Tube-number record
3BQP
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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
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| 1000V Operation | 1000 V | — | — | — | — |
| 2000V Operation | 2000 V | — | — | — | — |
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