{"product_id":"gladen-sigma-ssw12-subwoofer-30-cm-12-1000w-500w-rms","title":"Gladen Sigma SSW12 – 30 cm (12\") Subwoofer 1000W \/ 500W RMS","description":"\u003ch2\u003eHighlights\u003c\/h2\u003e\u003cul\u003e\n\n\u003cli\u003e30 cm (12-inch) Subwoofer – deep, punchy, and controlled bass\u003c\/li\u003e\n\n\u003cli\u003e1000W MAX \/ 500W RMS – high power for high-performance systems\u003c\/li\u003e\n\n\u003cli\u003eDual 2x2 ohm voice coil – maximum wiring flexibility\u003c\/li\u003e\n\n\u003cli\u003e11.5 mm linear X-Max – high excursion for deep, distortion-free bass\u003c\/li\u003e\n\n\u003cli\u003eCompatible with sealed and bass-reflex enclosures – adapts to all setups\u003c\/li\u003e\n\n\u003cli\u003eStable paper cone and polycotton spider – high sound pressure and durability\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eThe Gladen Sigma SSW12 is a 12-inch subwoofer designed for those who want to feel the bass as much as they hear it. With its large 30 cm cone and powerful motor, it delivers exceptional sound pressure within the cabin, while maintaining remarkable control and precision. Its stable paper cone, combined with the long-excursion voice coil, ensures optimal airflow for powerful and clear bass even at high volumes. The dual 2x2 ohm voice coil offers maximum flexibility to adapt to the most powerful mono and multi-channel amplifiers. Its balanced parameters make it compatible with both sealed (38 to 48 liters) and bass-reflex enclosures.\u003c\/p\u003e\u003cul\u003e\n\n\u003cli\u003eIdeal for high-performance car audio systems\u003c\/li\u003e\n\n\u003cli\u003eRobust steel basket for optimal mechanical stability\u003c\/li\u003e\n\n\u003cli\u003eHigh-quality foam surround for controlled excursion\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable style=\"border-collapse: collapse; width: 100%;\"\u003e\n\n\u003cthead\u003e\u003ctr\u003e\n\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; background-color: #f2f2f2;\"\u003eAttribute\u003c\/th\u003e\n\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; background-color: #f2f2f2;\"\u003eValue\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\u003c\/thead\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSize\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e30 cm \/ 12\"\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eMAX Power\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e1000 W\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eRMS Power\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e500 W\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eNominal Impedance (ZN)\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e2x2 ohms (dual voice coil)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eDC Resistance (Rdc)\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e1.85 Ω (dual)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eResonance Frequency (Fs)\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e36 Hz\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eLinear X-Max (+\/-)\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e11.5 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eVoice Coil Diameter\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e50 mm (2\")\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eVoice Coil Height\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e30 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eQms\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e6.89\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eQes\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e0.58\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eQts\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e0.54\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eMoving Mass (Mms)\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e181.6 g\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003ePiston Area (Sd)\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e495 cm²\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eCompliance (CMS)\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e0.1 mm\/N\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eForce Factor (BL)\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e16.7 Tm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eEquivalent Air Volume (Vas)\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e36 liters\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSensitivity (SPL 2.83V\/1m)\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e89.8 dB\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eRecommended Volume\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e38 – 48 liters\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eOuter Diameter\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e330 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eInstallation Diameter\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e284 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eInstallation Depth\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e154 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eCone\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003ePaper\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSurround\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eFoam\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSpider\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e7.5\" PC Mix (polycotton)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eVoice Coil Former\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eAluminum\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eDustcap\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003ePP\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eBasket\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSteel\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\u003ch2\u003eWhy choose it?\u003c\/h2\u003e\u003cul\u003e\n\n\u003cli\u003eDual 2x2 ohm voice coil – wiring flexibility at 1, 2, or 4 ohms depending on your amplifier\u003c\/li\u003e\n\n\u003cli\u003e11.5 mm X-Max – high excursion for deep, distortion-free bass\u003c\/li\u003e\n\n\u003cli\u003eCompatible with sealed and bass-reflex enclosures – adapts to your existing setup\u003c\/li\u003e\n\n\u003cli\u003ePaper cone + foam surround – high sound pressure and musical precision\u003c\/li\u003e\n\n\u003cli\u003eGladen brand – German engineering renowned for sound quality\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Gladen German Technology","offers":[{"title":"Default Title","offer_id":54472319107395,"sku":"SIGMA-SSW12","price":199.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/6247\/4051\/files\/01KQFR5ZTBDNW3Z2RB72Q33Q8E.webp?v=1778414624","url":"https:\/\/soundautoconcept.com\/en-eu\/products\/gladen-sigma-ssw12-subwoofer-30-cm-12-1000w-500w-rms","provider":"Sound Auto Concept","version":"1.0","type":"link"}