Lowther PM2A Drive Unit
{short description of image}PM2A 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 60.647 Ltrs
Suspension Compliance Cms 968.455 u M/N
Mass of Cone Mmd 11.0 g
Mass of Moving Parts Mms 12.75 g
Force Factor Bl 10.971 T-M
Mechanical Q Factor Qms 3.78
Electrical Q Factor Qes 0.223
Total Q Factor Qts 0.211
Voice Coil Inductance @ 1 kHz Le 36.296 uH
Reference Efficiency No 2.443%
Sound Pressure Level SPL 95.897 Db