctal) base in a glass envelope construction. Used for servicing vintage radio chassis, broadcast receivers, and audio power output stages requiring efficient performance at moderate plate voltages.
Tube Type: Beam Power Amplifier
Base Type: Loctal / Lock-In (8-pin)
Envelope Style: Glass T-9
Filament Voltage: 6.3 V AC/DC
Filament Current: 0.4 A (400 mA)
Maximum Plate Voltage: 250 V
Plate Dissipation: 9.0 W
Transconductance: 3.0 mA/V (3,000 µmhos)
Primary Function: Audio power output amplifier stage
Condition Options: New Old Stock (NOS) or Tested Used