Measuring microphone for D1 AVC in a 5’’ recessed ceiling housing 581310 System-tested sensing microphone for automatic volume control (AVC) of the VARIODYN D1 system. Thisdecoupled sensing microphone is mounted in a 5″ ceiling loudspeaker (DL 130 construction, incl. fire dome)flush and invisibly inside the ceiling. Connection is accomplished by means of an enclosed 3-pole […]
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