Beyma 10CMV2

• Sensitivity (1W, 1m, infinite baffle) SPL1W 92.8dB
• Frequency response 60 - 5000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 52Hz
• Mechanical quality factor QMS 3.80
• Electrical quality factor QES 0.47
• Total quality factor QTS 0.42

Large signal parameters

• Maximum linear excursion xmax 6.5mm
• Maximum excursion before damage xlim 30mm
• Air volume displaced at xmax VD 247cm³
• Power handling P 250W
• Program power Pmax 500W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.9Ω
• Inductance (1kHz) LE 0.8mH
• VC Diameter 38.1mm
• Winding height HVC 16mm

Magnet

• Force factor Bl 13.4N/A
• Motor constant Bl/√RE 5.52N/√W
• Air gap height HAG 7mm

Diaphragm

• Effective diameter 220mm
• Effective area SD 380cm²
• Moving mass MMS 42g
• Moving mass (without air load) MMD 36.8g

Suspensions

• Stiffness KMS 4.63N/mm
• Compliance CMS 216µm/N
• Equivalent volume to the compliance VAS 44L
• Mechanical resistance RMS 3.7N·s/m

Dimensions

• Nominal diameter 10″
• 250mm
• Overall diameter 258mm
• Baffle cutout diameter 230mm
• Overall depth 115mm
• Volume occupied by the driver (estimated) 1.3L
• Net weight 3.1kg