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6JL8

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BrandRaytheon
ClassTriode-Pentode
Base9-pin Miniature
Filament6.3V @ 750mA

Construction

Primary TypeTriode-Pentode
EnvelopeT-6 1/2 glass
Base MaterialGlass
Sections2

Filament / Heater

Heater NotesHeater-cathode type miniature tube

Absolute Maximum Ratings

Plate Voltage330 V
Plate Dissipation5 W
Grid 2 Voltage175 V
H-C Voltage200 V

Audio Performance

Typical THD10%
Power Output1.8 W
Key Features
  • Sharp cut-off pentode
  • Medium mu triode
  • Controlled heater warm-up (8JL8 version)

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Triode Section150V470075003510mA
Pentode Section300V1150060000-25mA

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