Cerwin Vega H4104D

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84.9dB

Thiele & Small parameters

• Resonance frequency (free air) fS 31.3Hz
• Mechanical quality factor QMS 9.40
• Electrical quality factor QES 0.60
• Total quality factor QTS 0.56

Large signal parameters

• Maximum linear excursion xmax 14mm
• Air volume displaced at xmax VD 462cm³
• Power handling P 250W
• Program power Pmax 500W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 7.2Ω
• Inductance (1kHz, in series, estimated) LE 3.45mH

Magnet

• Force factor (in series) Bl 15.5N/A
• Motor constant Bl/√RE 5.78N/√W
• Diameter 165mm

Diaphragm

• Effective diameter 205mm
• Effective area SD 330cm²
• Moving mass MMS 101g
• Moving mass (without air load) MMD 96.6g

Suspensions

• Stiffness KMS 3.92N/mm
• Compliance CMS 255µm/N
• Equivalent volume to the compliance VAS 39.3L
• Mechanical resistance RMS 2.12N·s/m

Dimensions

• Nominal diameter 10″
• 272mm
• Overall diameter 272mm
• Baffle cutout diameter 246mm
• Mounting depth 130mm
• Volume occupied by the driver (estimated) 1.8L