files/spk-12s-upright-grille_1.jpg
files/spk-12s-front-grille_1.jpg
files/spk-12s-right-grille_1.jpg
files/spk-12s4-rear-left.jpg
files/spk-12s-upright_1.jpg
files/spk-12s-left_1.jpg
files/spk-12s-front_1.jpg
files/spk-12s-right_2.jpg

AudioControl SPK-12S4

Regular price: $229.00

Regular price: $229.00

Quantity

{"id":8208182902980,"title":"AudioControl SPK-12S4","handle":"audiocontrol-spk-12s4","description":"\u003cdiv class=\"et_pb_section et_pb_section_0 car-audio et_pb_with_background et_section_regular\"\u003e\n\u003cdiv class=\"et_pb_row et_pb_row_2 et_pb_row_3-4_1-4\"\u003e\n\u003cdiv class=\"et_pb_column et_pb_column_3_4 et_pb_column_4  et_pb_css_mix_blend_mode_passthrough\"\u003e\n\u003cdiv class=\"et_pb_module et_pb_text et_pb_text_1  et_pb_text_align_left et_pb_bg_layout_light\"\u003e\n\u003cdiv class=\"et_pb_text_inner\"\u003e\n\u003ch3\u003e\n\u003cspan\u003eSPIKE SERIES \u003c\/span\u003e\u003cspan\u003e12-INCH SINGLE 4-\u003cb\u003eOHM\u003c\/b\u003e \u003c\/span\u003eHIGH-PERFORMANCE SUBWOOFER\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_column et_pb_column_1_4 et_pb_column_5  et_pb_css_mix_blend_mode_passthrough et-last-child\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_row et_pb_row_3\"\u003e\n\u003cdiv class=\"et_pb_column et_pb_column_4_4 et_pb_column_6  et_pb_css_mix_blend_mode_passthrough et-last-child\"\u003e\n\u003cdiv class=\"et_pb_module et_pb_text et_pb_text_2  et_pb_text_align_left et_pb_bg_layout_light\"\u003e\n\u003cdiv class=\"et_pb_text_inner\"\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_section et_pb_section_1 pro-audio et_pb_with_background et_section_regular\"\u003e\n\u003cdiv class=\"et_pb_row et_pb_row_4\"\u003e\n\u003cdiv class=\"et_pb_column et_pb_column_1_2 et_pb_column_7  et_pb_css_mix_blend_mode_passthrough\"\u003e\n\u003cdiv class=\"et_pb_module et_pb_text et_pb_text_3  et_pb_text_align_left et_pb_bg_layout_dark\"\u003e\n\u003cdiv class=\"et_pb_text_inner\"\u003e\n\u003ch3\u003eFEATURES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh Excursion Design for Ultra-Low Bass\u003c\/li\u003e\n\u003cli\u003eFiber Matrix Paper Cone with Mica Coating\u003c\/li\u003e\n\u003cli\u003e3-Layer High Temp Voice Coil Former\u003c\/li\u003e\n\u003cli\u003eDual Damping System for Linear Bass Reproduction\u003c\/li\u003e\n\u003cli\u003eDual Dust Cap System for Enclosure Compression Control\u003c\/li\u003e\n\u003cli\u003eEfficient Heavy-Duty Motor Design\u003c\/li\u003e\n\u003cli\u003eRemovable Subwoofer Grille Included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_module et_pb_text et_pb_text_4  et_pb_text_align_left et_pb_bg_layout_dark\"\u003e\n\u003cdiv class=\"et_pb_text_inner\"\u003e\n\u003ch3\u003ePAIRINGS\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOur Sonic Sommeliers Recommend the Following: A single Spike Series 4 ohm subwoofer pairs pleasingly with the \u003c\/span\u003e\u003cspan\u003eACM-2.300 or ACX-300.2 for the conservative to moderate listener. For more lavish output, pair with the LC-1.800.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePlanning to adore the well-endowed output from our LC-5.1300 or D-5.1300 ampliﬁer? The generous power delivered by channel 5 is a solid match! Bon appétit!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor system designs utilizing two Spike Series 4 ohm subwoofers, we recommend the LC-1.800… Impressive!