Tube-number record
DCG 1/125
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DCG 1/125 is a tube type in the TubeDatabase archive (class: Rectifier). Recorded specifications: construction Rectifier and maximum plate voltage 3000 V. The archive does not yet hold a photographed example of this type.
ClassRectifier
Construction
Primary TypeRectifier
Rectifier TypeHalf-wave
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialOxide
Absolute Maximum Ratings
Plate Voltage3000 V
Cathode Current125 mA
Audio Performance
Power Output180 W
Key Features
- Oxide filament
- Mercury vapor filled
- High efficiency
- Low internal voltage drop
- Compact dimensions
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Circuit Abb. 1 (Single Tube) | 1050 V | — | — | — | 250 mA |
| Circuit Abb. 4 | 2100 V | — | — | — | 250 mA |
Application Notes
The output DC voltage depends on the load of the rectifier and the capacity of the smoothing capacitor. The upper limit is only reached when the current draw is zero.
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