Beyma 15MC700Nd

• Sensitivity (1W, 1m, infinite baffle) SPL1W 97.3dB
• Frequency response 50 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 49Hz
• Mechanical quality factor QMS 3.60
• Electrical quality factor QES 0.34
• Total quality factor QTS 0.31

Large signal parameters

• Maximum linear excursion xmax 7mm
• Maximum excursion before damage xlim 48mm
• Air volume displaced at xmax VD 616cm³
• Power handling P 700W
• Program power Pmax 1400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.2Ω
• Inductance (1kHz) LE 0.8mH
• VC Diameter 76.2mm
• Winding height HVC 18mm

Magnet

• Force factor Bl 22.6N/A
• Motor constant Bl/√RE 9.91N/√W
• Air gap height HAG 10mm

Diaphragm

• Effective diameter 335mm
• Effective area SD 880cm²
• Moving mass MMS 107g
• Moving mass (without air load) MMD 89g

Suspensions

• Stiffness KMS 10.4N/mm
• Compliance CMS 96µm/N
• Equivalent volume to the compliance VAS 105L
• Mechanical resistance RMS 9.2N·s/m

Dimensions

• Nominal diameter 15″
• 380mm
• Overall diameter 388mm
• Baffle cutout diameter 350mm
• Overall depth 175mm
• Volume occupied by the driver (estimated) 2.8L
• Net weight 4.2kg