Helix Ci5 S200FM-D2

Technical data

Power handling RMS / Max. P 200 / 400 Watts
Impedance Z 2 x 2 Ω
DC resistance Re 3.6 Ω
Frequency response 25 Hz - 500 Hz
Resonance frequency Fs 55 Hz
Mechanical Q factor Qms 8.31
Electrical Q factor Qes 0.88
Total Q factor Qts 0.80
Compliance Cms 256 µm/N
Equivalent air volume Vas 13.5 L
Force factor B*I 6.7 Tm
Sensitivity SPL 90 dB @ 2.83 V / 1m
87 dB @ 1W / 1m
Cone area Sd 194 cm²
Moving mass Mms 32 g
Cone material Injected polypropylene
Mechanical resistance Rms 1.39 kg/s
Voice coil diameter ø 38 mm
Voice coil winding height 20 mm
Max. linear excursion Xmax +/- 7.5 mm
Outer diameter ø 195 mm / 7.68"
Installation diameter ø 173.5 mm / 6.83"
Installation depth 47.0 mm / 1.85"
Features FlexMount200