Cerwin Vega HS104D

• Sensitivity (1W, 1m, infinite baffle) SPL1W 82.4dB

Thiele & Small parameters

• Resonance frequency (free air) fS 35.2Hz
• Mechanical quality factor QMS 5.50
• Electrical quality factor QES 1.10
• Total quality factor QTS 0.92

Large signal parameters

• Maximum linear excursion xmax 7.4mm
• Air volume displaced at xmax VD 252cm³
• Power handling P 200W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 6.0Ω
• Inductance (1kHz, in series, estimated) LE 3.65mH

Magnet

• Force factor (in series) Bl 13.2N/A
• Motor constant Bl/√RE 5.39N/√W

Diaphragm

• Effective diameter 208mm
• Effective area SD 340cm²
• Moving mass MMS 145g
• Moving mass (without air load) MMD 140g

Suspensions

• Stiffness KMS 7.14N/mm
• Compliance CMS 140µm/N
• Equivalent volume to the compliance VAS 23L
• Mechanical resistance RMS 5.83N·s/m

Dimensions

• Nominal diameter 10″
• 268mm
• Overall diameter 268mm
• Baffle cutout diameter 234mm
• Mounting depth 152mm
• Volume occupied by the driver 0.92L