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