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BrandRCA
ClassR-F Power Amplifier Pentode
BaseGiant 5-Pin Micanol, Bayonet

Construction

Primary TypePentode
EnvelopeT-20
Base MaterialMicanol
Sections1

Filament / Heater

MaterialThoriated Tungsten

Absolute Maximum Ratings

Plate Voltage2000 V
Plate Dissipation125 W
Grid 2 Voltage600 V
Grid 1 Voltage-500 V
Cathode Current175 mA

Audio Performance

Key Features
  • Thoriated Tungsten Filament
  • Suppressor-Modulated
  • Grid-Modulated
  • Plate-Modulated
  • Pentode and Tetrode connection modes

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
R-F Power Amplifier - Class B Telephony2000V4000--80mA
R-F Power Amplifier & Oscillator - Class C Telegraphy2000V4000--160mA

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