Cerwin Vega V82D

• Sensitivity (1W, 1m, infinite baffle) SPL1W 81.3dB

Thiele & Small parameters

• Resonance frequency (free air) fS 34.4Hz
• Mechanical quality factor QMS 7.20
• Electrical quality factor QES 0.70
• Total quality factor QTS 0.63

Large signal parameters

• Maximum linear excursion xmax 13.5mm
• Air volume displaced at xmax VD 270cm³
• Power handling P 250W
• Program power Pmax 500W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 4.0Ω
• Inductance (1kHz, in series, estimated) LE 1.66mH

Magnet

• Force factor (in series) Bl 9.9N/A
• Motor constant Bl/√RE 4.95N/√W
• Diameter 118mm

Diaphragm

• Effective diameter 160mm
• Effective area SD 200cm²
• Moving mass MMS 81.7g
• Moving mass (without air load) MMD 79.5g

Suspensions

• Stiffness KMS 3.82N/mm
• Compliance CMS 262µm/N
• Equivalent volume to the compliance VAS 14.9L
• Mechanical resistance RMS 2.45N·s/m

Dimensions

• Nominal diameter 8″
• 222mm
• Overall diameter 222mm
• Baffle cutout diameter 180mm
• Mounting depth 112mm
• Volume occupied by the driver (estimated) 1.1L