Beyma 10NMFS

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88dB
• Frequency response 30 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 35Hz
• Mechanical quality factor QMS 5.90
• Electrical quality factor QES 0.45
• Total quality factor QTS 0.42

Large signal parameters

• Maximum linear excursion xmax 14.5mm
• Maximum excursion before damage xlim 50mm
• Air volume displaced at xmax VD 537cm³
• Power handling P 350W
• Program power Pmax 700W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.9Ω
• Inductance (1kHz) LE 1.49mH
• VC Diameter 63.5mm
• Winding height HVC 32mm

Magnet

• Force factor Bl 16N/A
• Motor constant Bl/√RE 6.59N/√W
• Air gap height HAG 7mm

Diaphragm

• Effective diameter 217mm
• Effective area SD 370cm²
• Moving mass MMS 89g
• Moving mass (without air load) MMD 83.7g

Suspensions

• Stiffness KMS 4.29N/mm
• Compliance CMS 233µm/N
• Equivalent volume to the compliance VAS 45L
• Mechanical resistance RMS 3.3N·s/m

Dimensions

• Nominal diameter 10″
• 250mm
• Overall diameter 279mm
• Baffle cutout diameter 229mm
• Overall depth 173mm
• Volume occupied by the driver (estimated) 2.9L
• Net weight 6.5kg