8" Audison Prima 500 W Peak Power 4 + 4 Ohm Subwoofer - APS8D



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Subwoofer Driver | 500 W Peak Power | 200 mm | 4 + 4 ohm

The APS 8 D is designed to deliver maximum performance in a sealed enclosure with ultra-compact volumes from 7.5 lt. to 8.5 lt. It features push connectors for ease of wiring and configurations and has been developed with a primary goal: to deliver high output in tight spaces. Output is a matter of excursion; the more air the cone moves, the more output. However reduced mounting depth traditionally has meant low excursion. Prima subwoofers employ a special cone-dustcap-basket geometry which guarantees large excursion of the mobile group, while keeping the mounting depth to a minimum. The surround and spider have been carefully designed to prevent the rocking-mode phenomenon. The cooling circuit has been designed with air vents on the basket underneath the spider, eliminating the need for vents on the bottom-plate. This allows the subwoofer to be mounted close to the back wall of the enclosure, making the most of the reduced mounting depth.

Features

  • 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
Size200 mm
Power Handling - Peak500 W
Power Handling - Continuous250 W
Impedance2 Ohm
Magnet MaterialHIGH DENSITY FLUX FERRITE
Woofer Qes0,46
Cone MaterialWATER REPELLENT PRESSED PAPER
Xmax8.8 mm
Xmech16.5 mm
ELECTRIC-ACOUSTIC SPECS
D173 mm
Driver Displacement Volume0.67
Re2.1 Ohm
Fs30 Hz
Vas25.5 l
Mms85 g
Cms0.3 mm/N
BL8.8 T•m
Qms5.1
Qts0.44
Le Standard1.1 mH
Spl83.5 dB
General
Weight3.1 kg
Dimensions
Dimension A222 mm
Dimension B187 mm
Dimension C94.6 mm
Dimension D79 mm

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