BOGEN VAR1 VOICE ACTIVATED RELAY A RELAY DEVICE THAT MONITORS AUDIO ACTIVITY OVER A WIDE RANGE OF INPUT VOLTAGES AND OPERATES TWO SETS OF C-FORM RELAY CONTACTS IN RESPONSE TO DETECTED ACTIVITY. THIS CAN BE USED TO DETECT VOLTAGES AS LOW AS SIGNALS DIRECTLY FROM A MICROPHONE OR ASHIGH AS SIGNALS FROM 70V SPEAKER SYSTEMS. A LOW LEVEL OUTPUT OF THE DETECTED AUDIO, TRANSFORMER ISOLATED FROM THE INPUT IS ALSO MADE AVAILABLE FOR USE WITH OTHER EQUIPMENT.
CAN ALSO BE USED AS A BALANCED LOW-IMPEDANCE MIC PRE-AMP. FEATURES: TWO SETS OF C-FORM (BOTH N.O. AND N.C.) RELAY CONTACTS RESPOND TO AUDIO ACTIVITY 4 LEVELS OF INPUT SIGNALS: MICROPHONE, 600-OHM LINE, 25V, AND 70V SPEAKER SYSTEMS BUILT-IN BALANCED, LOW NOISE, HIGH GAIN MICROPHONE PRE-AMP A TRANSFORMER-ISOLATED, 600-OHM SMALL SIGNAL LEVEL OUTPUT OF DETECTED AUDIO AVAILABLE WORKS WITH SELF-AMPLIFIED OR CENTRAL AMPLIFIER PAGING SYSTEMS SEPARATE MICROPHONE PRE-AMP OR CENTRAL AMPLIFIER PAGING SYSTEMS SEPARATE MICROPHONE PRE-AMP GAIN CONTROL ADJUSTABLE RELEASE DELAY-.25S TO 25S TRIGGER THRESHOLD ADJUSTMENT