Tube-number record
GL-6930
0 archive entries
GL-6930 is a tube type in the TubeDatabase archive (class: Rectifier). Recorded specifications: brand General Electric, construction Mercury Vapor, base Metal, socket Special / none, and maximum plate voltage 1000 V. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric
ClassRectifier
BaseSpecial / none
Construction
Primary TypeMercury Vapor
Rectifier TypeHalf-wave
EnvelopeGlass
Base MaterialMetal
SectionsSingle
Filament / Heater
MaterialFilamentary
Warm-up Time60s
Absolute Maximum Ratings
Plate Voltage1000 V
Cathode Current6400 mA
Audio Performance
Key Features
- Half-wave rectifier
- Mercury-vapor
- Industrial power applications
- 250 volts d-c output
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Power Rectifier | 250 V | — | — | — | 6400 mA |
Application Notes
Most satisfactory performance results with quadrature filament operation (filament voltage 90 degrees out of phase with anode voltage). Anode and grid-circuit returns should be made to the filament and cathode terminal or filament transformer center tap.
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