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Tube-number record

1F34

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BrandTESLA
ClassRemote-cutoff RF pentode

Construction

Primary TypePentode
EnvelopeGlass
Sections1

Filament / Heater

Materialoxide-coated

Absolute Maximum Ratings

Plate Voltage90 V
Plate Dissipation0.35 W
Grid 2 Voltage67.5 V
Cathode Current5.5 mA

Audio Performance

Key Features
  • Directly heated cathode
  • Remote-cutoff characteristic
  • Battery powered operation
  • RF/IF amplification

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
RF/IF amplifier 145 V650350000—1.7 mA
RF/IF amplifier 267.5 V750250000—3.4 mA
RF/IF amplifier 390 V700800000—1.8 mA

Datasheets

Datasheet: 1F34.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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    RF/IF amplifier 490 V7505000004003.5 mA