Beyma 15MCB700

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96.9dB
• Frequency response 45 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 44Hz
• Mechanical quality factor QMS 5.40
• Electrical quality factor QES 0.36
• Total quality factor QTS 0.34

Large signal parameters

• Maximum linear excursion xmax 7mm
• Maximum excursion before damage xlim 45mm
• Air volume displaced at xmax VD 616cm³
• Power handling P 700W
• Program power Pmax 1400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.3Ω
• Inductance (1kHz) LE 0.9mH
• VC Diameter 76.2mm
• Winding height HVC 18mm

Magnet

• Force factor Bl 20N/A
• Motor constant Bl/√RE 8.69N/√W
• Air gap height HAG 9.5mm

Diaphragm

• Effective diameter 335mm
• Effective area SD 880cm²
• Moving mass MMS 96g
• Moving mass (without air load) MMD 78g

Suspensions

• Stiffness KMS 7.41N/mm
• Compliance CMS 135µm/N
• Equivalent volume to the compliance VAS 148L
• Mechanical resistance RMS 4.9N·s/m

Dimensions

• Nominal diameter 15″
• 380mm
• Overall diameter 388mm
• Baffle cutout diameter 350mm
• Overall depth 177mm
• Volume occupied by the driver (estimated) 4.2L
• Net weight 8.0kg