Tube-number record
A 59-12 W/2
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BrandTelefunken
ClassTelevision Picture Tube
BaseCRT base (B7 family)
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular Glass
SectionsSingle
Filament / Heater
Heater NotesControlled warming-up time; Serial or parallel heating
Absolute Maximum Ratings
Plate Voltage18000 V
Grid 2 Voltage550 V
Grid 1 Voltage-150 V
H-C Voltage200 V
Audio Performance
Key Features
- Rectangular
- No ion trap
- 110° magnetic deflection
- Electrostatic focusing
- Metal-backed screen
- Grey glass
- Tube may be used without safety plate
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard | 16000 V | — | — | — | — |
Application Notes
For fokus of the whole screen, the voltage to be set is dependent on the deflecting system utilized and operating conditions. Relative definition of the spot is largely independent of mains voltage fluctuations with electrostatic focusing.
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