Tube-number record
C17HM/1
0 archive entries
C17HM/1 is a tube type in the TubeDatabase archive (class: Teletube (CRT)). Recorded specifications: construction Tetrode, socket Duodecal, and maximum plate voltage 16000 V. The archive does not yet hold a photographed example of this type.
ClassTeletube (CRT)
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeTetrode
EnvelopeWide angle Teletube
Sections1
Filament / Heater
Heater Notes600mA derived from 0.6 amps
Absolute Maximum Ratings
Plate Voltage16000 V
Grid 2 Voltage410 V
Grid 1 Voltage-2 V
Cathode Current0.25 mA
H-C Voltage180 V
Audio Performance
Key Features
- Aluminized screen
- Ion trap
- External conductive coating
- Wide angle
- Strict specification for high-grade pictures
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Television Picture Monitor | 16000 V | — | — | — | 0.15 mA |
Application Notes
The ion trap should be adjusted to give the brightest picture. Failure to do this may shorten the life of the tube. Spot shape depends to some extent upon the ion-trap magnet.
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