Helix Ci7 M100FM-S3

Technical data

Power handling RMS / Max. P 100 / 150 Watts
Impedance Z 3 Ω
DC resistance Re 3.0 Ω
Frequency response 110 Hz - 7,000 Hz
Resonance frequency Fs 85 Hz
Mechanical Q factor Qms 4.58
Electrical Q factor Qes 0.52
Total Q factor Qts 0.47
Compliance Cms 590 µm/N
Equivalent air volume Vas 2.5 L
Force factor B*I 4.3 Tm
Sensitivity SPL 91 dB @ 2.83 V / 1m
87 dB @ 1W / 1m
Cone area Sd 55 cm²
Moving mass Mms 5.9 g
Cone material Ultra high damping (UHD) crafted paper cone
Mechanical resistance Rms 0.69 kg/s
Voice coil diameter ø 25 mm
Voice coil winding height 5.5 mm
Max. linear excursion Xmax +/- 1.3 mm
Outer diameter ø 98 mm / 3.86"
Outer diameter with universal mounting ring ø 104.5 mm / 4.11"
Installation diameter ø 89 mm / 3.50"
Installation depth 26.9 mm / 1.06"
Features FlexConnect terminal,
powerful push-pull neod