{"product_id":"sub19-sn-12-subwoofer","title":"SN 12","description":"\u003cp\u003eThe SN 12 from SUB19 is a 12-inch Subwoofer with a diameter of 30 cm. It is equipped with the TI-Frame and features a remarkable maximum excursion. The design is intended for use in bass reflex enclosures of various volumes and tunings, as well as for alternative enclosure concepts. The Thiele-Small parameters indicate a self-resonance frequency of 29.0 Hz and a moving mass of 409.5 g. The effective diaphragm area is 460.0 cm² with an equivalent volume of 22.10 liters. The force factor Bl is 29.70 Tm.\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e12 inch (30cm) Subwoofer\u003c\/li\u003e\n\u003cli\u003eTI-Frame\u003c\/li\u003e\n\u003cli\u003eLarge maximum excursion\u003c\/li\u003e\n\u003cli\u003eSuitable for bass reflex enclosures\u003c\/li\u003e\n\u003cli\u003eBass reflex compact: 44 liters net volume\u003c\/li\u003e\n\u003cli\u003eBass reflex all-round: 49 liters net volume\u003c\/li\u003e\n\u003cli\u003eBass reflex deep bass: 63 liters net volume\u003c\/li\u003e\n\u003cli\u003eClosed enclosures not recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eDC resistance Re: 4.17 Ω\u003c\/li\u003e\n\u003cli\u003eImpedance at Fs: 54.61 Ω\u003c\/li\u003e\n\u003cli\u003eSelf-resonance frequency Fs: 29.0 Hz\u003c\/li\u003e\n\u003cli\u003eQuality factor of mechanical resonant circuit Qms: 4.266\u003c\/li\u003e\n\u003cli\u003eQuality factor of electrical resonant circuit Qes: 0.353\u003c\/li\u003e\n\u003cli\u003eQuality factor total Qts: 0.326\u003c\/li\u003e\n\u003cli\u003eMoving mass mms: 409.5 g\u003c\/li\u003e\n\u003cli\u003eResistance of the mechanical resonant circuit Rms: 17.491 kg\/s\u003c\/li\u003e\n\u003cli\u003eForce factor Bl: 29.70 Tm\u003c\/li\u003e\n\u003cli\u003eReciprocal of spring stiffness of mechanical resonant circuit Cms: 0.0735 mm\/N\u003c\/li\u003e\n\u003cli\u003eEffective diaphragm area Sd: 460.0 cm²\u003c\/li\u003e\n\u003cli\u003eEquivalent volume Vas: 22.10 liters\u003c\/li\u003e\n\u003cli\u003eInductance of the coil Le: 7.161 mH\u003c\/li\u003e\n\u003cli\u003eSensitivity: 83.68 dB SPL at 1 W \/ 1 m\u003c\/li\u003e\n\u003cli\u003ePort area compact: 150 cm²\u003c\/li\u003e\n\u003cli\u003ePort length compact: 460 mm\u003c\/li\u003e\n\u003cli\u003ePort area all-round: 200 cm²\u003c\/li\u003e\n\u003cli\u003ePort length all-round: 580 mm\u003c\/li\u003e\n\u003cli\u003ePort area deep bass: 220 cm²\u003c\/li\u003e\n\u003cli\u003ePort length deep bass: 600 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SUB19","offers":[{"title":"Orange","offer_id":52698935984395,"sku":"SN-12-ORANGE","price":539.1,"currency_code":"EUR","in_stock":true},{"title":"Grau","offer_id":52698936017163,"sku":"SN-12-GRAU","price":539.1,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/9478\/5927\/files\/sub19-sn-12-12-30cm-subwoofer-masori-kaufen.jpg?v=1763595964","url":"https:\/\/masprori.com\/en\/products\/sub19-sn-12-subwoofer","provider":"Masori | Shop","version":"1.0","type":"link"}