Beyma 15LEX1000Nd

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.1dB
• Frequency response 40 - 1500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 41Hz
• Mechanical quality factor QMS 3.90
• Electrical quality factor QES 0.41
• Total quality factor QTS 0.37

Large signal parameters

• Maximum linear excursion xmax 11mm
• Maximum excursion before damage xlim 60mm
• Air volume displaced at xmax VD 968cm³
• Power handling P 1000W
• Program power Pmax 2000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.2Ω
• Inductance (1kHz) LE 1.1mH
• VC Diameter 88.9mm
• Winding height HVC 27mm

Magnet

• Force factor Bl 21.9N/A
• Motor constant Bl/√RE 9.6N/√W
• Air gap height HAG 12mm

Diaphragm

• Effective diameter 335mm
• Effective area SD 880cm²
• Moving mass MMS 147g
• Moving mass (without air load) MMD 129g

Suspensions

• Stiffness KMS 9.71N/mm
• Compliance CMS 103µm/N
• Equivalent volume to the compliance VAS 113L
• Mechanical resistance RMS 9.7N·s/m

Dimensions

• Nominal diameter 15″
• 380mm
• Overall diameter 393mm
• Baffle cutout diameter 352mm
• Overall depth 189mm
• Volume occupied by the driver (estimated) 4.3L
• Net weight 7.6kg