250 W compression driver W106515

for horn speakersfor industrial alarmsneodymium

Rated impedance - 12 - ohm Sensitivity - 97 - dB/1w/1m Frequency Range - Fs-4000 - Hz Voice Coil Diameter - 65/2.5 - mm/inch Voice Coil Material - Aluminium - Number of layer - 2 - Kind of layer - Outside/Inside THIELE-SMALL PARAMETERS Resonance frequency - Fs - 82 - Hz Dc resistance - Re - 10.2 - ohm Mechanical factor - Qms - 1.92 - Electrical factor - Qes - 0.54 - Total factor - Qts - 0.42 - BL factor - BL - 15.7 - T.M Effective Moving mass - Mms - 25.4 - g Effective Cas air load - Vas - 25 - liters Effective piston area - Sd - 0.035 - m^2 MOUNTING INFORMATION Overall Diameter - Φ260/Φ10.3 - mm/inch - Bolt Circle Diameter - Φ248/Φ9.8 - mm/inch Bolt Hole Diameter - 8-Φ6.3/8-Φ0.25 - mm/inch Mount Baffle Cut-out - 230/9.05 - mm/inch Depth - 107/4.2 - mm/inch