HELIX K 10W

2x2Ω

Subwoofer

Nominal diameter10″ / 250 mm
Resonance36 Hz
Q factor0.39
Sensitivity87.3 dB
Linear excursion± 8 mm
Program Power600 W
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 87.3dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 36Hz
  • Mechanical quality factor QMS 4.50
  • Electrical quality factor QES 0.43
  • Total quality factor QTS 0.39

Large signal parameters

  • Maximum linear excursion xmax 8mm
  • Air volume displaced at xmax VD 266cm³
  • Power handling P 300W
  • Program power Pmax 600W

Voice Coil

  • Nominal impedance Z 2 x 2Ω
  • DC resistance (in series) RE 3.2Ω
  • Inductance (1kHz, in series, estimated) LE 1.43mH
  • VC Diameter 50.8mm
  • Winding height HVC 24mm

Magnet

  • Force factor (in series) Bl 12.3N/A
  • Motor constant Bl/√RE 6.88N/√W

Diaphragm

  • Effective diameter 206mm
  • Effective area SD 333cm²
  • Moving mass MMS 91g
  • Moving mass (without air load) MMD 86.5g

Suspensions

  • Stiffness KMS 4.59N/mm
  • Compliance CMS 218µm/N
  • Equivalent volume to the compliance VAS 34L
  • Mechanical resistance RMS 4.56N·s/m

Dimensions

  • Nominal diameter 10
  • 250mm
  • Overall diameter 262mm
  • Baffle cutout diameter 232mm
  • Mounting depth 126mm
  • Volume occupied by the driver (estimated) 1.6L


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