{"product_id":"ground-zero-gzw-12-30a","title":"Ground Zero GZW 12-30A","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eModel \u003c\/strong\u003eHigh-Quality SPL subwoofer\u003cbr\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e 30 cm \/ 12″\u003cbr\u003e\u003cstrong\u003ePower handling (RMS\/SPL)\u003c\/strong\u003e 1500 \/ 3500 Watts\u003cbr\u003e\u003cstrong\u003eImpedance\u003c\/strong\u003e 2x 2 Ohm\u003cbr\u003e\u003cstrong\u003eEfficiency\u003c\/strong\u003e 85 dB\u003cbr\u003e\u003cstrong\u003ePower recommendation\u003c\/strong\u003e 1000 – 3500 Watts\u003cbr\u003e\u003cstrong\u003eVoice coil \u003c\/strong\u003e75 mm \/ 3″ Copper\u003cbr\u003e\u003cstrong\u003eCone\u003c\/strong\u003e Reinforced paper\u003cbr\u003e\u003cstrong\u003eMax. Excursion (Xmax)\u003c\/strong\u003e 45 mm \/ 1.77″\u003cbr\u003e\u003cstrong\u003eMounting Ø \u003c\/strong\u003e284 mm \/ 11.18″\u003cbr\u003e\u003cstrong\u003eMounting depth\u003c\/strong\u003e 198 mm \/ 7.80″\u003cbr\u003e\u003cstrong\u003eResonance frequency (Fs)\u003c\/strong\u003e 26.5 Hz\u003cbr\u003e\u003cstrong\u003eDamping ratio (Qts)\u003c\/strong\u003e 0.52\u003cbr\u003e\u003cstrong\u003eEquiv. air volume (Vas) \u003c\/strong\u003e30,6 L \/ 1.08 cu.ft.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e\u003cu\u003eEnclosure recommendation\u003c\/u\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eVented: \u003c\/strong\u003e90 Liter netto\u003cbr\u003e\u003cstrong\u003ePort area:\u003c\/strong\u003e 40 x 250 mm\u003cbr\u003e\u003cstrong\u003ePort length:\u003c\/strong\u003e 257 mm\u003cbr\u003e\u003cstrong\u003eFrequency:\u003c\/strong\u003e 25 Hz\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e\u003cu\u003eGround Zero′s 30th anniversary limited edition subwoofer is finally here!\u003c\/u\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eThis Klippel optimized subwoofer encapsulates the knowledge and expertise gathered by Ground Zero over its 30-year journey, making this subwoofer a true work of art: a black-painted open cast frame, a well-ventilated big magnet, gold-plated weight connectors, a pressed paper cone, a wide upper suspension with golden stitching, and all of this is crowned by a carbon fiber dust cap with a golden Ground Zero logo.\u003cbr\u003e\u003cbr\u003eThis subwoofer doesn′t leave you cold even based on its technical specifications: FS 26.5 Hz, 1500W continuous power handling, 45mm Xmax!!! and a 3″ voice coil.\u003cbr\u003e\u003cbr\u003eThis subwoofer is recommended to be installed in a 90L* vented enclosure.\u003cbr\u003e*netto\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":58353291526518,"sku":"GZW 12-30A","price":3490.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/5294\/4758\/files\/XQqgIEDRcqZItsc1751462578.jpg?v=1785201387","url":"https:\/\/glossco.se\/products\/ground-zero-gzw-12-30a","provider":"Glossco","version":"1.0","type":"link"}