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Home | Subwoofers | Prima | APS 10 S4S

APS 10 S4S Subwoofer Driver | 800 W Peak Power | 250 mm | 4 ohm

Prima compact subwoofer family expands with the introduction of the new 25 cm (10 in.) APS 10 S4S, optimized for enclosures with a reduced volume starting from 10 liters. The configuration of the single 4 ohm voice coil makes it ideal to be driven by the new AP F8.9 bit amplifier with built-in DSP that delivers an outstanding 260 W RMS with two channels bridged. Also interesting is the possibility to create custom enclosures with two APS 10 S4S driven by the AP 1D amplifier using the 540 W RMS delivered on the 2 ohm load resulting from the drivers connection in parallel.

Technical Specs

Size 250 mm
Power Handling - Peak 800 W
Power Handling - Continuous 400 W
Impedance 4 Ohm
Magnet Material HIGH DENSITY FLUX FERRITE
Voice Coil Ø 60 mm
Woofer Qes 0,75
Cone Material WATER REPELLENT PRESSED PAPER
Xmax 12.6 mm
Xmech 18 mm

Electric-acoustic Specs

D 220 mm
Driver Displacement Volume 1.12
Re 3.7 Ohm
Fs 28.5 Hz
Vas 39.62 l
Mms 160 g
Cms 0.2 mm/N
BL 12.9 T•m
Qms 6.9
Qts 0.68
Le Standard 1.9 mH
Spl 83.5 dB

General

Weight 5.24 kg

Dimensions

Dimension A 270 mm
Dimension B 233 mm
Dimension C 105 mm
Dimension D 88 mm

Features

  • Ultra-low profile (4.7 in. / 120 mm) for maximum installation flexibility. 
  • Designed to deliver maximum performance in a sealed enclosure starting from 10 lt.
  • Special-designed cone-dust cap-basket geometry guarantees a long linear excursion capability (11 mm, one-way) while keeping the mounting depth to a minimum.
  • Air vents on the basket underneath the spider, eliminating the need for the central pole vent allowing mounting close to the rear wall of the enclosure.
  • Massive motor assembly, optimized with FEM (Finite Element Modeling) for perfect control under high power, high excursion conditions.
  • Water-repellent treated paper 10 in. cone, featuring a profile developed with FEM simulation and optimized with the Klippel Scan Vibrometer.
  • Single voice coil design specifically developed to be combined with either AP F8.9 bit (2 CH bridged 260 W RMS) amplifiers taking advantage of the bass boost feature and integrated parametric equalizer of the built-in DSP.
  • Steel mesh grille and plastic gasket included. –

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