B&C Speaker 6MDN44

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.1dB
• Frequency response 150 - 6000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 140Hz
• Mechanical quality factor QMS 2.80
• Electrical quality factor QES 0.46
• Total quality factor QTS 0.40

Large signal parameters

• Maximum linear excursion xmax 2.5mm
• Air volume displaced at xmax VD 33cm³
• Power handling P 200W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.4Ω
• Inductance (1kHz) LE 0.47mH
• VC Diameter 44mm
• Winding height HVC 10mm
• Winding material Aluminium
• Former material Glass Fibre

Magnet

• Flux density B 1.45T
• Force factor Bl 11N/A
• Motor constant Bl/√RE 4.73N/√W
• Air gap height HAG 6mm
• Material Neodymium Ring

Diaphragm

• Effective diameter 130mm
• Effective area SD 132cm²
• Moving mass MMS 11g
• Moving mass (without air load) MMD 9.8g
• Material Waterproof Front Side

Suspensions

• Stiffness KMS 9.09N/mm
• Compliance CMS 110µm/N
• Equivalent volume to the compliance VAS 2.7L
• Mechanical resistance RMS 3.46N·s/m

Dimensions

• Nominal diameter 6.5″
• 170mm
• Overall diameter 187mm
• Baffle cutout diameter 145mm
• Overall depth 73mm
• Flange thickness 11mm
• Mounting depth 62mm
• Volume occupied by the driver 0.6L
• Net weight 1.0kg