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLooking for a full on bass bonanza? Planning to include three or more Spike Series subwoofers in your system? Consult an expert at your favorite authorized AudioControl dealer, or visit audiocontrol.com for more system conﬁgurations that deliver a bounty of bass.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_column et_pb_column_1_2 et_pb_column_8  et_pb_css_mix_blend_mode_passthrough et-last-child\"\u003e\n\u003cdiv class=\"et_pb_module et_pb_image et_pb_image_0\"\u003e\u003cspan class=\"et_pb_image_wrap\"\u003e\u003cimg class=\"wp-image-44970\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 500px, 100vw\" srcset=\"https:\/\/www.audiocontrol.com\/wp-content\/uploads\/2023\/05\/2023-05-24_12-45-28.png 500w, https:\/\/www.audiocontrol.com\/wp-content\/uploads\/2023\/05\/2023-05-24_12-45-28-480x179.png 480w\" title=\"2023-05-24_12-45-28\" alt=\"\" src=\"https:\/\/www.audiocontrol.com\/wp-content\/uploads\/2023\/05\/2023-05-24_12-45-28.png\" height=\"186\" width=\"500\" decoding=\"async\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_section et_pb_section_2 specifications-car et_pb_with_background et_section_regular\"\u003e\n\u003cdiv class=\"et_pb_row et_pb_row_5\"\u003e\n\u003cdiv class=\"et_pb_column et_pb_column_4_4 et_pb_column_9  et_pb_css_mix_blend_mode_passthrough et-last-child\"\u003e\n\u003cdiv class=\"et_pb_module et_pb_text et_pb_text_5  et_pb_text_align_left et_pb_bg_layout_light\"\u003e\n\u003cdiv class=\"et_pb_text_inner\"\u003e\n\u003ch1 id=\"specs\"\u003eSPECIFICATIONS\u003c\/h1\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_row et_pb_row_6\"\u003e\n\u003cdiv class=\"et_pb_column et_pb_column_1_2 et_pb_column_10  et_pb_css_mix_blend_mode_passthrough\"\u003e\n\u003cdiv class=\"et_pb_module et_pb_text et_pb_text_6  et_pb_text_align_left et_pb_bg_layout_light\"\u003e\n\u003cdiv class=\"et_pb_text_inner\"\u003e\n\u003ch3\u003eTHIELE\/SMALL PARAMETERS\u003c\/h3\u003e\n\u003cp\u003eNominal Impedance (Z)               4 ohms\u003c\/p\u003e\n\u003cp\u003eDC Resistance (Re) ]]                    3.2 ohms\u003c\/p\u003e\n\u003cp\u003eResonance Frequency (Fs)          40.4239 Hz\u003c\/p\u003e\n\u003cp\u003ePiston Area (Sd)                            0.0491 m2\u003c\/p\u003e\n\u003cp\u003eForce Factor (BL)                         13.7286 T.m\u003c\/p\u003e\n\u003cp\u003eMechanical Q Factor (Qms)       6.5823\u003c\/p\u003e\n\u003cp\u003eElectrical Q Factor (Qes)             0.8207\u003c\/p\u003e\n\u003cp\u003eTotal Q Factor (Qts)                    0.7297\u003c\/p\u003e\n\u003cp\u003eSensitivity 1W\/M (SPL)               85.4588\u003c\/p\u003e\n\u003cp\u003eMechanical Comp (Cms)            0.0815 mm\/N\u003c\/p\u003e\n\u003cp\u003eMoving Mass (Mms)                   190.3035 g\u003c\/p\u003e\n\u003cp\u003eLinear Excursion (Xmax) .          14 mm\u003c\/p\u003e\n\u003cp\u003eVolume Acoustic Comp (Vas)    27.4067 Ltr\/ 0.9678 cu ft\u003c\/p\u003e\n\u003cp\u003eReference Efficiency (NO.)         0.2118% RMS\u003c\/p\u003e\n\u003cp\u003ePower (Pe)                                    500 Watts\u003c\/p\u003e\n\u003cp\u003eFrequency Response                  20-200 Hz\u003c\/p\u003e\n\u003cp\u003eVoice Coil Diameter                   2.5 in\/63.5 mm\u003c\/p\u003e\n\u003cp\u003eDisplacement                              0.0885 cu ft\/ 2.506 Lt\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"inline-title-car\"\u003eIN