HELIX Q 10W

• Sensitivity (1W, 1m, infinite baffle) SPL1W 83.8dB

Thiele & Small parameters

• Resonance frequency (free air) fS 35Hz
• Mechanical quality factor QMS 4.17
• Electrical quality factor QES 0.42
• Total quality factor QTS 0.38

Large signal parameters

• Maximum linear excursion xmax 14mm
• Air volume displaced at xmax VD 466cm³
• Power handling P 750W
• Program power Pmax 1500W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 3.9Ω
• Inductance (1kHz, in series, estimated) LE 3.13mH
• VC Diameter 63.5mm
• Winding height HVC 40mm

Magnet

• Force factor (in series) Bl 21.5N/A
• Motor constant Bl/√RE 10.9N/√W

Diaphragm

• Effective diameter 206mm
• Effective area SD 333cm²
• Moving mass MMS 220g
• Moving mass (without air load) MMD 215g
• Material Non-pressed paper cone

Suspensions

• Stiffness KMS 10.1N/mm
• Compliance CMS 99µm/N
• Equivalent volume to the compliance VAS 13.8L
• Mechanical resistance RMS 11.9N·s/m

Dimensions

• Nominal diameter 10″
• 274mm
• Overall diameter 274mm
• Baffle cutout diameter 234mm
• Mounting depth 163mm
• Volume occupied by the driver (estimated) 1.8L