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6EM7 Vacuum Tube New and Used

- 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)