Tube-number record
12QP4
0 archive entries
12QP4 is a tube type in the TubeDatabase archive (class: Cathode Ray Picture Tube). Recorded specifications: brand TUNG-SOL, year 1950, construction Display / CRT, socket Duodecal, and maximum plate voltage 12000 V. The archive does not yet hold a photographed example of this type.
BrandTUNG-SOL
ClassCathode Ray Picture Tube
BaseDuodecal
Filament6.3 V @ 0.6 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage12000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical | 10000 V | — | — | — | — |
Application Notes
Direct-view picture tube intended for use in television receivers. Provides for a picture 7 1/2" x 10".
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