HELIX IK S8 - 8" Subwoofer - 1 x 2 Ohm


Price:
£129.99

Description

HELIX IK S8

Flat dimensions – deep bass

With the shallow HELIX IK S subwoofers, the realization of particularly flat and compact enclosure designs shouldn’t be a problem anymore. Its extremely low installation depth opens up new installation possibilities that do not require making any acoustic compromises at all. Additionally, thanks to the use of large voice coils and its low resonant frequency, the HELIX IK S series delivers an absolutely stunning bass performance, which is in no way inferior to larger dimensioned woofers.

Smart down to the very last detail

The enormously stiff sandwich paper cone in conjunction with our heavy-duty drive system easily converts amplifier power into powerful sound pressure without any compression effects, while simultaneously demonstrating finesse when it comes to more subtle beats. A special highlight: the magnet system has a threaded hole on the back and thus allows the woofer to be fixed to the back panel of the enclosure. Since every millimeter of depth counts in flat constructions, enclosure vibrations are effectively reduced – even with thin walls.

Flexible Connection

Designed as a 1 x 2 Ohms (SVC2) or 2 x 2 Ohms (DVC2) variant, you can find the right low bass specialist for any amplifier configuration to get the maximum performance out of it.

"All inclusive" for self-made enthusiasts

In addition to the high-quality connection terminal with gold-plated screw terminals, a solid protective grille and gasket are also included. For optimal bass performance in DIY installations you can find recommendations for sealed and vented enclosures with all parameters such as net volume, port tuning frequency or DSP settings in our technical data sheet.

Features

  • Chassis with particularly low installation depth – optimized for compact and shallow enclosure constructions
  • 1 x 2 Ohms single voice coil
  • Magnet system with threaded hole on the back – allows screwing to the back panel of the enclosure for stabilization and reduction of enclosure vibrations
  • Extremely stiff sandwich paper cone
  • Long-excursion rubber surround for highest mechanical rating
  • Rugged magnet cover with HELIX lettering for perfect magnet protection
  • Enclosure connection terminal, grille and gasket included in delivery

Technical data

    IK S8-SVC2 – 1 x 2 Ohms
Power handling RMS / max. P 300 / 600 Watts
Impedance  Z 1 x 2 Ω
DC resistance  Re 2.0 Ω
Resonance frequency  Fs 43 Hz
Mechanical Q factor  Qms 7.79
Electrical Q factor  Qes 0.53
Total Q factor Qts 0.50
Compliance Cms 170 μm/N
Equivalent air volume Vas 11 L
Force factor  B*I 9.1 Tm
Sensitivity  SPL 91.0 dB @ 2.83V / 1m
85.0 dB @ 1W / 1m
Cone area  Sd 222 cm²
Moving mass  Mms 81 g
Cone material   Sandwich paper cone
Mechanical resistance  Rms 2.8 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 213.4 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

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