Tube-number record
LB 1
0 archive entries
BrandTelefunken
ClassCathode Ray Tube
Base10-pin
Filament12.6 V @ 0.27 mA
Construction
Primary TypeDisplay / CRT
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 | 1000 V | — | — | — | — |
| Symmetrical Deflection @ 2000V | 2000 V | — | — | — | — |
Application Notes
Requires protective housing against implosion. Electrostatic/electromagnetic shielding recommended (Permalloy/Mu-Metal).
Datasheets
Datasheet: LB1.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results