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14N7 Vacuum Tube New and Used

$3.00
14N7 Vacuum Tube New and Used
14N7 Vacuum Tube New and Used

Home / Shop

14N7 Vacuum Tube New and Used

$3.00
Model Number: 14N7NEW
14N7 Loktal 8-pin medium-mu twin-triode tube for vintage radio circuits. Available in new and used condition.
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Categories: Vacuum Tubes and Accessories
Manufacturer: Multiple Manufacturers
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  • Description
  • Specifications

The 14N7 is an 8-pin lock-in base (Loktal) medium-mu twin-triode tube designed for voltage amplifier, phase inverter, and oscillator service in vintage radio receivers and audio equipment. It features two independent triode units operating on a 12.6V / 14.0V heater supply. Sylvania, RCA, GE, and Philco manufactured the 14N7 to RETMA specifications using T-9 glass envelopes. It is functionally equivalent to the 7N7, differing only in its heater voltage rating.

  • Tube Function: Medium-Mu Twin Triode (Two amplifier units in one glass bulb)

  • Base Design: 8-Pin Lock-In (Loktal / B8G)

  • Glass Shape: T-9

  • Heater Power: 12.6 Volts / 14.0 Volts

  • Heater Draw: 0.15 Amps

  • Maximum Plate Voltage: 250 Volts

  • Gain (Amplification): 20

  • Signal Strength (Mutual Conductance): 3,000 micromhos

  • Cathode Heating Method: Indirect