Horn speaker compression driver W157590

for industrial alarmsferrite

Rated impedance - 8 - ohm - Sensitivity (1w/1m) - 98 - dB - Frequency Range - Fs-3000 - Hz - Voice Coil Diameter - 75/3 - mm/inch - Voice Coil Material - Copper - - Number of layer - 2 - - Kind of layer - inside/outside - - Thiele-Small Parameters - - - Resonance frequency - Fs - 36 - Hz Dc resistance - Re - 5.1 - ohm Mechanical factor - Qms - 5.9 - Electrical factor - Qes - 0.28 - Total factor - Qts - 0.27 - BL factor - BL - 20.3 - T.M Effective Moving mass - Mms - 99 - g Effective Cas air load - Vas - 200 - liters Effective piston area - Sd - 0.086 - m^2 Mounting Information - - - Overall Diameter - φ394/φ15.51 - mm/inch - Bolt Circle Diameter - φ375/φ14.76 - mm/inch - Bolt Hole Diameter - 8-7*9/8-0.28*0.35 - mm/inch - Mount Baffle Cut-out - φ354/φ13.93 - mm/inch - Depth - 180/7.09 - mm/inch