Eminence BETA-10B

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.7dB
• Frequency response 50 - 3500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 51.6Hz
• Mechanical quality factor QMS 4.33
• Electrical quality factor QES 0.58
• Total quality factor QTS 0.51

Large signal parameters

• Maximum linear excursion xmax 3mm
• Maximum excursion before damage xlim 8.6mm
• Air volume displaced at xmax VD 104cm³
• Power handling P 250W
• Program power Pmax 500W

Voice Coil

• Nominal impedance Z 16Ω
• DC resistance RE 15.1Ω
• Inductance (1kHz) LE 1.33mH
• VC Diameter 50.8mm
• Winding material Aluminum
• Former material Polyimide

Magnet

• Force factor Bl 15.1N/A
• Motor constant Bl/√RE 3.9N/√W
• Air gap height HAG 7.9mm
• Weight 0.964kg
• Material Ferrite

Diaphragm

• Effective diameter 210mm
• Effective area SD 345cm²
• Moving mass MMS 25g
• Moving mass (without air load) MMD 20.4g
• Material Paper

Suspensions

• Stiffness KMS 2.86N/mm
• Compliance CMS 350µm/N
• Equivalent volume to the compliance VAS 61.4L
• Mechanical resistance RMS 1.87N·s/m
• Surround material Cloth

Dimensions

• Nominal diameter 10″
• 254mm
• Overall diameter 257mm
• Baffle cutout diameter 232mm
• Overall depth 101mm
• Volume occupied by the driver 1.13L
• Net weight 3.084kg
• Frame material Pressed Steel