Tube-number record
17/03TB
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BrandFerranti
ClassMonitor Tube
BaseDuodecal
Filament6.3 V @ 0.3 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular 17 inch diagonal
Base MaterialPlastic
Sections1
Filament / Heater
Heater NotesSurge heater voltage should not exceed 9.5V r.m.s. during series operation.
Absolute Maximum Ratings
Plate Voltage18000 V
Grid 2 Voltage500 V
Grid 1 Voltage200 V
Audio Performance
Key Features
- Metal backed screen
- Rectangular face
- External conductive coating for E.H.T. smoothing
- Television monitoring equipment
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Monitor Operation | 18000 V | — | — | — | — |
Application Notes
The modulator should never be positive with respect to the cathode, except briefly after switching off (+1V max).
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