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Duopre: Based on the proven pre-amps from the hugely successful PA series
Base Illuminance @ 5 m: 6 lux
Base diameter: 300mm
Maximum Ambient Temperature (ta): 45° C / 113° F
Adjustment: stepless
FPROSG Calibrated Audio Signal Generator for Loop Testing Patch Bays Duopre: Based on the provenThe FPROSG is a calibrated signal generator which comes with pre loaded test tones for Designed to simplify the setup of an induction loop system to the latest version of BS EN 60118 4 (Magnetic field strength in audio frequency induction loops for hearing aid purposes). Product Features Features a digital LCD User friendly interface to simplify testing Contrast controls and battery life indication Two soft buttons; change their functions to suit the
