Tube-number record
D13-480
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ClassInstrument Cathode-Ray Tube
Base14-pin all-glass
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesIndirect heating by AC or DC; parallel supply
Absolute Maximum Ratings
Plate Voltage2200 V
Grid 2 Voltage2200 V
Grid 1 Voltage-200 V
H-C Voltage125 V
Audio Performance
Key Features
- 13 cm diameter
- Flat faced
- Electrostatic focusing
- Double electrostatic deflection
- Symmetrical x plates
- Symmetrical y plates
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Monoaccelerator | 2000 V | — | — | — | 0.01 mA |
Application Notes
The tube should not be supported by the base alone. Use of low impedance deflection plate drive is desirable if full deflection is used.
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