ESU111
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BrandEdiswan
ClassHalf-Wave Mercury Vapour Rectifier
BaseRMA A3-20
Filament5V @ 12000mA
Construction
Primary TypeMercury Vapour
Rectifier TypeHalf-Wave
EnvelopeGlass
Base MaterialA3-20
SectionsSingle
Filament / Heater
MaterialIndirectly Heated
Warm-up Time180s
Heater NotesIndirectly heated cathode
Absolute Maximum Ratings
Plate Voltage20000 V
Cathode Current3000 mA
Audio Performance
Key Features
- Indirectly heated
- Mercury vapour
- High voltage output
- Cathode heating delay
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Full wave (2 valves) | 6300V | - | - | - | 6000mA |
Application Notes
The cathode of this rectifier should be allowed an adequate heating time, preferably longer than the specified absolute minimum of 3 minutes. Initial cathode heating time of 30 minutes should be allowed after storage or transportation.
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