Tube-number record
17BUP4
0 archive entries
17BUP4 is a tube type in the TubeDatabase archive (class: Television Picture Tube). Recorded specifications: brand TUNG-SOL, year 1957, construction Rectangular Glass, base Small Shell Duodecal 6-Pin, socket Duodecal, and maximum plate voltage 18000 V. The archive does not yet hold a photographed example of this type.
BrandTUNG-SOL
ClassTelevision Picture Tube
BaseDuodecal
Filament6.3 V @ 0.6 mA
Construction
Primary TypeRectangular Glass
EnvelopeGlass
Base MaterialSmall Shell Duodecal 6-Pin
Sections1
Filament / Heater
Heater NotesUnipotential Cathode
Absolute Maximum Ratings
Plate Voltage18000 V
Grid 2 Voltage500 V
Grid 1 Voltage125 V
H-C Voltage180 V
Audio Performance
Key Features
- Aluminized Screen
- Electrostatic Focus
- Magnetic Deflection
- Unipotential Cathode
- Gray Filter Faceplate
- External Conductive Coating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical | 12000 V | — | — | — | — |
Application Notes
Brilliance and definition decrease with decreasing anode voltage. Generally, the anode voltage should not be less than 12,000 volts.
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