HELIX COMPOSE CB C100.2-S3

• Sensitivity (1W, 1m, infinite baffle) SPL1W 82.9dB
• Frequency response 100 - 22000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 113Hz
• Mechanical quality factor QMS 4.97
• Electrical quality factor QES 1.05
• Total quality factor QTS 0.87

Large signal parameters

• Maximum linear excursion xmax 2.5mm
• Air volume displaced at xmax VD 11cm³
• Power handling P 60W
• Program power Pmax 90W

Voice Coil

• Nominal impedance Z 3Ω
• DC resistance RE 3.0Ω
• Inductance (1kHz, estimated) LE 0.25mH
• VC Diameter 25mm
• Winding height HVC 8.9mm

Magnet

• Force factor Bl 3.9N/A
• Motor constant Bl/√RE 2.25N/√W

Diaphragm

• Effective diameter 76mm
• Effective area SD 45cm²
• Moving mass MMS 7.2g
• Moving mass (without air load) MMD 7g

Suspensions

• Stiffness KMS 3.68N/mm
• Compliance CMS 272µm/N
• Equivalent volume to the compliance VAS 0.8L
• Mechanical resistance RMS 1.04N·s/m

Dimensions

• Nominal diameter 4″
• 100mm
• Overall diameter 99mm
• Baffle cutout diameter 90mm
• Mounting depth 49mm
• Volume occupied by the driver (estimated) 0.13L