Dayton Audio Max-X MX15-22

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.1dB
• Frequency response 18 - 400Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 21.7Hz
• Mechanical quality factor QMS 4.27
• Electrical quality factor QES 0.46
• Total quality factor QTS 0.40

Large signal parameters

• Maximum linear excursion xmax 19mm
• Air volume displaced at xmax VD 1558cm³
• Power handling P 800W
• Program power Pmax 1600W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 4.0Ω
• Inductance (1kHz, in series) LE 5.51mH
• VC Diameter 63.5mm

Magnet

• Force factor (in series) Bl 20.6N/A
• Motor constant Bl/√RE 10.3N/√W
• Material Ferrite

Diaphragm

• Effective diameter 323mm
• Effective area SD 820cm²
• Moving mass MMS 348g
• Moving mass (without air load) MMD 331g
• Material Paper / Glass Fiber

Suspensions

• Stiffness KMS 6.25N/mm
• Compliance CMS 160µm/N
• Equivalent volume to the compliance VAS 146L
• Mechanical resistance RMS 11.1N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 15″
• 392mm
• Overall diameter 392mm
• Baffle cutout diameter 356mm
• Overall depth 232mm
• Volume occupied by the driver (estimated) 6.3L
• Frame material Steel