Helix K 12W -SVC2, car subwoofer

The Helix K series woofer drivers work perfectly in small enclosures!

• Recommended amplifier power: 600W.
• Sensitivity 1 W / 1 m SPL 89.0 dB.
• Resistance: 1 x 2 Ω.

Helix K Series subwoofer elements work in small enclosures. Both reflex and sealed. Affordably priced with 1x2 ohm voice coil, the elements offer very good sound quality for the price in a small space.

SPECIFICATIONS

Power RMS / max. P 300 / 600 Watt
Impedance Z 1 x 2 Ω
DC resistance Re 1 x 2.0 Ω
Resonance frequency Fs 31 Hz
Mechanical Q factor Qms 4.03
Electrical Q factor Qes 0.54
Total Q factor Qts 0.47
Compliance Cms 142 μm/N
Equivalent air volume Vas 53 L
Force factor B*I 11.9 Tm
Sensitivity 1 W / 1 m SPL 89.0 dB
Cone area Sd 515 cm²
Moving mass Mms 146 g
Cone material Hand-scooped paper cone
Mechanical resistance Rms 9.20 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 316 mm / 12.44″
Installation diameter ø 286 mm / 11.26
Installation depth 144 mm / 5.67″

Recommended enclosure volumes
Sealed box
Even in volume 22 L
Lower limiting frequency (-3dB) 40 Hz
Recommended DSP settings “Self-Define” Highpass: 37 Hz / Q = 1.5
EQ Filter: 80 Hz / Q = 1.3 / -3 dB

Vented box
Even in a volume of 40 L
Port diameter ø 100 mm / 3.94″
Port area 78 cm²
Port length 35 cm / 13.8″
Port tuning frequency Fb 34 Hz
Lower limiting frequency (-3dB) 37 Hz
Recommended DSP settings “Self-Define” Highpass: 34 Hz ​​/ Q = 0.8
EQ Filter: 80 Hz / Q = 0.7 / -2 dB