Helix Ci7 W200FM-S3

Technical data

Power handling RMS / Max. P: 150 / 225 Watts
Impedance Z 3 Ω
DC resistance Re 3.0 Ω
Frequency response 35 Hz - 2,500 Hz
Resonance frequency Fs 52 Hz
Mechanical Q factor Qms 6.04
Electrical Q factor Qes 0.78
Total Q factor Qts 0.69
Compliance Cms 370 µm/N
Equivalent air volume Vas 20.8 L
Force factor B*I 5.6 Tm
Sensitivity SPL 92 dB @ 2.83 V / 1m
88 dB @ 1W / 1m
Cone area Sd 201 cm²
Moving mass Mms 25.6 g
Cone material Ultra high damping (UHD) crafted paper cone
Mechanical resistance Rms 1.40 kg/s
Voice coil diameter ø 37 mm
Voice coil winding height 13.8 mm
Max. linear excursion Xmax +/- 3.9 mm
Outer diameter ø 195 mm / 7.68"
Installation diameter ø 173.5 mm / 6.83"
Installation depth 65.8 mm / 2.59"
Features ProConnect terminal,
FlexMount200