Power handling RMS / max. P 300 / 600 Watts
Impedance Z 2 x 2 Ω
DC resistance Re 2 x 1.8 Ω
Resonance frequency Fs 43 Hz
Mechanical Q factor Qms 4.79
Electrical Q factor Qes 0.57
Total Q factor Qts 0.51
Compliance Cms 160 μm/N
Equivalent air volume Vas 11 L
Force factor B*I 11.9 Tm
Sensitivity SPL 88.0 dB @ 2.83V / 1m
85.0 dB @ 1W / 1m
Cone area Sd 222 cm²
Moving mass Mms 82 g
Cone material Sandwich paper cone
Mechanical resistance Rms 4.7 kg/s
Voice coil diameter ø 50.8 mm
Voice coil winding height 19 mm
Max. linear excursion Xmax +/- 6,0 mm
Outer diameter ø 213 mm / 8.40″
Installation diameter ø 180.4 mm / 7.10″
Installation depth 79.5 mm / 3.13″
Recommended enclosure volumes
Sealed box
Net volume 10 L
Lower limiting frequency (-3dB) 46 Hz
Recommended DSP settings Recommended ″self-define″ highpass filter with 46 Hz cut-off frequency and Q = 1.5
additional EQ filter 100 Hz / Q = 1.0 / -2.5 dB
Vented box
Net volume 10 L
Port diameter ø 60 mm / 2.36″
Port area 28 cm²
Port length 42 cm / 16.5″ (angled port)
Port tuning frequency Fb 39 Hz
Lower limiting frequency (-3dB) 45 Hz
Recommended DSP settings Recommended ″self-define″ highpass filter with 40 Hz cut-off frequency and Q = 1.2
additional EQ filter 100 Hz / Q = 0.9 / -2 dB
Scope of delivery
1 x Subwoofer HELIX IK S8-DVC2
1x Grille
1 x Gasket
1x Connecting terminal
1 x Data sheet