part # mallory sonalert products inc PSR-18N08A-JQ revision sales outline drawing a 4411 south high school road, indianapolis, indiana 46241 usa phone (317) 612-1000 fax (317) 612-1010 http://www.mallory-sonalert.com specifications: voice coil impedance ( ) 8 15% at 800 hz / 1.0 v rated input (w) 0.25 max. input (w) 0.30 lowest resonance freq fo (hz) 1800 20% frequency range (hz) fo ~ 4000 output s.p.l. (db) 84 3 at 1w 1m .8k, 1k, 1.2k, 1.5khz magnet size (mm) ? 8.0 * 1.0 magnet ferrite core material mylar black frame material metal options for other options contact factory dimensions: (units: mm) rohs compliant
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