LB 1
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BrandTelefunken
ClassCathode Ray Tube
Base10-pin
Filament12.6V @ 0.27mA
Construction
Primary TypeCathode Ray Tube
EnvelopeGlass
Base MaterialPlastic
SectionsSingle beam
Filament / Heater
Heater NotesIndirectly heated oxide cathode. Normal heater range 11V to 13.5V.
Absolute Maximum Ratings
Plate Voltage2000 V
Grid 1 Voltage-65 V
Cathode Current0.05 mA
Audio Performance
Key Features
- Luftfahrtrohre (Aviation Tube)
- Oxide cathode
- Yellow-Green screen Phosphor
- Symmetrical deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Symmetrical Deflection @ 1000V | 1000V | - | - | - | - |
| Symmetrical Deflection @ 2000V | 2000V | - | - | - | - |
Application Notes
Requires protective housing against implosion. Electrostatic/electromagnetic shielding recommended (Permalloy/Mu-Metal).
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