Beyma 15CXA400Fe

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96dB
• Frequency response 40 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 40Hz
• Mechanical quality factor QMS 16.40
• Electrical quality factor QES 0.43
• Total quality factor QTS 0.42

Large signal parameters

• Maximum linear excursion xmax 6mm
• Maximum excursion before damage xlim 51mm
• Air volume displaced at xmax VD 528cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.3Ω
• Inductance (1kHz) LE 1mH
• VC Diameter 101.6mm
• Winding height HVC 16mm

Magnet

• Force factor Bl 18.2N/A
• Motor constant Bl/√RE 7.25N/√W
• Air gap height HAG 10mm

Diaphragm

• Effective diameter 335mm
• Effective area SD 880cm²
• Moving mass MMS 90g
• Moving mass (without air load) MMD 72g

Suspensions

• Stiffness KMS 5.71N/mm
• Compliance CMS 175µm/N
• Equivalent volume to the compliance VAS 191L
• Mechanical resistance RMS 1.4N·s/m

Dimensions

• Nominal diameter 15″
• 380mm
• Overall diameter 388mm
• Baffle cutout diameter 352mm
• Overall depth 193mm
• Volume occupied by the driver (estimated) 5.8L
• Net weight 11.9kg