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Tube Database (1,270 tubes)

Other (7066), Pre (189), Power (67), Rectifier (19)
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TRIODE

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ClassPower Triode
BaseBritish 5 pin
Filament4V @ 1.1mA

Construction

Primary TypeTriode
EnvelopeGlass
Sections1

Filament / Heater

Heater NotesIndirectly-heated oxide-coated

Absolute Maximum Ratings

Plate Voltage200 V
Plate Dissipation10 W
Cathode Current50 mA

Audio Performance

Power Output12.5 W
Key Features
  • Indirectly-heated
  • Oxide-coated cathode

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A Amplifier200V500020001040mA
Class B Power Amplifier (2 valves)200V---50mA

Application Notes

Used as Audio Frequency Class A Amplifier or Class B Power Amplifier/Modulator.

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