Beyma 8MC300Nd

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.2dB
• Frequency response 80 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 76Hz
• Mechanical quality factor QMS 6.20
• Electrical quality factor QES 0.29
• Total quality factor QTS 0.28

Large signal parameters

• Maximum linear excursion xmax 6mm
• Maximum excursion before damage xlim 35mm
• Air volume displaced at xmax VD 132cm³
• Power handling P 300W
• Program power Pmax 600W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.2Ω
• Inductance (1kHz) LE 0.5mH
• VC Diameter 50.8mm
• Winding height HVC 15mm

Magnet

• Force factor Bl 16N/A
• Motor constant Bl/√RE 6.43N/√W
• Air gap height HAG 7mm

Diaphragm

• Effective diameter 167mm
• Effective area SD 220cm²
• Moving mass MMS 25g
• Moving mass (without air load) MMD 22.6g

Suspensions

• Stiffness KMS 5.85N/mm
• Compliance CMS 171µm/N
• Equivalent volume to the compliance VAS 11.6L
• Mechanical resistance RMS 2N·s/m

Dimensions

• Nominal diameter 8″
• 200mm
• Overall diameter 212mm
• Baffle cutout diameter 182mm
• Overall depth 97mm
• Volume occupied by the driver (estimated) 0.77L
• Net weight 1.9kg