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

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Tube-number record

GI-41

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ClassPulse Triode
BaseCoaxial
Filament6.3 V @ 1300 mA

Construction

Primary TypeTriode
Envelopemetal-ceramic
Sections1

Filament / Heater

Materialoxide-coated
Warm-up Time60s
Heater NotesIndirectly heated

Absolute Maximum Ratings

Plate Voltage3000 V
Plate Dissipation40 W
Grid 1 Voltage-250 V
Cathode Current2600 mA

Audio Performance

Key Features
  • Metal-ceramic envelope
  • Pulse oscillation
  • RF amplification
  • Microwave frequency operation

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Pulse Anode Keying2800 V23000——2500 mA

Application Notes

Designed for generation and amplification of RF oscillations with peak output power up to 1.5 kW with anode modulation at frequencies up to 3,000 MHz.

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