1000 W compression driver W1812510

for horn speakersfor industrial alarmsferrite

Rated impedance - 8 - ohm Sensitivity - 97 - dB/1w/1m Frequency Range - Fs-1800 - Hz Voice Coil Diameter - 125/5 - mm/inch Voice Coil Material - copper - Number of layer - 2 - Kind of layer - outside/inside - THIELE-SMALL PARAMETERS Resonance frequency - Fs - 42 - Hz Dc resistance - Re - 5.2 - ohm Mechanical factor - Qms - 9.18 - Electrical factor - Qes - 0.336 - Total factor - Qts - 0.327 - BL factor - BL - 31 - T.M Effective Moving mass - Mms - 232 - g Effective Cas air load - Vas - 115 - liters Effective piston area - Sd - 0.1164 - m^2 MOUNTING INFORMATION Overall Diameter - Φ471/Φ18.54 - mm/inch - Bolt Circle Diameter - Φ452.5/Φ17.81 - mm/inch Bolt Hole Diameter - 8-Φ8.7/8-Φ0.34 - mm/inch Mount Baffle Cut-out - Φ412/16.22 - mm/inch Depth - 199/7.83 - mm/inch