Helix Ci3 K165.2FM-S2- 2Ohm

Power handling RMS / Max. P 100 / 150 Watts

Frequency response 60 Hz - 25,000 Hz

Impedance Z 2 Ω

Sensitivity SPL 94 dB @ 2.83V / 1m

88 dB @ 1W / 1m

Outer diameter ø

Tweeter: 32.0 mm / 1.26”

Midbass: 165.0 mm / 6.50”



Installation diameter ø

Tweeter: 32.0 mm / 1.26”

Midbass: 142.0 mm / 5.59”



Installation depth

Tweeter: 9.8 mm / 0.39”

Midbass: 60.7 mm / 2.39”



Dimensions crossover

103.3 x 50.4 x 25.0 mm /

4.07 x 1.98 x 0.98”





Midbass

Impedance Z 2 Ω

DC resistance Re 1.8 Ω

Resonance frequency Fs 74 Hz

Mechanical Q factor Qms 3.92

Electrical Q factor Qes 0.92

Total Q factor Qts 0.74

Compliance Cms 370 μm/N

Equivalent air volume Vas 8.8 L

Force factor B*l 3.4 Tm

Cone area Sd 133 cm2

Moving mass Mms 12.5 g

Mechanical resistance Rms 1.48 kg/s

Voice coil diameter ø 25 mm

Voice coil winding height



11.3 mm

Max. linear excursion Xmax +/- 3.7 mm



Tweeter

Impedance Z 4 Ω

Resonance frequency Fs 1800 Hz

Voice coil diameter ø 20 mm



Features

Tweeter

Ultra compact, titanium dome, neodymium magnet and FlexMount20



Midbass

Paper with Cenosphere coating, ProConnect terminal and FlexMount165



Crossover

Tweeter: 12 dB highpass, protection and level adjustment

Midbass: 6 dB lowpass