Beyma 15CXA400Nd

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96.9dB
• Frequency response 40 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 40Hz
• Mechanical quality factor QMS 4.40
• Electrical quality factor QES 0.39
• Total quality factor QTS 0.36

Large signal parameters

• Maximum linear excursion xmax 6mm
• Maximum excursion before damage xlim 28mm
• Air volume displaced at xmax VD 528cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.6Ω
• Inductance (1kHz) LE 1mH
• VC Diameter 101.6mm
• Winding height HVC 16mm

Magnet

• Force factor Bl 19N/A
• Motor constant Bl/√RE 7.4N/√W
• Air gap height HAG 10mm

Diaphragm

• Effective diameter 335mm
• Effective area SD 880cm²
• Moving mass MMS 84g
• Moving mass (without air load) MMD 66g

Suspensions

• Stiffness KMS 5.53N/mm
• Compliance CMS 181µm/N
• Equivalent volume to the compliance VAS 196L
• Mechanical resistance RMS 4.9N·s/m

Dimensions

• Nominal diameter 15″
• 380mm
• Overall diameter 388mm
• Baffle cutout diameter 352mm
• Overall depth 182mm
• Volume occupied by the driver (estimated) 4L
• Net weight 7.2kg