Audio Control SPK-8S4 Spike Series 8-Inch Single 4-Ohm High-Performance Subwoofer

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SKU: AC-SPK8S4
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Regular price $199.00 USD

Spike Series 8-Inch Single 4-Ohm High-Performance Subwoofer

Get ready to immerse yourself in the deep, rumbling bass with the Spike Series Subwoofers from AudioControl. With over 45 years of expertise, AudioControl delivers high-performance subwoofers designed to elevate any vehicle's sound system.

Features:

  • High Excursion Design for Ultra Low Bass
  • Fiber Matrix Paper Cone with Mica Coating
  • 3-Layer High Temp Voice Coil Former
  • Dual Damping System for Linear Bass Reproduction
  • Dual Dust Cap System for Enclosure Compression Control
  • Efficient Heavy-Duty Motor Design
  • Removable Subwoofer Grille Included

Pairings:

  • A single Spike Series 4 ohm subwoofer pairs ideally with the ACM-2.300 or ACX-300.2 amplifiers for conservative to moderate listeners. For more imposing output, consider the LC-1.800 amplifier.
  • LC-5.1300 or D-5.1300 amplifiers provide esteemed output, with channel 5 being a fantastic match.
  • For systems with two Spike Series 4 ohm subwoofers, the LC-1.800 amplifier is recommended.
  • Consult an expert for configurations with three or more subwoofers.

Specifications (Thiele/Small Parameters):

  • Nominal Impedance (Z): 4 ohms
  • DC Resistance (Re): 3.2 ohms
  • Resonance Frequency (Fs): 60.3665 Hz
  • Piston Area (Sd): 0.0194 m2
  • Force Factor (BL): 11.3310 T.m
  • Mechanical Q Factor (Qms): 5.4933
  • Electrical Q Factor (Qes): 0.8733
  • Total Q Factor (Qts): 0.7535
  • Sensitivity 1W/M (SPL): 81.9876
  • Mechanical Compliance (Cms): 0.0752 mm/N
  • Moving Mass (Mms): 92.3784 g
  • Linear Excursion (Xmax): 8.5 mm
  • Volume Acoustic Compliance (Vas): 3.9378 Ltr/0.1390 Cu ft
  • Reference Efficiency (NO.): 0.0952%
  • RMS Power (Pe): 350 Watts
  • Frequency Response: 30-500 Hz
  • Voice Coil Diameter: 2.0 in/50.8 mm
  • Displacement: 0.05 cu ft/1.44Ltr

In the Box:

  • SPK-8S4 Subwoofer
  • Manual
  • Warranty

Dimensions:

  • Overall Dimensions: 23.00″ W × 11.50″H × 12.00″D
  • Cut Out Diameter: 7.25 in/184 mm
  • Mounting Depth: 4.291in/109 mm
  • Mounting Height (w/o Grille): 0.55in/14mm
  • Mounting Height (w/ Grille): 1.18in/30mm
  • Motor Diameter (w/ Cover): 5.55in/141mm

Ported Enclosure:

  • External Dimensions: 23.00″ W × 11.50″H × 12.00″D
  • Net Internal Volume: 0.89 ft3
  • Total Internal Volume: 1.22 ft3
  • Gross External Volume: 1.84 ft3
  • Material Thickness: 0.75″
  • Tuning Frequency: 40 Hz
  • Port Area: 17.50 inch2
  • Port Inlet: 1.75″W×10.00″H
  • Port Length: 28.00″
  • F3 (Hz): 34

Sealed Enclosure:

  • External Dimensions: 14.50″ W × 10.00″H × 10.00″D
  • Net Internal Volume: 0.49 ft3
  • Total Internal Volume: 0.54 ft3
  • Gross External Volume: 0.84 ft3
  • Material Thickness: 0.75″
  • F3 (Hz): 69.04
  • Qtc: 0.86

(Note: Enclosure size recommendations exclude driver and/or port displacement)