Tube-number record
6BL4
0 archive entries
6BL4 is a tube type in the TubeDatabase archive (class: High Voltage Diode Damper Tube). Recorded specifications: brand Lansdale Tube Company, construction Diode, socket Octal, maximum plate voltage 5000 V, and maximum plate dissipation 8 W. The archive does not yet hold a photographed example of this type.
BrandLansdale Tube Company
ClassHigh Voltage Diode Damper Tube
BaseOctal
Filament6.3 V @ 1.2 mA
Construction
Primary TypeDiode
Rectifier TypeHigh-vacuum
EnvelopeT9
SectionsSingle
Filament / Heater
Heater NotesCoated unipotential cathode
Absolute Maximum Ratings
Plate Voltage5000 V
Plate Dissipation8 W
Cathode Current175 mA
H-C Voltage750 V
Audio Performance
Key Features
- High vacuum diode
- Damper diode in television sweep circuits
- Skirted miniature top cap
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Tube Voltage Drop | 22 V | — | — | — | 300 mA |
Application Notes
Power rectifier operation is not recommended. For operation in a 525-line, 30-frame system as described in Standards of Good Engineering Practice for Television Broadcasting Stations.
Datasheets
Datasheet: 6BL4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results