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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

3BQP

0 archive entries

BrandDu Mont
ClassCathode-ray tube
BaseOctal
Filament6.3 V @ 600 mA

Construction

Primary TypeDisplay / CRT
EnvelopeGlass 3 x 1 1/2 inch
SectionsSingle gun

Filament / Heater

Heater Notes0.6 Ampere normalized to 600 mA

Absolute Maximum Ratings

Plate Voltage3000 V
Plate Dissipation6 W
Grid 1 Voltage-125 V
H-C Voltage125 V

Audio Performance

Key Features
  • Flat faceplate
  • Electrostatic deflection
  • Electrostatic focus
  • 9 color-coded leads
  • Uniform glass surface

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
1000V Operation1000 V————
2000V Operation2000 V————

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