Tube-number record
RGN 4004
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BrandTELEFUNKEN
ClassRectifier
Base4-pin
Construction
Primary TypeRectifier
Rectifier TypeDirectly heated
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialDirectly heated
Warm-up Time3s
Absolute Maximum Ratings
Plate Voltage1650 V
Plate Dissipation15 W
Cathode Current175 mA
Audio Performance
Key Features
- AC-Heating
- Directly heated
- Half-wave rectifier
- Parallel supply
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Einweg-Gleichrichter (C-Eingang) | 1600 V | — | 200 | — | 100 mA |
| Zweiweg-Gleichrichter (C-Eingang, 2 tubes) | 1600 V | — | 200 | — | 200 mA |
| Zweiweg-Gleichrichter (Drossel-Eingang, 2 tubes) | 1600 V | — | 200 | — |
Application Notes
To reduce the current load of the base pins, two pins are interconnected in each case. It is also necessary to interconnect the corresponding jacks in the holder.
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