THE BOX:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSPK-12S4, Manual, Warranty\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_column et_pb_column_1_2 et_pb_column_11  et_pb_css_mix_blend_mode_passthrough et-last-child\"\u003e\n\u003cdiv class=\"et_pb_module et_pb_text et_pb_text_7  et_pb_text_align_left et_pb_bg_layout_light\"\u003e\n\u003cdiv class=\"et_pb_text_inner\"\u003e\n\u003ch3\u003eDIMENSIONS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOverall Dimensions: 12.76in\/ 324mm\u003c\/li\u003e\n\u003cli\u003eCut Out Diameter: 11.125 in\/ 282mm\u003c\/li\u003e\n\u003cli\u003eMounting Depth: 6.14 in\/ 156 mm\u003c\/li\u003e\n\u003cli\u003eMounting Height (w\/o Grille): 0.68in \/ 17.3mm\u003c\/li\u003e\n\u003cli\u003eMounting Height (w\/ Grille): 1.437in \/ 36.5mm\u003c\/li\u003e\n\u003cli\u003eMotor Diameter (w\/ Cover): 6.41in \/ 163mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_module et_pb_text et_pb_text_8  et_pb_text_align_left et_pb_bg_layout_light\"\u003e\n\u003cdiv class=\"et_pb_text_inner\"\u003e\n\u003ch3\u003ePORTED ENCLOSURE\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExternal Dimensions: 24.00″ W × 15.00″H × 14.25″D\u003c\/li\u003e\n\u003cli\u003eNet Internal Volume:  1.77 ft3\u003c\/li\u003e\n\u003cli\u003eTotal Internal Volume:  2.18 ft3\u003c\/li\u003e\n\u003cli\u003eGross External Volume:  2.97 ft3\u003c\/li\u003e\n\u003cli\u003eMaterial Thickness: 0.75″\u003c\/li\u003e\n\u003cli\u003eTuning Frequency: 39 Hz\u003c\/li\u003e\n\u003cli\u003ePort Area” 27 inch2\u003c\/li\u003e\n\u003cli\u003ePort Inlet: 2.00″W× 13.50″H\u003c\/li\u003e\n\u003cli\u003ePort Length: 20.75″\u003c\/li\u003e\n\u003cli\u003eF3 (Hz):  30\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_module et_pb_text et_pb_text_9  et_pb_text_align_left et_pb_bg_layout_light\"\u003e\n\u003cdiv class=\"et_pb_text_inner\"\u003e\n\u003ch3\u003eSEALED ENCLOSURE\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExternal Dimensions: 18.00″ W × 15.00″H × 10.00″D\u003c\/li\u003e\n\u003cli\u003eNet Internal Volume:  1.0 ft3\u003c\/li\u003e\n\u003cli\u003eTotal Internal Volume: 1.09 ft3\u003c\/li\u003e\n\u003cli\u003eGross External Volume: 1.56 ft3\u003c\/li\u003e\n\u003cli\u003eMaterial Thickness: 0.75″\u003c\/li\u003e\n\u003cli\u003eF3 (Hz): 52.77\u003c\/li\u003e\n\u003cli\u003eQtc:  0.948\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e*Enclosure size recommendations do not include driver and\/or displacement\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","published_at":"2025-03-13T10:26:19-05:00","created_at":"2025-03-13T10:26:19-05:00","vendor":"AudioControl","type":"","tags":[],"price":22900,"price_min":22900,"price_max":22900,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":44688700997828,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"AudioControl SPK-12S4","public_title":null,"options":["Default Title"],"price":22900,"weight":0,"compare_at_price":null,"inventory_management":null,"barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s-upright-grille_1.jpg?v=1741879563","\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s-front-grille_1.jpg?v=1741879563","\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s-right-grille_1.jpg?v=1741879563","\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s4-rear-left.jpg?v=1741879563","\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s-upright_1.jpg?v=1741879563","