The Teledynamics BG-VAR1 Voice Activated Relay is designed for integrating audio detection into various control systems. This unit monitors audio activity across a broad spectrum of input voltages, including microphone, 600-ohm line, 25V, and 70V speaker systems. It features two sets of C-form relay contacts (both normally open and normally closed) that activate in response to detected audio. The system includes a balanced, low-noise, high-gain microphone pre-amplifier with independent gain control, and offers a transformer-isolated, 600-ohm small signal level output of the detected audio. With an adjustable release delay from 0.25 to 25 seconds and a trigger threshold adjustment, this relay is suitable for use with both self-amplified and central-amplified paging systems, enabling automated responses based on audio presence.
The relay can monitor four levels of audio signals: microphone, 600-ohm line, 25V speaker systems, and 70V speaker systems, covering a wide range of input voltages.
It provides two sets of C-form relay contacts, offering both normally open (N.O) and normally closed (N.C) options for flexible integration with other systems.
Yes, this Voice Activated Relay is designed to work effectively with both self-amplified and central-amplified paging systems.
The PRS40C 12V DC Power Supply is a necessary accessory for operation and is sold separately. No other accessories are listed as included or available.
BG-VAR1 - Bogen Voice Activated Relay