Product Selection Guide

1 7 2 Models 55 and 56 are resonating horns that produce sound by means of a diaphragm, which resonates a column of air. With greater output than a vibrating horn, the resonating horn can be used wherever a louder, more powerful alert is needed. These projectors are designed to match the frequency of the vibrating diaphragm to produce a smooth tone. The housings are tapped for 1/2" conduit. Models 55 and 56 have sufficient output to penetrate through high ambient noise levels and have a duty cycle of five minutes on, five minutes off. F E A T U R E S Models 55 and 56 Resonating Horns M O D E L V O L T A G E O P E R A T I N G D E C I B E L S C U R R E N T 1 0 ' 1 M 55-024-1 24VAC 60Hz 3.00 amps 105 115 55-120-1 120VAC 60Hz 0.75 amps 105 115 56-024-1 24VDC 3.00 amps 106 116 56-125-1 125VDC 0.25 amps 106 116 56-250-1 250VDC 0.25 amps 106 116 • Model 55 - 24VAC and 120VAC • Model 56 - 24VDC, 125VDC and 250VDC • Model 55 produces 105 dBa @ 10' (115 dBa @ 1m) • Model 56 produces 106 dBa @ 10' (116 dBa @ 1m) • Corrosion resistant cast aluminum housing and spun brass projector • Indoor/outdoor use • Weatherproof, water- and dust-tight • Swivel bracket included • Type 3R enclosure • Model 55-120-1 is UL Listed and CSA Certified