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7B7 Vacuum Tube New and Used

$23.00
7B7 Vacuum Tube New and Used
7B7 Vacuum Tube New and Used

Home / Shop

7B7 Vacuum Tube New and Used

$23.00
Model Number: 7B7NEW
Remote-cutoff pentode 7B7 loctal vacuum tube with a 6.3V heater rating, available in new old stock (NOS) or tested used options for vintage radio repair and RF/IF amplifier circuits.
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Categories: Vacuum Tubes and Accessories
Manufacturer: Multiple Manufacturers
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  • Description
  • Specifications

The 7B7 is a remote-cutoff pentode vacuum tube designed for RF and IF voltage amplifier stages in radio receivers. Featuring a 6.3V filament rating and an 8-pin lock-in (loctal) base in a glass envelope construction, it provides stable gain control in circuits utilizing automatic volume control (AVC). Manufactured by companies including Sylvania, Philco, RCA, and GE, this tube was extensively used in mid-century Philco and Zenith radio receivers as well as automotive radios.

  • Tube Type: Remote-Cutoff Pentode

  • Base Type: Loctal / Lock-In (8-pin)

  • Envelope Style: Glass T-9

  • Filament Voltage: 6.3 V AC/DC

  • Filament Current: 0.15 A (150 mA)

  • Maximum Plate Voltage: 250 V

  • Plate Dissipation: 1.0 W

  • Transconductance: 1.3 mA/V (1,300 µmhos)

  • Primary Function: RF or IF voltage amplifier with AVC

  • Condition Options: New Old Stock (NOS) or Tested Used