Bogen BUFEX Attenuator, Buffer, Speaker Expander for Self Amplified Speakers


Product Description

The BUFEX is a continuously variable speaker attenuator that can remotely control the volume of a network of speakers.The BUFEX also provides output buffering for up to 150 self-amplified speaker inputs and allows speaker system expansion of existing 100V, 70V, or 25V central amplifier systems.The BUFEX includes a bypass function that can override the volume control knob setting when activated by a contact closure or open collector output. This allows emergency announcements to be heard through all speakers in a system even if the volume control knob setting is set low or off.A PCB-mounted bypass trim control adjusts the volume when in bypass mode with a maximum of 12 dB of attenuation.The BUFEX fits into a single gang electrical box. Continuously variable attenuator Drive up to 150 self-amplified speaker inputs 100V, 70V, 25V, and page port level selectable input Bypass trim control for emergency paging (12 dB of preset control over level of bypass announcements) Mounts in a single gang electrical box Rugged and attractive stainless steel plate with engraved lettering Easy and secure terminal strip connections Two-Year Warranty

Technical Specifications Bypass Trip Current: 0.8 mA Speaker Drive Capacity: 150 Self-Amplified Speakers Input Compatibility: 100V, 70V, and 25V Dimensions: 2-13/16" W x 4-9/16" H x 2-3/8" D Product Weight: 3 oz. Supply Voltage: 24V DC Current Consumption: 1 CU (50 mA) Output Impedance: 8 ohms Volume Control Range: 0 to -50 dB Bypass Voltage: 10V

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