The UL22/70 is a complete 2' x 2' UL listed fire signaling device for mass notification & emergency communications providing superior voice intelligibility performance, shallow depth, lightweight, fire-protective signaling device. Components include: an 8C10PAFR - 8" O.D. loudspeaker, 10-oz. magnet, fire retardant loudspeaker and a 4W-70V rotary select transformer. Grille is perforated steel with four (4) seismic tie-off points in a white powder coat finish. Line supervision capacitor is included. No assembly required. Intended Use - Indoor Environment Program Material – Signal tones and voice Installation – In a 2' x 2' or 2' x 4' wide ceiling tile grid

Sound Pressure dB-SPL@ 10 ft. per Tap – 1/4=78.7, 1/2=80.7, 1=81.5, 2=84.3, 4=87.4 Loudspeaker Power Rating – 20W RMS, EIA 426A

Standard Magnet Type & Weight – BeFe Ceramic, 10 oz.

Nominal Frequency Response – 60 Hz - 17 kHz EIA 426A

Standard Nominal Coverage Angle – 100° Included Angle, -6 dB / 2 kHz,

Half space Audio Connection – Common : Dual, color-coded leads, pre-cut

System Components Loudspeaker – 8C10PAFR

Transformer – 70V 4W-5 tap Rotary Select (4W, 2W, 1W, 0.50W, 0.25W)