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6EM7 Vacuum Tube New and Used

$9.00
6EM7 Vacuum Tube New and Used
6EM7 Vacuum Tube New and Used

Home / Shop

6EM7 Vacuum Tube New and Used

$9.00
Model Number: 6EM7NEW
6EM7 / KEM7 dissimilar twin triode vacuum tube for television vertical deflection and DIY single-ended audio amplifier stages, featuring a 6.3V 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 6EM7 (frequently referenced with prefixes like KEM7) is a 9-pin miniature dissimilar twin triode designed for TV vertical deflection circuits and popular in DIY single-ended audio and headphone amplifiers. It houses two unequal sections: Section 1 functions as a high-mu voltage amplifier, while Section 2 acts as a heavy-duty power triode. It operates on a 6.3V heater and fits standard 9-pin noval sockets. Available NOS and tested used.

  • Type: Dissimilar Twin Triode (Vertical Deflection Output & Voltage Amplifier / Audio Output)

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

  • Heater Voltage: 6.3V

  • Heater Current: 0.8A

  • Max Plate Voltage (Section 1 / Section 2): 400V / 500V

  • Max Plate Dissipation (Section 1 / Section 2): 1.5W / 10W

  • Amplification Factor (Mu, Sec 1 / Sec 2): 65 / 4.7

  • Transconductance (Sec 1 / Sec 2): 1.9 mA/V / 7.0 mA/V

  • Equivalents & Relatives: 6EM7, KEM7, 6EA7, 6GL7, 12EM7 (12.6V heater version)