Tube-number record
1CP31
0 archive entries
1CP31 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand Electronic Tubes Limited (ETEL) and construction Display / CRT. The archive does not yet hold a photographed example of this type.
BrandElectronic Tubes Limited (ETEL)
ClassCathode Ray Tube
Filament6.3 V @ 550 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Sections1
Filament / Heater
Absolute Maximum Ratings
H-C Voltage250 V
Audio Performance
Key Features
- Inexpensive
- Automatic beam focusing
- Low operating voltage
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard Monitoring | 500 V | — | — | — | — |
Application Notes
Waveform monitoring facilities for existing equipment and new designs.
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