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6EH8

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BrandGeneral Electric
ClassTriode-Pentode
BaseNoval (B9A)
Filament6.3V @ 0.45mA

Construction

Primary TypeMulti-section
EnvelopeT-6 1/2 Glass
Base MaterialGlass
Sections2

Filament / Heater

MaterialCoated Unipotential
Warm-up Time11s
Heater NotesControlled heater-warm-up characteristic

Absolute Maximum Ratings

Plate Voltage300 V
Plate Dissipation2.8 W
Grid 2 Voltage300 V
H-C Voltage200 V

Audio Performance

Key Features
  • Sharp-cutoff pentode
  • Controlled heater warm-up
  • Miniature tube
  • VHF Converter

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Pentode Section100V6500--12mA
Pentode Section125V6000---
Triode Section125V75001700004013.5mA

Application Notes

Intended primarily for use as a combined triode oscillator and pentode mixer in television receivers.

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