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6R7 and 6R7G Vacuum Tube New and Used

$3.00
6R7 and 6R7G Vacuum Tube New and Used
6R7 and 6R7G Vacuum Tube New and Used

Home / Shop

6R7 and 6R7G Vacuum Tube New and Used

$3.00
Model Number: 6R7NEW
Duplex-diode medium-mu triode 6R7 and 6R7G vacuum tubes 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 6R7 and 6R7G are duplex-diode medium-mu triode vacuum tubes designed for detector, AVC (automatic volume control), and audio driver 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, offered in metal envelope (6R7) or shoulder-style ST glass envelope (6R7G) construction. Used for servicing vintage radio chassis, early audio equipment, and communications receivers requiring combined detection and audio voltage amplification.

  • Tube Type: Duplex-Diode Medium-Mu Triode

  • Base Type: Octal (8-pin) with Top Grid Cap

  • Envelope Style: Metal (6R7) or ST-12 Shoulder Glass (6R7G)

  • Filament Voltage: 6.3 V AC/DC

  • Filament Current: 0.3 A (300 mA)

  • Maximum Plate Voltage: 250 V

  • Amplification Factor: 16

  • Transconductance: 1,900 µmhos

  • Primary Function: Detector, AVC diode, and audio driver stage amplifier

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