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7B5 Vacuum Tube New and Used

$3.00
7B5 Vacuum Tube New and Used
7B5 Vacuum Tube New and Used

Home / Shop

7B5 Vacuum Tube New and Used

$3.00
Model Number: 7B5NEW
Beam power amplifier 7B5 loctal vacuum tube with a 6.3V heater rating, available in new old stock (NOS) or tested used options for vintage radio repair and audio power output circuits.
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Categories: Vacuum Tubes and Accessories
Manufacturer: Multiple Manufacturers
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  • 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