Dayton Audio Max-X MX15-22

2x2Ω

Subwoofer

Nominal diameter15″ / 392 mm
Resonance21.7 Hz
Q factor0.40
Sensitivity87.1 dB
Linear excursion± 19 mm
Program Power1600 W
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
  • 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
Dayton Audio MX15-22 Impedance


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