Helix Ci5 W165FM-S3

Technical data

Power handling RMS / Max. P 125 / 175 Watts
Impedance Z 3 Ω
DC resistance Re 3.1 Ω
Frequency response 50 Hz - 5,000 Hz
Resonance frequency Fs 50 Hz
Mechanical Q factor Qms 2.38
Electrical Q factor Qes 0.50
Total Q factor Qts 0.41
Compliance Cms 742 µm/N
Equivalent air volume Vas 17.9 L
Force factor B*I 5.2 Tm
Sensitivity SPL 92 dB @ 2.83 V / 1m
88 dB @ 1W / 1m
Cone area Sd 131 cm²
Moving mass Mms 14.0 g
Cone material Silicon coated paper cone
Mechanical resistance Rms 1.83 kg/s
Voice coil diameter ø 37 mm
Voice coil winding height 13.7 mm
Max. linear excursion Xmax +/- 3.9 mm
Outer diameter ø 165 mm / 6.5"
Installation diameter ø 142 mm / 5.59"
Installation depth 66.8 mm / 2.63"
Features ProConnect terminal,
FlexMount165