The Edwards 757-7A-SS70 is a wall-mount speaker-strobe for Edwards 757 Series notification appliance circuits, combining a 70 VRMS voice/tone speaker with a synchronizing strobe.

Specifications

• 70 VRMS supervised speaker, field-selectable taps 1/4W to 2W, up to 90 dBA at 2W
• 4-inch sealed-back mylar cone, 8 ohm, 250-13,000 Hz response
• 15/75 cd synchronizing strobe (15 cd wall and ceiling, 75 cd on-axis), UL 1971
• Strobe operates 16-33 VDC; speaker on a separate 70 V audio circuit, polarized inputs
• Red engineered-plastic housing on a single-screw mounting sub-plate

Mounting and compatibility

Flush-mounts to a North American 4-inch square box with extension ring. Synchronizes with Genesis and Integrity sync sources for UL 1971 strobe timing under NFPA 72.