Helix K 8W -SVC2

Power RMS / max. P 300 / 600 Watts

Impedance Z 1 x 2 Ω

DC resistance Re 1 x 2.0 Ω

Resonance frequency Fs 37 Hz

Mechanical Q factor Qms 4.01

Electrical Q factor Qes 0.49

Total Q factor Qts 0.44

Compliance Cms 190 μm/N

Equivalent air volume Vas 13.4 L

Force factor B*I 10.2 Tm

Efficiency 1 W / 1 m SPL 85.0 dB

Cone area Sd 219 cm²

Moving mass Mms 86 g

Cone material Hand-scooped paper cone

Mechanical resistance Rms 6.1 kg/s

Voice coil diameter ø 50.8 mm

Voice coil winding height 24 mm

Max. linear excursion Xmax +/- 8.0 mm

Outer diameter ø 213 mm / 8.38″

Installation diameter ø 182 mm / 7.17″

Installation depth 101 mm / 3.98″



Recommended enclosure volumes

Sealed box

Net volume 10 L

Lower limiting frequency (-3dB) 45 Hz

Recommended DSP settings Recommended ″self-define″ highpass filter with 46 Hz cut-off frequency and Q = 1.5,

additional EQ filter 90 Hz / Q = 1.0 / -2.5 dB



Vented box

Net volume 9 L

Port diameter ø 60 mm / 2.36″

Port area 28 cm²

Port length 46 cm / 18.1″ (angled port)

Port tuning frequency Fb 38 Hz

Lower limiting frequency (-3dB) 41 Hz

Recommended DSP settings Recommended ″self-define″ highpass filter with 40 Hz cut-off frequency and Q = 1.2,

additional EQ filter 90 Hz / Q = 0.9 / -2 dB