\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s-left_1.jpg?v=1741879563","\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s-front_1.jpg?v=1741879563","\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s-right_2.jpg?v=1741879563"],"featured_image":"\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s-upright-grille_1.jpg?v=1741879563","options":["Title"],"media":[{"alt":null,"id":34378188652740,"position":1,"preview_image":{"aspect_ratio":2.286,"height":1120,"width":2560,"src":"\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s-upright-grille_1.jpg?v=1741879563"},"aspect_ratio":2.286,"height":1120,"media_type":"image","src":"\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s-upright-grille_1.jpg?v=1741879563","width":2560},{"alt":null,"id":34378188685508,"position":2,"preview_image":{"aspect_ratio":2.286,"height":1120,"width":2560,"src":"\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s-front-grille_1.jpg?v=1741879563"},"aspect_ratio":2.286,"height":1120,"media_type":"image","src":"\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s-front-grille_1.jpg?v=1741879563","width":2560},{"alt":null,"id":34378188718276,"position":3,"preview_image":{"aspect_ratio":2.286,"height":1120,"width":2560,"src":"\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s-right-grille_1.jpg?v=1741879563"},"aspect_ratio":2.286,"height":1120,"media_type":"image","src":"\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s-right-grille_1.jpg?v=1741879563","width":2560},{"alt":null,"id":34378188751044,"position":4,"preview_image":{"aspect_ratio":2.286,"height":1120,"width":2560,"src":"\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s4-rear-left.jpg?v=1741879563"},"aspect_ratio":2.286,"height":1120,"media_type":"image","src":"\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s4-rear-left.jpg?v=1741879563","width":2560},{"alt":null,"id":34378188783812,"position":5,"preview_image":{"aspect_ratio":2.286,"height":1120,"width":2560,"src":"\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s-upright_1.jpg?v=1741879563"},"aspect_ratio":2.286,"height":1120,"media_type":"image","src":"\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s-upright_1.jpg?v=1741879563","width":2560},{"alt":null,"id":34378188816580,"position":6,"preview_image":{"aspect_ratio":2.286,"height":1120,"width":2560,"src":"\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s-left_1.jpg?v=1741879563"},"aspect_ratio":2.286,"height":1120,"media_type":"image","src":"\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s-left_1.jpg?v=1741879563","width":2560},{"alt":null,"id":34378188849348,"position":7,"preview_image":{"aspect_ratio":2.286,"height":1120,"width":2560,"src":"\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s-front_1.jpg?v=1741879563"},"aspect_ratio":2.286,"height":1120,"media_type":"image","src":"\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s-front_1.jpg?v=1741879563","width":2560},{"alt":null,"id":34378188882116,"position":8,"preview_image":{"aspect_ratio":2.286,"height":1120,"width":2560,"src":"\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s-right_2.jpg?v=1741879563"},"aspect_ratio":2.286,"height":1120,"media_type":"image","src":"\/\/thestereoguru.com\/cdn\/shop\/files\/spk-12s-right_2.jpg?v=1741879563","width":2560}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cdiv class=\"et_pb_section et_pb_section_0 car-audio et_pb_with_background