Beyma 15CMV2

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.8dB
• Frequency response 50 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 49Hz
• Mechanical quality factor QMS 4.10
• Electrical quality factor QES 0.55
• Total quality factor QTS 0.49

Large signal parameters

• Maximum linear excursion xmax 7mm
• Maximum excursion before damage xlim 35mm
• Air volume displaced at xmax VD 616cm³
• Power handling P 350W
• Program power Pmax 700W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.0Ω
• Inductance (1kHz) LE 1.2mH
• VC Diameter 76.2mm
• Winding height HVC 17.5mm

Magnet

• Force factor Bl 18.8N/A
• Motor constant Bl/√RE 7.68N/√W
• Air gap height HAG 7mm

Diaphragm

• Effective diameter 335mm
• Effective area SD 880cm²
• Moving mass MMS 106g
• Moving mass (without air load) MMD 88.2g

Suspensions

• Stiffness KMS 10.5N/mm
• Compliance CMS 95µm/N
• Equivalent volume to the compliance VAS 104L
• Mechanical resistance RMS 8.1N·s/m

Dimensions

• Nominal diameter 15″
• 380mm
• Overall diameter 385mm
• Baffle cutout diameter 353mm
• Overall depth 165mm
• Volume occupied by the driver (estimated) 3.3L
• Net weight 6.0kg