ESU 150
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BrandEdiswan
ClassMercury Vapour Rectifier
BaseGoliath Edison screw cap
Construction
Primary TypeMercury Vapour
Rectifier TypeHalf-wave
EnvelopeHard glass
Base MaterialMetal
SectionsSingle
Filament / Heater
MaterialOxide-coated
Warm-up Time10s
Absolute Maximum Ratings
Plate Voltage3500 V
Cathode Current1800 mA
Audio Performance
Key Features
- Mercury vapour filled
- Excellent regulation
- Low internal resistance
- Blue glow characteristic
- Goliath Edison screw cap
- Top anode connection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Half-wave rectifier | 3500V | - | - | - | 1800mA |
Application Notes
When first placed in service, filament should be operated at normal voltage for 15 minutes without anode voltage. Delay of at least 10 seconds required before applying anode voltage. Thermal delay switch recommended. Mount vertically in well-ventilated position.
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