Cerwin Vega V154D

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86dB

Thiele & Small parameters

• Resonance frequency (free air) fS 22.1Hz
• Mechanical quality factor QMS 9.50
• Electrical quality factor QES 0.74
• Total quality factor QTS 0.69

Large signal parameters

• Maximum linear excursion xmax 18.1mm
• Air volume displaced at xmax VD 1448cm³
• Power handling P 550W
• Program power Pmax 1100W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 7.1Ω
• Inductance (1kHz, in series, estimated) LE 6.3mH

Magnet

• Force factor (in series) Bl 18.5N/A
• Motor constant Bl/√RE 6.94N/√W
• Diameter 180mm

Diaphragm

• Effective diameter 319mm
• Effective area SD 800cm²
• Moving mass MMS 255g
• Moving mass (without air load) MMD 239g

Suspensions

• Stiffness KMS 3.13N/mm
• Compliance CMS 320µm/N
• Equivalent volume to the compliance VAS 167L
• Mechanical resistance RMS 3.73N·s/m

Dimensions

• Nominal diameter 15″
• 401mm
• Overall diameter 401mm
• Baffle cutout diameter 346mm
• Mounting depth 185mm
• Volume occupied by the driver (estimated) 4.9L