SPC-12S4

• Low-Profile Shallow Mount Subwoofer
• Fiber Matrix Injection Molded Polypropylene Cone
• Weather-Resistant Design
• 3-Layer High Temp Voice Coil Former
• Optimal Thermal Efficiency
• Wrap-Sealed Rubber Gasket to Protect Enclosure Interior
• Removable Subwoofer Grille Included.

Bass Features:

• Full bass in a package that fits into the smaller spaces of today's vehicles.
• This sub can dish out all the bass you'll need and is suitable for sealed or ported enclosures.

thiele/small parameters

• Nominal Impedance (Z)               4 ohms
• DC Resistance (Re) ]]                    3.2 ohms
• Resonance Frequency (Fs)          30.7061 Hz
• Piston Area (Sd)                            0.0511 m2
• Force Factor (BL)                          12.4924 T.m
• Mechanical Q Factor (Qms)        3.7494
• Electrical Q Factor (Qes)             0.5764
• Total Q Factor (Qts)                     0.4996
• Sensitivity 1W/M (SPL)                87.3024
• Mechanical Comp (Cms)             0.1844 mm/N
• Moving Mass (Mms)                    145.7101 g
• Linear Excursion (Xmax)           9 mm
• Volume Acoustic Comp (Vas)    67.1494 Ltr/2.371348 cu ft
• Reference Efficiency (NO.)         0.32% RMS
• Power (Pe)                                    400 Watts
• Frequency Response                   20-250 Hz
• Voice Coil Diameter                    2.5 in/63.5 mm
• Displacement                              0.0619 cu ft/1.752 Ltr

in the box:

• SPC-12S2, Manual, Warranty

dimensions

• Overall Dimensions: 12.37 in/316 mm
• Cut Out Diameter: 11.10 in/282 mm
• Mounting Depth: 3.94 in/100 mm
• Mounting Height (w/o Grille): 0.71 in / 18mm
• Mounting Height (w/ Grille): 1.42 in/36mm

ported enclosure

• External Dimensions: 24.00″ W × 15.00″H × 15.00″D
• Net Internal Volume:  2.02 ft3
• Total Internal Volume:  2.28 ft3
• Gross External Volume:  3.01 ft3
• Material Thickness: 0.75″
• Tuning Frequency: 40 Hz
• Port Area” 27.00 inch2
• Port Inlet:  2.00″W× 13.50″H
• Port Length:  16.25″
• F3 (Hz):  40

sealed enclosure

• External Dimensions: 32″ W × 15.00″H × 7.00″D
• Net Internal Volume:  1.25 ft3
• Total Internal Volume: 1.31 ft3
• Gross External Volume: 1.94 ft3
• Material Thickness: 0.75″
• F3 (Hz): 51
• Qtc:  0.765

*Enclosure size recommendations do not include driver and/or port displacement

Full Line Catalog

Literature

User Manual

Templates