Beyma 15MC500

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.5dB
• Frequency response 50 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 46Hz
• Mechanical quality factor QMS 7.80
• Electrical quality factor QES 0.47
• Total quality factor QTS 0.44

Large signal parameters

• Maximum linear excursion xmax 8mm
• Maximum excursion before damage xlim 40mm
• Air volume displaced at xmax VD 704cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.6Ω
• Inductance (1kHz) LE 1.1mH
• VC Diameter 63.5mm
• Winding height HVC 19.5mm

Magnet

• Force factor Bl 18.3N/A
• Motor constant Bl/√RE 7.73N/√W
• Air gap height HAG 9.5mm

Diaphragm

• Effective diameter 335mm
• Effective area SD 880cm²
• Moving mass MMS 98g
• Moving mass (without air load) MMD 80g

Suspensions

• Stiffness KMS 8.2N/mm
• Compliance CMS 122µm/N
• Equivalent volume to the compliance VAS 134L
• Mechanical resistance RMS 3.6N·s/m

Dimensions

• Nominal diameter 15″
• 380mm
• Overall diameter 388mm
• Baffle cutout diameter 350mm
• Overall depth 172mm
• Volume occupied by the driver (estimated) 3.5L
• Net weight 6.2kg