HELIX COMPOSE CB C460.2-S3

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.9dB
• Frequency response 90 - 22000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 120Hz
• Mechanical quality factor QMS 6.18
• Electrical quality factor QES 1.14
• Total quality factor QTS 0.96

Large signal parameters

• Maximum linear excursion xmax 2.5mm
• Air volume displaced at xmax VD 19cm³
• Power handling P 50W
• Program power Pmax 75W

Voice Coil

• Nominal impedance Z 3Ω
• DC resistance RE 3.1Ω
• Inductance (1kHz, estimated) LE 0.29mH
• VC Diameter 25mm
• Winding height HVC 8.9mm

Magnet

• Force factor Bl 4.2N/A
• Motor constant Bl/√RE 2.39N/√W

Diaphragm

• Effective diameter 99mm
• Effective area SD 77cm²
• Moving mass MMS 8.7g
• Moving mass (without air load) MMD 8.3g

Suspensions

• Stiffness KMS 4.9N/mm
• Compliance CMS 204µm/N
• Equivalent volume to the compliance VAS 1.7L
• Mechanical resistance RMS 1.06N·s/m

Dimensions

• Nominal size 4 x 6″
• 100 x 150mm
• Overall size 98 x 154mm
• Mounting baffle cutout 87 x 142mm
• Mounting depth 49mm
• Volume occupied by the driver (estimated) 0.13L