Tube-number record
M31-130W
0 archive entries
M31-130W is a tube type in the TubeDatabase archive (class: Monitor Tube). Recorded specifications: construction Display / CRT, socket CRT base (B8H), and maximum plate voltage 18000 V. The archive does not yet hold a photographed example of this type.
ClassMonitor Tube
BaseCRT base (B8H)
Filament6.3 V @ 306 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular glass
Sections1
Filament / Heater
Heater NotesIndirect by a.c. or d.c.; parallel supply
Absolute Maximum Ratings
Plate Voltage18000 V
Grid 2 Voltage800 V
Grid 1 Voltage-150 V
H-C Voltage250 V
Audio Performance
Key Features
- Metal-backed screen
- Rectangular television tube
- Magnetic deflection
- Electrostatic focusing
- High resolution
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Monitor Operation | 16000 V | — | — | — | 0.05 mA |
Application Notes
Primarily intended for use as a monitor or display tube. Mounting position: any, except vertical with the screen down and the axis of the tube making an angle of less than 20 degrees with the vertical.
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