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6SR7 Vacuum Tube New and Used

$3.50
6SR7 Vacuum Tube New and Used
6SR7 Vacuum Tube New and Used

Home / Shop

6SR7 Vacuum Tube New and Used

$3.50
Model Number: 6SR7NEW
Duplex-diode medium-gain triode 6SR7 vacuum tube with a 6.3V heater rating, available in new old stock (NOS) or tested used options for vintage radio repair and detector-driver circuits.
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Categories: Vacuum Tubes and Accessories
Manufacturer: Multiple Manufacturers
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  • Description
  • Specifications

The 6SR7 is a duplex-diode medium-gain triode vacuum tube designed for detector, automatic volume control (AVC), and audio driver or voltage 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. Used for servicing vintage radio chassis, broadcast receivers, and audio signal processing circuits requiring detector capability combined with moderate voltage amplification.

  • Tube Type: Duplex-Diode Medium-Gain Triode

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

  • Envelope Style: Metal (6SR7) or Glass T-9 (6SR7GT)

  • Filament Voltage: 6.3 V AC/DC

  • Filament Current: 0.3 A (300 mA)

  • Maximum Plate Voltage: 250 V

  • Plate Dissipation: 2.5 W

  • Amplification Factor: 16

  • Transconductance: 1.9 mA/V

  • Primary Function: Detector, AVC diode, and medium-gain audio driver stage

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