COPPIA MID WOOFER DI QUALITA’ SERIE PRO
230/160 watt
Name HG-165PRO DC-3
DC resistance Rdc 2,7 Ω
Nominal impedance ZN 3 Ω
Resonance frequency fs 58,79 HZ
Voice coil diameter 37 mm
Mechanical Q factor Qms 10,44
Electrical Q factor Qes 0,7
Total Q factor Qts 0,65
Moving mass Mms 14,88 g
Effective piston area Sd 135 cm2
Mechanical resistance Rms 0,53 Kg/s
Compliance Cms 0,49 mm/N
Force factor BL 4,61Tm
Equivalent air volume Vas 12,61 dm3
Efficiency η 0,35 %
SPL 2,83V/1m 92,2 dB