Tube-number record
1004
0 archive entries
1004 is a tube type in the TubeDatabase archive (class: Gas-filled Rectifier). Recorded specifications: brand FOTOS Grammont, construction Other / special, socket 4-pin, and maximum plate voltage 160 V. The archive does not yet hold a photographed example of this type.
BrandFOTOS Grammont
ClassGas-filled Rectifier
Base4-pin
Construction
Primary TypeOther / special
EnvelopeGlass
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage160 V
Audio Performance
Key Features
- Rare gas atmosphere
- Oxide filament
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Battery Charging 4-6V | 16 V | — | — | — | 1300 mA |
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