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Tube Database (7,341 tube types · 1,270 archive entries)

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Tube-number record

RK-12

0 archive entries

BrandRaytheon
ClassTriode Power Amplifier

Construction

Primary TypeTriode
EnvelopeGlass
Base MaterialIsolantite
Sections1

Filament / Heater

MaterialThoriated tungsten

Absolute Maximum Ratings

Plate Voltage750 V
Plate Dissipation25 W
Cathode Current105 mA

Audio Performance

Power Output100 W
Key Features
  • Thoriated tungsten filament
  • Isolantite base
  • High-mu triode

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class C Telegraphy750 V———105 mA
Class B Audio (Two Tubes)750 V—9600—200 mA
Class C Telephony (Plate Modulation)600 V———

Application Notes

Designed for use as a power amplifier, oscillator or frequency multiplier. Maximum ratings apply up to 60 megacycles.

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    83 mA