The APBX 8 DS loaded enclosure provides the highest performance/ size ratio. For this purpose an 8.5 lt. sealed enclosure with a 4+4 ohm dual voice-coil configuration was adopted to exploit the full power of an AF M5.11 bit (paralleling voice coils for a 2 ohm load) or with two pairs of AF C8.14 bit/AF M8.14 bit bridged channels (one bridged pair of channels to each voice coil). The speakers high excursion capability allows the use of the proprietary BASS BOOST of AP bit amplifiers to make use of all the available power for rich and dynamic bass. Technical Specs Nominal diameter 200 mm Impedance 4+4 Ohm Power Handling - Peak 500 W Power Handling - Continuous 250 W Magnet Material HIGH DENSITY FLUX FERRITE Cone Material WATER REPELLENT PRESSED PAPER Features Ultra-low profile (5.16 in. / 131 mm) box with sealed design perfectly tuned to fully exploit the APS 8 D driver. 2S² (2 Sides/2 Sounds) design provides the ability to choose between Down-Firing mounting to increase the low-frequency extension and Up-Firing install to obtain more punch and definition. Leveling feet with velcro inserts included for a secure grip with the carpet while maintaining easy removal. SSP (Sub Smart Plug) features both traditional push contacts and a Plug-&-Play terminal block to easily configure the impedance as required and provides a quick release. Rounded corners allow easy positioning in the trunk and act as reinforcement to reduce enclosure resonance. Special designed cone-dustcap-basket geometry which guarantees a long linear excursion capability (9 mm, one-way). Massive driver motor assembly, optimized with FEM (Finite Element Modeling) for perfect control under high excursion conditions. Water-repellent pressed paper 8 in. cone, featuring a profile developed with FEM simulation and optimized with the Klippel Scan Vibrometer. Specifically developed to be combined with either AF M1D mono or AF C4.10 bit/AF C4D/AF M4D (2 CH bridged) amplifiers taking advantage of the bass boost feature and integrated parametric equalizer of the built-in DSP. Sturdy metal grid included for a total protection of the subwoofer driver.
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