Cerwin Vega VPRO152D

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87dB

Thiele & Small parameters

• Resonance frequency (free air) fS 27.2Hz
• Mechanical quality factor QMS 11.50
• Electrical quality factor QES 0.56
• Total quality factor QTS 0.54

Large signal parameters

• Maximum linear excursion xmax 18mm
• Air volume displaced at xmax VD 1440cm³
• Power handling P 900W
• Program power Pmax 1800W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 4.0Ω
• Inductance (1kHz, in series, estimated) LE 4.26mH

Magnet

• Force factor (in series) Bl 19.8N/A
• Motor constant Bl/√RE 9.9N/√W
• Diameter 191mm

Diaphragm

• Effective diameter 319mm
• Effective area SD 800cm²
• Moving mass MMS 336g
• Moving mass (without air load) MMD 319g

Suspensions

• Stiffness KMS 9.8N/mm
• Compliance CMS 102µm/N
• Equivalent volume to the compliance VAS 93.1L
• Mechanical resistance RMS 4.99N·s/m

Dimensions

• Nominal diameter 15″
• 401mm
• Overall diameter 401mm
• Baffle cutout diameter 346mm
• Mounting depth 186mm
• Volume occupied by the driver 2.63L