{"product_id":"ground-zero-ultra-m-80","title":"Ground Zero ULTRA M-80","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSpeaker type\u003c\/strong\u003e 80 mm \/ 3.15” SQ midrange speaker\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eNominal impedance\u003c\/strong\u003e 4 ohms\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e 150 Hz – 15 kHz\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBasket type Multipiece machined aluminum\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCone material High-Tech Kevlar®\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMotor High-grade Neodymium\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eVoice coil diameter\u003c\/strong\u003e 20 mm \/ 0.79”\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eMax. excursion\u003c\/strong\u003e (p2p)- Xmax 7 mm \/ 0.28“\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003ePower handling\u003c\/strong\u003e (RMS) 70 Watts\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003ePower handling\u003c\/strong\u003e (max) 110 Watts\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eOuter diameter\u003c\/strong\u003e 93,8 mm \/ 3.69”\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eMounting diameter \u003c\/strong\u003e76,5 mm \/ 3.01”\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eMounting depth \u003c\/strong\u003e42 mm \/ 1.65”\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003ePARAMETERS:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eResonance frequency - fs\u003c\/strong\u003e 127 Hz\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eEfficiency\u003c\/strong\u003e - SPL 88 dB\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eDC voice coil resistance\u003c\/strong\u003e - Re 3.5 ohms\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eDriver´s Q (nonelectrical losses only) -\u003c\/strong\u003e Qms 6.76\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eDriver´s Q (at fs) \u003c\/strong\u003e- Qes 0.43\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eTotal driver´s Q\u003c\/strong\u003e - Qts 0.40\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eAir vol. compliant to driver´s suspension -\u003c\/strong\u003e Vas 0.9 L\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eMoving mass incl. acoustic load -\u003c\/strong\u003e Mms 3.15 g\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eProduct of magnetic flux density -\u003c\/strong\u003e BL 4.52 N\/A\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eMech. resistance of driver´s suspension\u003c\/strong\u003e - Rms 0.37 kg\/s\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eCompliance of driver´s suspension -\u003c\/strong\u003e Cms 0.50 mm\/N\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eVoice coil inductance -\u003c\/strong\u003e LE 0.04 mH\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eFEATURES:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eUltra-high-end 80 mm \/ 3.15” midrange speaker\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTightly tolerated technical parameters\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHigh-Tech Kevlar® cone\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLinear moving NBR surround\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHigh-grade neodymium motor with copper cup\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eVented voice coil former reducing distortion\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eRound CCAW wire voice coil increasing highest efficiency\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFine-blasted, black anodized GZ-design basket from machined aluminum parts\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOptimized motor and voice coil ventilation\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAirflow-optimized aluminum cast spokes\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eGold plated terminals\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDocumented final technical inspection\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWooden box packaging \/ in matching pairs\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eNRG protection grills with aluminum ring\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Ground Zero","offers":[{"title":"Default Title","offer_id":58353303454070,"sku":"GZ ULTRA M-80","price":8990.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/5294\/4758\/files\/H4Mzlbf97Ttdq9j1730201037.png?v=1785201664","url":"https:\/\/glossco.se\/products\/ground-zero-ultra-m-80","provider":"Glossco","version":"1.0","type":"link"}