Helix P 8W 8" subwoofer

P 8W

8“ / 200 mm subwoofer with aluminum diecast basket and extremely stiff Kevlar / paper sandwich cone, optimized for use in a compact vented enclosure

There are only a few manufacturers who understand the art of improving an already excellent basis. HELIX has optimized the new woofer with loving attention to detail and included elements of the legendary SPXL 12 in the high-precision series. The rubber surround is not only sewn to the cone, it is also firmly screwed to the basket using the machined mounting ring. The cone itself – a Kevlar / paper-sandwich design – is also new and stiffer than before to withstand even the strongest impulses without warping.

  • Extremely stiff Kevlar / paper sandwich cone
  • Oversized voice coils with an impressive winding height for maximum electrical power handling and high linear excursion
  • Large magnet systems for low Qts, ideal for compact bass-reflex enclosures
  • Double-vented voice long-stroke coils for minimized compression effects
  • Aluminum diecast basket with diamond cut surround mounting ring
  • Solid screw terminals
Power handling RMS / Max 300 / 600 Watts
Impedance 4 Ohms
Voice coil diameter 50.8 mm
Voice coil winding height 18 mm
Max. linear excursion +/- 5 mm
Cone area 194 cm²
Moving mass 62 g
DC resistance 3.2 Ohms
Resonance frequency 32 Hz
Mechanical Q factor 3.44
Electrical Q factor 0.25
Total Q factor 0.23
Equivalent air volume 19.9 L
Voice coil inductance 0.96 mH
Force factor 12.7 Tm
Efficiency 1 W / 1 m 86 dB
Outer diameter 209 mm / 8.23“
Cutout diameter 189 mm / 7.44“
Mounting depth 115.5 mm / 4.55“
Recommended enclosure  
Ported box  
Vented net volume 16 L
Port diameter 7 cm
Port area: 38 cm²
Port length 22 cm
Port tuning frequency 48 Hz
Speakers & Subs
  • Subwoofers
  • 8" (20cm)

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Helix P 8W 8" subwoofer

  • £129.99