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7N7 Vacuum Tube New and Used

$18.00
7N7 Vacuum Tube New and Used
7N7 Vacuum Tube New and Used

Home / Shop

7N7 Vacuum Tube New and Used

$18.00
Model Number: 7N7NEW
Remote-cutoff pentode 7N7 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 7N7 is a remote-cutoff pentode vacuum tube designed for high-frequency RF and IF amplifier stages in superheterodyne radio receivers and communications equipment. Electrically equivalent to the 6SK7 octal tube, it features a 6.3V filament rating with a 300mA current draw and utilizes an 8-pin lock-in (loctal) base in a glass envelope construction. Manufactured by companies including Sylvania, Philco, RCA, and GE, this tube was widely used in mid-century Philco and Zenith radio chassis requiring stable gain control and low cross-modulation in variable-gain receiver stages.

  • 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: 0.3 A (300 mA)

  • Maximum Plate Voltage: 300 V

  • Plate Dissipation: 2.5 W

  • Transconductance: 3.5 mA/V (3,500 µmhos)

  • Primary Function: High-frequency RF or IF voltage amplifier with AVC

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