Tube-number record
A 44-12 W
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BrandTelefunken
ClassTelevision Picture Tube
BaseCRT base (B7 family)
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular Glass
Base MaterialPlastic
Sections1
Filament / Heater
Heater NotesHeater with controlled warming-up time
Absolute Maximum Ratings
Plate Voltage18000 V
Grid 2 Voltage550 V
Grid 1 Voltage-150 V
H-C Voltage250 V
Audio Performance
Key Features
- 110° magnetic deflection
- Electrostatic focusing
- Metal-backed screen
- No ion-trap
- Gray glass
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Normal Operation | 18000 V | — | — | — | — |
Application Notes
Tube may be used without safety plate. Centering magnet should be as close as possible to the deflection coil.
Datasheets
Datasheet: A44-12W.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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