Audison APS 8 D Subwoofer Driver | 500 W Peak Power | 200 mm | 4 + 4 ohm

• Ultra-low profile (3.11 in. / 79 mm) for maximum installation flexibility.
• Designed to deliver maximum performance in a sealed enclosure
  starting from 7.5 lt.
• Special designed cone-dustcap-basket geometry which guarantees a
  long linear excursion capability (almost 9 mm, one-way) while keeping
  the mounting depth to minimum.
• Air vents on the basket underneath the spider, eliminating the need for
  the central pole vent allowing mounting close to rear wall of enclosure.
• Massive motor assembly optimized with FEM (Finite Element Modeling)
  for perfect control under high power, high excursion conditions.
• Water-repellent pressed paper 8 in. cone featuring a profile developed
  with simulation and optimized with the Klippel Scan Vibrometer.
• Dual voice coil design specifically developed to be combined with either
  AP8.9 bit (2 CH + 2 CH bridged), AP5.9 bit (Sub CH) or AP4.9 bit/AP4 D
  (2 CH bridged) amplifiers.
• Steel mesh grille and plastic gasket included.

TECHNICAL SPECS
Size    200 mm
Power Handling - Peak    500 W
Power Handling - Continuous    250 W
Impedance    2 Ohm
Magnet Material    HIGH DENSITY FLUX FERRITE
Woofer Qes    0,46
Cone Material    WATER REPELLENT PRESSED PAPER
Xmax    8.8 mm
Xmech    16.5 mm

ELECTRIC-ACOUSTIC SPECS
D    173 mm
Driver Displacement Volume    0.67
Re    2.1 Ohm
Fs    30 Hz
Vas    25.5 l
Mms    85 g
Cms    0.3 mm/N
BL    8.8 T•m
Qms    5.1
Qts    0.44
Le Standard    1.1 mH
Spl    83.5 dB