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

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
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Tube-number record

6336

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BrandCSF (Compagnie générale de télégraphie Sans Fil)
ClassPower Double Triode
BaseOctal
Filament6.3 V @ 4.75 mA

Construction

Primary TypeDual triode
EnvelopeGlass
Base MaterialMetal sleeve
Sections2

Filament / Heater

Heater NotesIndirectly heated; Tolerance +/- 10%

Absolute Maximum Ratings

Plate Voltage400 V
Plate Dissipation30 W
Cathode Current300 mA
H-C Voltage300 V

Audio Performance

Key Features
  • Low internal resistance
  • High transconductance
  • Reinforced internal structure
  • Military and professional grade
  • Mechanically robust

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A1 (per element)190 V110002502.7185 mA

Application Notes

Specifically designed as a regulator tube in stabilized power supplies. For fixed bias operation, a resistor must be placed in each anode circuit to ensure a voltage drop of at least 20V.

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