ESU 300

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BrandEdiswan

ClassMercury Vapour Rectifier

BaseGoliath Edison Screw (GES)

Construction

Primary TypeHalf-wave

Rectifier TypeMercury Vapour

EnvelopeHard Glass

SectionsSingle

Filament / Heater

Warm-up Time30s

Absolute Maximum Ratings

Cathode Current3000 mA

Audio Performance

Key Features

Mercury vapour filled
Blue glow characteristic
Neutralized space-charge
Low internal resistance
Excellent regulation
Top anode terminal

Application Notes

The filament must be switched on at least 30 seconds before anode voltage is applied. For first service, filament should operate at normal voltage for 15 minutes without anode voltage to distribute mercury. Mount vertically in a well-ventilated position. Maximum ambient temperature 50°C.

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