Tube-number record
A 61-120 W
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BrandTelefunken
ClassTV-picture tube
BaseCRT base (B7 family)
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
EnvelopeAll-glass
Base MaterialMetal shielding
Sections1
Filament / Heater
Heater NotesIndirectly heated; controlled warming-up time
Absolute Maximum Ratings
Plate Voltage20000 V
Grid 2 Voltage550 V
Grid 1 Voltage-150 V
H-C Voltage250 V
Audio Performance
Key Features
- Rectangular
- 110° magnetic deflection
- Metal-backed screen
- Grey glass
- Push-through arrangement
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard TV operation | 20000 V | — | — | — | — |
Application Notes
Tube may be used without safety plate. Heater suitable for parallel or series connection. Centering magnet should be as close as possible to the deflection coil.
Datasheets
Datasheet: A61-120W.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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