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6BK5 Vacuum Tube New and Used

$4.00
6BK5 Vacuum Tube New and Used
6BK5 Vacuum Tube New and Used

Home / Shop

6BK5 Vacuum Tube New and Used

$4.00
Model Number: 6BK5NEW
6BK5 beam power pentode vacuum tube for radio and television audio power output stages, featuring high power sensitivity, a 6.3V heater, and a 9-pin miniature base.
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Categories: Vacuum Tubes and Accessories
Manufacturer: Multiple Manufacturers
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  • Description
  • Specifications

The 6BK5 is a 9-pin miniature beam power pentode designed primarily for use as an audio power output stage in television receivers and compact broadcast radio sets. Known for high power sensitivity and high efficiency, it delivers strong audio output power at relatively low plate and screen supply voltages. Operates on a 6.3V heater and fits standard 9-pin noval sockets. Available NOS and tested used.

  • Type: Beam Power Pentode (Audio Power Output)

  • Base: 9-Pin Miniature Noval (EIA 9CK / B9A)

  • Heater Voltage: 6.3V

  • Heater Current: 1.2A

  • Max Plate Voltage: 250V

  • Max Screen Grid Voltage: 250V

  • Max Plate Dissipation: 9.0W

  • Transconductance: 8.5 mA/V (8500 micromhos)

  • Audio Power Output: ~3.5W (Single-Ended Class A)

  • Equivalents & Relatives: 6BK5, 12BK5 (12.6V heater version)