Tube-number record
8/04TM
0 archive entries
8/04TM is a tube type in the TubeDatabase archive (class: TELEVISION MONITOR TUBE). Recorded specifications: brand FERRANTI, year 1958, construction Other / special, socket Duodecal, and maximum plate voltage 15000 V. The archive does not yet hold a photographed example of this type.
BrandFERRANTI
ClassTELEVISION MONITOR TUBE
BaseDuodecal
Filament6.3 V @ 300 mA
Construction
Primary TypeOther / special
EnvelopeGlass
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage15000 V
Grid 2 Voltage600 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical | 300 V | — | — | — | 0.1 mA |
Application Notes
The grid should never be positive with respect to the cathode.
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