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12K5 Vacuum Tube New and Used

$5.00
12K5 Vacuum Tube New and Used
12K5 Vacuum Tube New and Used

Home / Shop

12K5 Vacuum Tube New and Used

$5.00
Model Number: 12K5NEW
12K5 space-charge grid tetrode vacuum tube with 12.6V heater and 9-pin miniature base.
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Categories: Vacuum Tubes and Accessories
Manufacturer: Multiple Manufacturers
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  • Description
  • Specifications

The 12K5 is a glass space-charge grid tetrode vacuum tube designed specifically for low-voltage power amplifier service in 12-volt automotive audio systems. Operating directly from a 12V storage battery without a high-voltage B+ power supply, it features a 9-pin miniature base (Noval) and a 12.6V heater rating. Available in new old stock (NOS) and tested used conditions.

  • Type: Space-Charge Grid Tetrode

  • Base: 9-Pin Miniature (Noval, EIA 9DA layout)

  • Heater: 12.6V / 0.4A

  • Max Plate Voltage: 16V

  • Max Plate Dissipation: 1.5W

  • Max Space-Charge Grid Voltage (Grid 1): 16V

  • Equivalents: 12K5GT (non-standard variant designation)