Audio Control SPK-12S4 Spike Series 12-Inch Single 4-Ohm High-Performance Subwoofer

Spike Series 12-Inch Single 4-Ohm High-Performance Subwoofer

Are you ready to elevate your car audio experience with deep, precise bass? Look no further than the Spike Series Subwoofers from AudioControl. With over 45 years of expertise, AudioControl brings you high-performance subwoofers designed to enhance 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 pleasingly with the ACM-2.300 or ACX-300.2 amplifiers for conservative to moderate listeners. For more lavish output, consider pairing with the LC-1.800 amplifier.
• LC-5.1300 or D-5.1300 amplifiers deliver generous power, with channel 5 being a solid 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): 40.4239 Hz
• Piston Area (Sd): 0.0491 m2
• Force Factor (BL): 13.7286 T.m
• Mechanical Q Factor (Qms): 6.5823
• Electrical Q Factor (Qes): 0.8207
• Total Q Factor (Qts): 0.7297
• Sensitivity 1W/M (SPL): 85.4588
• Mechanical Compliance (Cms): 0.0815 mm/N
• Moving Mass (Mms): 190.3035 g
• Linear Excursion (Xmax): 14 mm
• Volume Acoustic Compliance (Vas): 27.4067 Ltr/0.9678 cu ft
• Reference Efficiency (NO.): 0.2118% RMS
• Power (Pe): 500 Watts
• Frequency Response: 20-200 Hz
• Voice Coil Diameter: 2.5 in/63.5 mm
• Displacement: 0.0885 cu ft/2.506 Lt

In the Box:

• SPK-12S4 Subwoofer
• Manual
  

Dimensions:

• Overall Dimensions: 12.76in/324mm
• Cut Out Diameter: 11.125 in/282mm
• Mounting Depth: 6.14 in/156 mm
• Mounting Height (w/o Grille): 0.68in/17.3mm
• Mounting Height (w/ Grille): 1.437in/36.5mm
• Motor Diameter (w/ Cover): 6.41in/163mm
• Weight: 15 lbs

Ported Enclosure:

• External Dimensions: 24.00″ W × 15.00″H × 14.25″D
• Net Internal Volume: 1.77 ft3
• Total Internal Volume: 2.18 ft3
• Gross External Volume: 2.97 ft3
• Material Thickness: 0.75″
• Tuning Frequency: 39 Hz
• Port Area: 27 inch2
• Port Inlet: 2.00″W×13.50″H
• Port Length: 20.75″
• F3 (Hz): 30

Sealed Enclosure:

• External Dimensions: 18.00″ W × 15.00″H × 10.00″D
• Net Internal Volume: 1.0 ft3
• Total Internal Volume: 1.09 ft3
• Gross External Volume: 1.56 ft3
• Material Thickness: 0.75″
• F3 (Hz): 52.77
• Qtc: 0.948

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