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6SF7 Vacuum Tube New and Used

$7.00
6SF7 Vacuum Tube New and Used
6SF7 Vacuum Tube New and Used

Home / Shop

6SF7 Vacuum Tube New and Used

$7.00
Model Number: 6SF7NEW
Diode-remote-cutoff pentode 6SF7 vacuum tube with a 6.3V heater rating, available in new old stock (NOS) or tested used options for vintage radio repair and detector-amplifier circuits.
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Categories: Vacuum Tubes and Accessories
Manufacturer: Multiple Manufacturers
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  • Description
  • Specifications

The 6SF7 is a single diode-remote-cutoff pentode vacuum tube designed for combined detector, AVC (automatic volume control), and IF/RF amplifier applications in radio receivers. Units are available in both new old stock (NOS) and tested used conditions. Manufactured by companies including RCA, Sylvania, GE, and Raytheon, these tubes feature a 6.3V filament rating and an octal base design in a metal envelope without a top grid cap. Used for servicing vintage radio chassis, communications receivers, and signal processing circuits requiring automatic gain control with detection capabilities.

  • Tube Type: Diode-Remote-Cutoff Pentode

  • Base Type: Octal (8-pin metal envelope)

  • Filament Voltage: 6.3 V AC/DC

  • Filament Current: 0.3 A (300 mA)

  • Maximum Plate Voltage: 250 V

  • Transconductance: 2,050 µmhos

  • Primary Function: Detector, AVC diode, and RF/IF voltage amplifier

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