Beyma 15QLEX1600Fe

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.5dB
• Frequency response 35 - 1000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 33Hz
• Mechanical quality factor QMS 6.30
• Electrical quality factor QES 0.22
• Total quality factor QTS 0.21

Large signal parameters

• Maximum linear excursion xmax 13mm
• Maximum excursion before damage xlim 60mm
• Air volume displaced at xmax VD 1144cm³
• Power handling P 1600W
• Program power Pmax 3200W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.3Ω
• Inductance (1kHz) LE 3.7mH
• VC Diameter 101.6mm
• Winding height HVC 32mm

Magnet

• Force factor Bl 35.6N/A
• Motor constant Bl/√RE 15.5N/√W
• Air gap height HAG 15mm

Diaphragm

• Effective diameter 335mm
• Effective area SD 880cm²
• Moving mass MMS 254g
• Moving mass (without air load) MMD 236g

Suspensions

• Stiffness KMS 10.8N/mm
• Compliance CMS 93µm/N
• Equivalent volume to the compliance VAS 102L
• Mechanical resistance RMS 8.3N·s/m

Dimensions

• Nominal diameter 15″
• 380mm
• Overall diameter 393mm
• Baffle cutout diameter 352mm
• Overall depth 191mm
• Volume occupied by the driver (estimated) 6.4L
• Net weight 13.9kg