Tube-number record
G 20/5D
0 archive entries
G 20/5D is a tube type in the TubeDatabase archive (class: Rectifier). Recorded specifications: brand AEG, construction Rectifier, and maximum plate voltage 20000 V. The archive does not yet hold a photographed example of this type.
BrandAEG
ClassRectifier
Construction
Primary TypeRectifier
Rectifier TypeHalf-wave
EnvelopeGlass
Sections1
Filament / Heater
Warm-up Time60s
Absolute Maximum Ratings
Plate Voltage20000 V
Cathode Current2500 mA
Audio Performance
Key Features
- Mercury-vapour
- Hot-cathode
- Directly heated
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Arc Drop | 15 V | — | — | — | — |
| Ignition | 30 V | — | — | — | — |
Application Notes
Mounting position: vertical with the base down.
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