HELIX IQ W12-DVC2

Technical data

– +1 TM +2 TM +3 TM

Power handling RMS / max. P 750 / 1,500 Watts

Recommended amplifier power RMS from 300 Watts

Impedance Z 2 x 2 Ω

DC resistance Re 2 x 1.9 Ω

Resonance frequency Fs 36 Hz 32 Hz 29 Hz 27 Hz

Mechanical Q factor Qms 5.37

Electrical Q factor Qes 0.53 0.59 0.64 0.69

Total Q factor Qts 0.48 0.53 0.57 0.62

Compliance Cms 96 μm/N

Equivalent air volume Vas 35 L

Force factor B*I 18.1 Tm

Sensitivity SPL 90 dB @ 2.83V / 1m

87 dB @ 1W / 1m

Cone area Sd 515 cm²

Moving mass Mms 199 g 252 g 305 g 358 g

Cone material Fiberglass-Mylar honeycomb cone

Mechanical resistance Rms 8.5 kg/s

Voice coil diameter ø 63 mm

Voice coil winding height 34 mm

Max. linear excursion Xmax +/- 12 mm

Outer diameter ø 327.1 mm / 12.88″

Installation diameter ø 281 mm / 11.06″

Installation depth 144.7 mm / 5.70″



Recommended enclosure volumes

Sealed box

Net volume 33 L 47 L 65 L 115 L

Lower limiting frequency (-3dB) 53 Hz 44 Hz 37 Hz 31 Hz



Bassreflex-Gehäuse

Net volume 70 L 90 L 110 L 140 L

Port diameter ø 100 mm

Port area 78 cm²

Port length 27 cm 31 cm 37 cm 39 cm

Port tuning frequency Fb 31 Hz 26 Hz 22 Hz 19 Hz

Lower limiting frequency (-3dB) 27 Hz 22 Hz 19 Hz 16 Hz



TM = Tuning Mass