COPPIA MID RANGE DA 80 mm
Name HG-80PRO
DC resistance Rdc 2,6 Ω
Nominal impedance ZN 3 Ω
Resonance frequency fs 91,4 HZ
Voice coil diameter 25 mm
Mechanical Q factor Qms 2,79
Electrical Q factor Qes 0,36
Total Q factor Qts 0,32
Moving mass Mms 4,09 g
Effective piston area Sd 35 cm2
Mechanical resistance Rms 0,84 Kg/s
Compliance Cms 0,74 mm/N
Force factor BL 4,1 Tm
Equivalent air volume Vas 1,28 dm3
Efficiency η 0,26 %
SPL 2,83V/1m 91 dB
High-pass / Hochpass > 270 Hz 18 dB/Oct
> 320 Hz 12 dB/Oct