Cerwin Vega V104D

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84.2dB

Thiele & Small parameters

• Resonance frequency (free air) fS 34.5Hz
• Mechanical quality factor QMS 6.10
• Electrical quality factor QES 0.66
• Total quality factor QTS 0.60

Large signal parameters

• Maximum linear excursion xmax 17mm
• Air volume displaced at xmax VD 561cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 6.0Ω
• Inductance (1kHz, in series, estimated) LE 3.19mH

Magnet

• Force factor (in series) Bl 15.3N/A
• Motor constant Bl/√RE 6.25N/√W
• Diameter 143mm

Diaphragm

• Effective diameter 205mm
• Effective area SD 330cm²
• Moving mass MMS 118g
• Moving mass (without air load) MMD 113g

Suspensions

• Stiffness KMS 2.7N/mm
• Compliance CMS 370µm/N
• Equivalent volume to the compliance VAS 28L
• Mechanical resistance RMS 4.19N·s/m

Dimensions

• Nominal diameter 10″
• 272mm
• Overall diameter 272mm
• Baffle cutout diameter 224mm
• Mounting depth 138mm
• Volume occupied by the driver (estimated) 1.8L