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7C6 Vacuum Tube New and Used

$15.00
7C6 Vacuum Tube New and Used
7C6 Vacuum Tube New and Used

Home / Shop

7C6 Vacuum Tube New and Used

$15.00
Model Number: 7C6NEW
Duo-diode high-mu triode 7C6 loctal vacuum tube with a 6.3V heater rating, available in new old stock (NOS) or tested used options for vintage radio repair, detector-AVC, and audio preamplifier circuits.
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Categories: Vacuum Tubes and Accessories
Manufacturer: Multiple Manufacturers
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  • Description
  • Specifications

The 7C6 is a duo-diode high-mu triode vacuum tube designed for AM detection, automatic volume control (AVC), and audio voltage amplification in radio receivers. Featuring a 6.3V filament rating with a low 150mA current draw, it 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, Zenith, and battery-operated or transformerless AC/DC radio chassis as a detector and first audio amplifier stage.

  • Tube Type: Duo-Diode High-Mu Triode

  • 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 (Triode)

  • Plate Dissipation: 0.5 W (Triode)

  • Amplification Factor (µ): 100

  • Transconductance: 1.0 mA/V (1,000 µmhos)

  • Primary Function: AM detector, AVC rectifier, and first audio voltage amplifier stage

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