1240/54HM
0 Tubes in archive
BrandFerranti
ClassRadar Tube
BaseB1A/D
Filament6.3V @ 300mA
Construction
Primary TypeCRT
EnvelopeGlass
SectionsSingle gun
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage15000 V
Grid 2 Voltage600 V
H-C Voltage200 V
Audio Performance
Key Features
- Narrow neck
- Small deflection angle
- Synthetic Radar presentation
- CT8 Anode Cap
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Valve Drive | 12000V | - | - | - | - |
| Transistor Drive | 12000V | - | - | - | - |
Application Notes
Suitable for use with either Transistor or Valve circuits. Phosphors are liable to burn if operated with a stationary spot.
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