20DP4
0 Tubes in archive
BrandTung-Sol
ClassCathode Ray Picture Tube
BaseSmall Shell Duodecal 5-Pin
Filament6.3V @ 600mA
Construction
Primary TypeMagnetic Focus and Deflection
EnvelopeRectangular Glass
Base MaterialSmall Shell Duodecal 5-Pin (B5-57)
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage18000 V
Grid 2 Voltage410 V
Grid 1 Voltage-125 V
H-C Voltage180 V
Audio Performance
Key Features
- Unipotential Cathode
- Spherical Faceplate
- Grey Filter Faceplate
- External Single Field Ion Trap
- Magnetic Focus and Deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 16000V | - | - | - | - |
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