Tube-number record
A56-1017X
0 archive entries
A56-1017X is a tube type in the TubeDatabase archive (class: Color Picture Tube). Recorded specifications: construction Display / CRT, socket 13-pin, and maximum plate voltage 27500 V. The archive does not yet hold a photographed example of this type.
ClassColor Picture Tube
Base13-pin
Filament6.3 V @ 750 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Sections3-gun (Red, Blue, Green)
Filament / Heater
Heater NotesUnder standby conditions voltage can be 5.0V
Absolute Maximum Ratings
Plate Voltage27500 V
Grid 2 Voltage1000 V
Grid 1 Voltage-400 V
Cathode Current1 mA
H-C Voltage410 V
Audio Performance
Key Features
- Wide angle deflection - 110 degrees
- Ultra rectangular faceplate
- Internal magnetic shielding
- Implosion protection
- Aluminized screen
- Tri-color phosphor-dot
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Design center | 25000 V | — | — | — | — |
Application Notes
The tube is provided with an internal magnetic shield and may be provided with an automatic degaussing system consisting of two coils. For proper degaussing, an initial m.m.f. of 450 ampere-turns is required.
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