MATCH MW 8BMW-D

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.6dB

Thiele & Small parameters

• Resonance frequency (free air) fS 46Hz
• Mechanical quality factor QMS 4.45
• Electrical quality factor QES 0.59
• Total quality factor QTS 0.52

Large signal parameters

• Maximum linear excursion xmax 4mm
• Air volume displaced at xmax VD 86cm³
• Power handling P 200W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 3.4Ω
• Inductance (1kHz, in series, estimated) LE 0.94mH
• VC Diameter 42.5mm
• Winding height HVC 12.5mm

Magnet

• Force factor (in series) Bl 8.6N/A
• Motor constant Bl/√RE 4.66N/√W

Diaphragm

• Effective diameter 165mm
• Effective area SD 214cm²
• Moving mass MMS 44.2g
• Moving mass (without air load) MMD 41.8g
• Material Hand-scooped paper cone

Suspensions

• Stiffness KMS 3.68N/mm
• Compliance CMS 272µm/N
• Equivalent volume to the compliance VAS 17.3L
• Mechanical resistance RMS 0.74N·s/m

Dimensions

• Nominal diameter 8″
• 216mm
• Overall diameter 216mm
• Baffle cutout diameter 175mm
• Mounting depth 40mm
• Volume occupied by the driver (estimated) 1L