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14A7/12B7 Vacuum Tube New and Used

$5.00
14A7/12B7 Vacuum Tube New and Used
14A7/12B7 Vacuum Tube New and Used

Home / Shop

14A7/12B7 Vacuum Tube New and Used

$5.00
Model Number: 14A712B7NEW
14A7/12B7 Loktal 8-pin remote-cutoff RF pentode 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 14A7/12B7 is an 8-pin lock-in base (Loktal) remote-cutoff pentode designed for radio frequency (RF) and intermediate frequency (IF) amplifier service in vintage radio receivers. It features an indirectly heated cathode operating on a 12.6V / 14.0V heater supply. Sylvania, RCA, GE, and Philco manufactured the 14A7/12B7 to RETMA specifications using T-9 glass envelopes. It is functionally identical to the 7A7, differing only in its heater voltage rating.

  • Tube Type: Remote-Cutoff RF/IF Pentode

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

  • Envelope: Glass (T-9)

  • Heater Voltage (Vh): 12.6 V / 14.0 V

  • Heater Current (Ih): 0.15 A

  • Maximum Plate Voltage: 250 V

  • Maximum Screen Grid Voltage: 100 V

  • Transconductance (gm): 2000 µmhos

  • Cathode: Indirectly heated