et_section_regular\"\u003e\n\u003cdiv class=\"et_pb_row et_pb_row_2 et_pb_row_3-4_1-4\"\u003e\n\u003cdiv class=\"et_pb_column et_pb_column_3_4 et_pb_column_4  et_pb_css_mix_blend_mode_passthrough\"\u003e\n\u003cdiv class=\"et_pb_module et_pb_text et_pb_text_1  et_pb_text_align_left et_pb_bg_layout_light\"\u003e\n\u003cdiv class=\"et_pb_text_inner\"\u003e\n\u003ch3\u003e\n\u003cspan\u003eSPIKE SERIES \u003c\/span\u003e\u003cspan\u003e12-INCH SINGLE 4-\u003cb\u003eOHM\u003c\/b\u003e \u003c\/span\u003eHIGH-PERFORMANCE SUBWOOFER\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_column et_pb_column_1_4 et_pb_column_5  et_pb_css_mix_blend_mode_passthrough et-last-child\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_row et_pb_row_3\"\u003e\n\u003cdiv class=\"et_pb_column et_pb_column_4_4 et_pb_column_6  et_pb_css_mix_blend_mode_passthrough et-last-child\"\u003e\n\u003cdiv class=\"et_pb_module et_pb_text et_pb_text_2  et_pb_text_align_left et_pb_bg_layout_light\"\u003e\n\u003cdiv class=\"et_pb_text_inner\"\u003e\n\u003cp class=\"p1\"\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_section et_pb_section_1 pro-audio et_pb_with_background et_section_regular\"\u003e\n\u003cdiv class=\"et_pb_row et_pb_row_4\"\u003e\n\u003cdiv class=\"et_pb_column et_pb_column_1_2 et_pb_column_7  et_pb_css_mix_blend_mode_passthrough\"\u003e\n\u003cdiv class=\"et_pb_module et_pb_text et_pb_text_3  et_pb_text_align_left et_pb_bg_layout_dark\"\u003e\n\u003cdiv class=\"et_pb_text_inner\"\u003e\n\u003ch3\u003eFEATURES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh Excursion Design for Ultra-Low Bass\u003c\/li\u003e\n\u003cli\u003eFiber Matrix Paper Cone with Mica Coating\u003c\/li\u003e\n\u003cli\u003e3-Layer High Temp Voice Coil Former\u003c\/li\u003e\n\u003cli\u003eDual Damping System for Linear Bass Reproduction\u003c\/li\u003e\n\u003cli\u003eDual Dust Cap System for Enclosure Compression Control\u003c\/li\u003e\n\u003cli\u003eEfficient Heavy-Duty Motor Design\u003c\/li\u003e\n\u003cli\u003eRemovable Subwoofer Grille Included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_module et_pb_text et_pb_text_4  et_pb_text_align_left et_pb_bg_layout_dark\"\u003e\n\u003cdiv class=\"et_pb_text_inner\"\u003e\n\u003ch3\u003ePAIRINGS\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOur Sonic Sommeliers Recommend the Following: A single Spike Series 4 ohm subwoofer pairs pleasingly with the \u003c\/span\u003e\u003cspan\u003eACM-2.300 or ACX-300.2 for the conservative to moderate listener. For more lavish output, pair with the LC-1.800.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePlanning to adore the well-endowed output from our LC-5.1300 or D-5.1300 ampliﬁer? The generous power delivered by channel 5 is a solid match! Bon appétit!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor system designs utilizing two Spike Series 4 ohm subwoofers, we recommend the LC-1.800… Impressive!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLooking for a full on bass bonanza? Planning to include three or more Spike Series subwoofers in your system? Consult an expert at your favorite authorized AudioControl dealer, or visit audiocontrol.com for more system conﬁgurations that deliver a bounty of bass.