Lowther C45 Drive Unit
C45 Drive UnitC45 Drive Unit
DC Resistance of Voice Coil Re 7.4 ohms
Free Air Resonance Fo 82 Hz
Emission Piston Area Sd 0.01055M²
Equivalent Volume Suspension Vas 5.346 Ltrs
Suspension Compliance Cms 338.25 u M/N
Mass of Cone Mmd 7.0 g
Mass of Moving Parts Mms 7.623 g
Force Factor Bl 8.458 T-M
Mechanical Q Factor Qms 5.299
Electrical Q Factor Qes 0.449
Total Q Factor Qts 0.414
Voice Coil Inductance @ 1 kHz Le 90.232 uH
Reference Efficiency No 1.10%
Sound Pressure Level SPL 92.518 Db