Tube-number record
AW 47-91
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BrandTelefunken
ClassTV Picture Tube
BaseCRT base (B7 family)
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
EnvelopeAll-glass, rectangular, grey glass, metal-backed
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 Voltage200 V
Audio Performance
Key Features
- 110 degree magnetic deflection
- Electrostatic focusing
- Without ion trap
- Aluminized screen
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard Operation | 18000 V | — | — | — | — |
Application Notes
Distance between reference line and centering magnet should not exceed 57 mm. To avoid hum, AC component of heater-to-cathode voltage should be low.
Datasheets
Datasheet: AW47-91.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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