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_column et_pb_column_1_2 et_pb_column_8  et_pb_css_mix_blend_mode_passthrough et-last-child\"\u003e\n\u003cdiv class=\"et_pb_module et_pb_image et_pb_image_0\"\u003e\u003cspan class=\"et_pb_image_wrap\"\u003e\u003cimg class=\"wp-image-44970\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 500px, 100vw\" srcset=\"https:\/\/www.audiocontrol.com\/wp-content\/uploads\/2023\/05\/2023-05-24_12-45-28.png 500w, https:\/\/www.audiocontrol.com\/wp-content\/uploads\/2023\/05\/2023-05-24_12-45-28-480x179.png 480w\" title=\"2023-05-24_12-45-28\" alt=\"\" src=\"https:\/\/www.audiocontrol.com\/wp-content\/uploads\/2023\/05\/2023-05-24_12-45-28.png\" height=\"186\" width=\"500\" decoding=\"async\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_section et_pb_section_2 specifications-car et_pb_with_background et_section_regular\"\u003e\n\u003cdiv class=\"et_pb_row et_pb_row_5\"\u003e\n\u003cdiv class=\"et_pb_column et_pb_column_4_4 et_pb_column_9  et_pb_css_mix_blend_mode_passthrough et-last-child\"\u003e\n\u003cdiv class=\"et_pb_module et_pb_text et_pb_text_5  et_pb_text_align_left et_pb_bg_layout_light\"\u003e\n\u003cdiv class=\"et_pb_text_inner\"\u003e\n\u003ch1 id=\"specs\"\u003eSPECIFICATIONS\u003c\/h1\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_row et_pb_row_6\"\u003e\n\u003cdiv class=\"et_pb_column et_pb_column_1_2 et_pb_column_10  et_pb_css_mix_blend_mode_passthrough\"\u003e\n\u003cdiv class=\"et_pb_module et_pb_text et_pb_text_6  et_pb_text_align_left et_pb_bg_layout_light\"\u003e\n\u003cdiv class=\"et_pb_text_inner\"\u003e\n\u003ch3\u003eTHIELE\/SMALL PARAMETERS\u003c\/h3\u003e\n\u003cp\u003eNominal Impedance (Z)               4 ohms\u003c\/p\u003e\n\u003cp\u003eDC Resistance (Re) ]]                    3.2 ohms\u003c\/p\u003e\n\u003cp\u003eResonance Frequency (Fs)          40.4239 Hz\u003c\/p\u003e\n\u003cp\u003ePiston Area (Sd)                            0.0491 m2\u003c\/p\u003e\n\u003cp\u003eForce Factor (BL)                         13.7286 T.m\u003c\/p\u003e\n\u003cp\u003eMechanical Q Factor (Qms)       6.5823\u003c\/p\u003e\n\u003cp\u003eElectrical Q Factor (Qes)             0.8207\u003c\/p\u003e\n\u003cp\u003eTotal Q Factor (Qts)                    0.7297\u003c\/p\u003e\n\u003cp\u003eSensitivity 1W\/M (SPL)               85.4588\u003c\/p\u003e\n\u003cp\u003eMechanical Comp (Cms)            0.0815 mm\/N\u003c\/p\u003e\n\u003cp\u003eMoving Mass (Mms)                   190.3035 g\u003c\/p\u003e\n\u003cp\u003eLinear Excursion (Xmax) .          14 mm\u003c\/p\u003e\n\u003cp\u003eVolume Acoustic Comp (Vas)    27.4067 Ltr\/ 0.9678 cu ft\u003c\/p\u003e\n\u003cp\u003eReference Efficiency (NO.)         0.2118% RMS\u003c\/p\u003e\n\u003cp\u003ePower (Pe)                                    500 Watts\u003c\/p\u003e\n\u003cp\u003eFrequency Response                  20-200 Hz\u003c\/p\u003e\n\u003cp\u003eVoice Coil Diameter                   2.5 in\/63.5 mm\u003c\/p\u003e\n\u003cp\u003eDisplacement                              0.0885 cu ft\/ 2.506 Lt\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"inline-title-car\"\u003eIN THE BOX:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSPK-12S4, Manual, Warranty\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_column et_pb_column_1_2 et_pb_column_11  et_pb_css_mix_blend_mode_passthrough et-last-child\"\u003e\n\u003cdiv class=\"et_pb_module et_pb_text et_pb_text_7  et_pb_text_align_left et_pb_bg_layout_light\"\u003e\n\u003cdiv class=\"et_pb_text_inner\"\u003e\n\u003ch3\u003eDIMENSIONS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOverall