Tube-number record
7183
0 archive entries
7183 is a tube type in the TubeDatabase archive (class: Display Storage Tube). Recorded specifications: brand RCA, year 1958, construction Display / CRT, base Plastic, socket Miniature 7-pin (B7G), and maximum plate voltage 10000 V. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassDisplay Storage Tube
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialPlastic
SectionsWriting Gun and Viewing Gun
Filament / Heater
Heater NotesBoth sections use identical heater ratings; 30 sec minimum cathode heating time for viewing gun.
Absolute Maximum Ratings
Plate Voltage10000 V
Grid 2 Voltage2000 V
Grid 1 Voltage-200 V
Cathode Current4.5 mA
H-C Voltage125 V
Audio Performance
Key Features
- Direct-View Type
- Writing Gun: Magnetic Deflection
- Writing Gun: Electrostatic Focus
- Viewing Gun: No Deflection/Focus
- Yellow-Green Phosphorescence
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Viewing Section | 8500 V | — | — | — | 0.6 mA |
| Writing Section | 25 V | — | — | — | 4.5 mA |
Application Notes
Operating Position: Any. Weight approx 1-3/4 lbs. Requires magnetic shielding. Cathode of Writing Gun operates at approx -2500V with respect to Viewing Gun cathode.
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