{"product_id":"alpine-kte-s510g-5-1-4-type-s-speaker-grill-copy","title":"Alpine R2-SB12V Single Type R2 12-in Subwoofer in Vented Enclosure","description":"\u003carticle class=\"productView-description\" id=\"productDescription\"\u003e\n\u003ch1 class=\"productView-title\"\u003eAlpine R2-SB12V Single Type R2 12-in Subwoofer in Vented Enclosure\u003c\/h1\u003e\n\u003ch3\u003eR-Series Single Type R2 12-in Subwoofer in Vented Enclosure\u003c\/h3\u003e\n\u003cdiv id=\"description\"\u003eThe new R2-Series subwoofers now feature larger, double-stacked magnets that contribute more motor force for deeper bass and tighter bass control compared to the previous generation.ProLink™ is unique to Alpine and allows you to link two R2-SB12V enclosures together using an optional KTX-H12 Linking Kit (sold separately) to create a dual subwoofer-enclosure.Drawing inspiration from the sleek, tapered lines and clean silver finish of the Alpine Halo Display, the R2-SB12V shares the same unique, curved edges outlined by a silver trim and a metallic front baffle for a matching system aesthetic.The ported enclosure design features an optimized vent and rounded internal port edges that maximize the output performance of the subwoofer.Made from 3\/4\" medium density fiberboard (MDF) with internal edge bracing, the R2-SB12V is sturdy with a rugged, yet stylish black carpet cover and brushed aluminum finish on the metallic front baffle.The R2-SB12V includes a preloaded R2-Series R2-W12D4 12\" subwoofer that's turned to 35Hz for optimized performance with Alpine's R2-Series sound system line.Dual 4Ω voice coils are wired in parallel for a 2Ω load that's compatible with the R2-Series R2-A75M Mono Power Amplifier.Gold-plated binding post terminals allow for speaker wire, ring terminal, or quick disconnect banana plug connections from your amplifier's output.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eGroundbreaking Alpine Halo Design\u003c\/li\u003e\n\u003cli\u003eVented Enclosure Tuning Frequency: 35Hz\u003c\/li\u003e\n\u003cli\u003eSensitivity 85dB\u003c\/li\u003e\n\u003cli\u003eProLink™ ported enclosure design\u003c\/li\u003e\n\u003cli\u003eOptimal Sound Performance\u003c\/li\u003e\n\u003cli\u003e750W RMS Power Handling\u003c\/li\u003e\n\u003cli\u003eIncludes preloaded R2-W12D4 12” R2-Series subwoofer\u003c\/li\u003e\n\u003cli\u003eCARB compliant 3\/4-inch MDF construction\u003c\/li\u003e\n\u003cli\u003ePremium black carpet\u003c\/li\u003e\n\u003cli\u003eSilver Alpine embossed side logo badge\u003c\/li\u003e\n\u003cli\u003eBrushed aluminum finished metallic front baffle\u003c\/li\u003e\n\u003cli\u003e17” W x 14.625” H x 15” D\u003c\/li\u003e\n\u003cli\u003eDual 4Ω Voice Coils Wired in Parallel for a 2Ω Load (Compatible with R2-A75M)\u003c\/li\u003e\n\u003cli\u003e12 Gauge OFC Speaker Box Wire\u003c\/li\u003e\n\u003cli\u003eBinding Post Terminal Cup\u003c\/li\u003e\n\u003cli\u003eThreaded Subwoofer Mounting Inserts (for reversible subwoofer orientation)\u003c\/li\u003e\n\u003cli\u003e2Ω Impedance\u003c\/li\u003e\n\u003cli\u003eFrequency Response: 24-200Hz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstrong\u003eGeneral Specifications:\u003c\/strong\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e• Size: 12”\u003c\/li\u003e\n\u003cli\u003e• Weight: 50 lbs\u003c\/li\u003e\n\u003cli\u003e• Dimensions: 17” x 14.625” x 15”\u003c\/li\u003e\n\u003cli\u003e• Frequency Response: 24Hz - 200Hz\u003c\/li\u003e\n\u003cli\u003e• Power Range: 300W - 750W RMS\u003c\/li\u003e\n\u003cli\u003e• Power Handling: 750W RMS \/ 2250W Peak\u003c\/li\u003e\n\u003cli\u003e• Magnet Weight: 144 oz\u003c\/li\u003e\n\u003cli\u003e• Voice Coil Diameter: 65.5 mm (2.6”)\u003c\/li\u003e\n\u003cli\u003e• Linear Excursion (Xmax): 20 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstrong\u003eTHIELE-SMALL PARAMETERS\u003c\/strong\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e• Sensitivity (1W\/1m): 85 dB\u003c\/li\u003e\n\u003cli\u003e• DC Resistance (Re): 1.9∆ + 1.9∆\u003c\/li\u003e\n\u003cli\u003e• Free Air Resonance (Fs): 29 Hz\u003c\/li\u003e\n\u003cli\u003e• Equivalent Stiffness: 36.9 L\u003c\/li\u003e\n\u003cli\u003e• Mechanical Q (Qms): 6.32\u003c\/li\u003e\n\u003cli\u003e• Electrical Q (Qes): 0.44\u003c\/li\u003e\n\u003cli\u003e• Total Q (Qts): 0.41\u003c\/li\u003e\n\u003cli\u003e• Cone Area (Sd): 479 square cm\u003c\/li\u003e\n\u003cli\u003e• Linear Excursion (Xmax): 20 mm\u003c\/li\u003e\n\u003cli\u003e• Mechanical Travel (Xmech): 72 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv data-content-region=\"product_below_title\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-content-region=\"product_below_title--global\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/article\u003e\n\u003carticle class=\"productView-description\" id=\"productDescription\"\u003e\u003c\/article\u003e\n\u003carticle class=\"productView-description\" id=\"productDescription\"\u003e\u003c\/article\u003e","brand":"Alpine","offers":[{"title":"Default Title","offer_id":45241079267362,"sku":"R2-SB12V","price":749.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/3472\/1600\/files\/1_adcaffbd-c15a-45be-96a5-831c8320c38f.jpg?v=1776269999","url":"https:\/\/www.eastcaraudio.net\/products\/alpine-kte-s510g-5-1-4-type-s-speaker-grill-copy","provider":"East Car Audio","version":"1.0","type":"link"}