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BrandSylvania
ClassGas Triode
BaseOctal
Filament6.3V @ 600mA

Construction

Primary TypeGas Triode
EnvelopeST-12
Sections1

Filament / Heater

Heater NotesIndirect heating; 30 seconds warmup time required before plate current application.

Absolute Maximum Ratings

Plate Voltage300 V
Cathode Current3 mA
H-C Voltage100 V

Audio Performance

Key Features
  • Gas-filled
  • Indirectly heated
  • Grid-controlled

Application Notes

Designed for use as sweep circuit oscillators or grid-controlled rectifiers. Grid resistance should be 1000 ohms minimum per volt of instantaneous grid voltage. Maximum grid resistance 500,000 ohms.

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