Lowther driveunits
Lowther DX4 Drive Unit
DC Resistance of Voice Coil Re 7.4 ohms Free Air Resonance Fo 45 Hz Emission Piston Area Sd 0.021M² Equivalent Volume Suspension Vas 52.321 Ltrs Suspension Compliance Cms 835.497 u M/N Mass of Cone Mmd 11.0 g Mass of Moving Parts Mms 12.75 g Force Factor Bl 11.246 T-M Mechanical Q Factor Qms 4.808 Electrical Q Factor Qes 0.229 Total Q Factor Qts 0.218 Voice Coil Inductance @ 1 kHz Le 28.347 uH Reference Efficiency No 2.567% Sound Pressure Level SPL 96.112 Db
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