Tube-number record
7AJP-
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BrandDuMont
ClassCathode-Ray Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeMagnetic focus and deflection
EnvelopeGlass, Square Face
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage16000 V
Plate Dissipation8 W
Grid 2 Voltage700 V
Grid 1 Voltage200 V
H-C Voltage180 V
Audio Performance
Key Features
- Square face
- Magnetic focus
- Magnetic deflection
- Metal backed screen
- Extended neck
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard Operation | 14000 V | — | — | — | — |
Application Notes
The extended neck accommodates more than one deflection coil. Metal backed screen increases light output and minimizes spurious charges.
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