Dimensions: 12.76in\/ 324mm\u003c\/li\u003e\n\u003cli\u003eCut Out Diameter: 11.125 in\/ 282mm\u003c\/li\u003e\n\u003cli\u003eMounting Depth: 6.14 in\/ 156 mm\u003c\/li\u003e\n\u003cli\u003eMounting Height (w\/o Grille): 0.68in \/ 17.3mm\u003c\/li\u003e\n\u003cli\u003eMounting Height (w\/ Grille): 1.437in \/ 36.5mm\u003c\/li\u003e\n\u003cli\u003eMotor Diameter (w\/ Cover): 6.41in \/ 163mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_module et_pb_text et_pb_text_8  et_pb_text_align_left et_pb_bg_layout_light\"\u003e\n\u003cdiv class=\"et_pb_text_inner\"\u003e\n\u003ch3\u003ePORTED ENCLOSURE\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExternal Dimensions: 24.00″ W × 15.00″H × 14.25″D\u003c\/li\u003e\n\u003cli\u003eNet Internal Volume:  1.77 ft3\u003c\/li\u003e\n\u003cli\u003eTotal Internal Volume:  2.18 ft3\u003c\/li\u003e\n\u003cli\u003eGross External Volume:  2.97 ft3\u003c\/li\u003e\n\u003cli\u003eMaterial Thickness: 0.75″\u003c\/li\u003e\n\u003cli\u003eTuning Frequency: 39 Hz\u003c\/li\u003e\n\u003cli\u003ePort Area” 27 inch2\u003c\/li\u003e\n\u003cli\u003ePort Inlet: 2.00″W× 13.50″H\u003c\/li\u003e\n\u003cli\u003ePort Length: 20.75″\u003c\/li\u003e\n\u003cli\u003eF3 (Hz):  30\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"et_pb_module et_pb_text et_pb_text_9  et_pb_text_align_left et_pb_bg_layout_light\"\u003e\n\u003cdiv class=\"et_pb_text_inner\"\u003e\n\u003ch3\u003eSEALED ENCLOSURE\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExternal Dimensions: 18.00″ W × 15.00″H × 10.00″D\u003c\/li\u003e\n\u003cli\u003eNet Internal Volume:  1.0 ft3\u003c\/li\u003e\n\u003cli\u003eTotal Internal Volume: 1.09 ft3\u003c\/li\u003e\n\u003cli\u003eGross External Volume: 1.56 ft3\u003c\/li\u003e\n\u003cli\u003eMaterial Thickness: 0.75″\u003c\/li\u003e\n\u003cli\u003eF3 (Hz): 52.77\u003c\/li\u003e\n\u003cli\u003eQtc:  0.948\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003e*Enclosure size recommendations do not include driver and\/or displacement\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e"}

Product Description

SPIKE SERIES 12-INCH SINGLE 4-OHM HIGH-PERFORMANCE SUBWOOFER

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

Our Sonic Sommeliers Recommend the Following: A single Spike Series 4 ohm subwoofer pairs pleasingly with the ACM-2.300 or ACX-300.2 for the conservative to moderate listener. For more lavish output, pair with the LC-1.800.

Planning to adore the well-endowed output from our LC-5.1300 or D-5.1300 ampliﬁer? The generous power delivered by channel 5 is a solid match! Bon appétit!

For system designs utilizing two Spike Series 4 ohm subwoofers, we recommend the LC-1.800… Impressive!

Looking for a full on bass bonanza? Planning to include three or more Spike Series subwoofers in your system? Consult an expert at your favorite authorized AudioControl dealer, or visit audiocontrol.com for more system conﬁgurations that deliver a bounty of bass.

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 Comp (Cms) 0.0815 mm/N

Moving Mass (Mms) 190.3035 g

Linear Excursion (Xmax) . 14 mm

Volume Acoustic Comp (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, Manual, Warranty

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

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

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

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