Tube-number record
7XP
0 archive entries
7XP is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand Electronic Tube Corp., construction Multi-section, socket 5-pin, maximum plate voltage 4400 V, and maximum plate dissipation 6 W. The archive does not yet hold a photographed example of this type.
BrandElectronic Tube Corp.
ClassCathode Ray Tube
Base5-pin
Filament6.3 V @ 3000 mA
Construction
Primary TypeMulti-section
EnvelopeGlass
Sections5
Filament / Heater
Heater NotesCurrent is estimated for 5 guns (0.6A per gun)
Absolute Maximum Ratings
Plate Voltage4400 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Post-Accelerator Operation | 4000 V | — | — | — | 0.025 mA |
Application Notes
The ETC Type 7XP is a seven inch diameter, five gun cathode ray tube. Each gun is independently controllable and scans the whole screen area. Post-accelerator ratio should be limited to 2.0 for optimum performance.
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