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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

4062-A

0 archive entries

BrandStandard Valves
ClassTriode
Base4-pin

Construction

Primary TypeTriode
EnvelopeGlass
SectionsSingle

Filament / Heater

MaterialThoriated Tungsten

Absolute Maximum Ratings

Plate Voltage2000 V
Plate Dissipation75 W
Cathode Current123 mA

Audio Performance

Power Output150 W
Key Features
  • Thoriated Tungsten filament
  • Constant voltage type
  • Low loss base

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class B A.F. Amp. and Mod. (Max Signal)2000 V1000220002270 mA
Class B Telephony (Modulated Carrier)2000 V———56 mA
Class C Telephony (Anode Modulation)1500 V———

Application Notes

Max frequency for above ratings 15 Mc. Class B A.F. Modulator values for 2 valve balanced circuit.

Filters

0 tubes found

Manufacturers

Brands

    0 results
    75 mA
    Class C Telegraphy (Unmodulated)2000 V———81 mA