{"product_id":"fortissimo-ff6e-6-5-zoll-tiefmitteltoener","title":"FF6e","description":"\u003cp\u003eThe FF6e from Fortissimo is a 6.5-inch midrange driver with a power handling of 80 watts RMS and an impedance of 3 Ω. It is manufactured in Italy and covers a frequency range from 60 Hz to 3,800 Hz. The construction includes a coated paper diaphragm and an aluminum voice coil with a diameter of 25 mm. The efficiency is 91 dB at 2.83V \/ 1m. For installation, a cutout diameter of 143 mm and a mounting depth of 60 mm are specified. The magnet has a diameter of 85 mm and is equipped with a pole core hole and a copper cap.\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e6.5-inch (16.5 cm) midrange driver\u003c\/li\u003e\n\u003cli\u003ePower: 80 watts RMS\u003c\/li\u003e\n\u003cli\u003eImpedance: 3 Ω\u003c\/li\u003e\n\u003cli\u003eCoated paper diaphragm\u003c\/li\u003e\n\u003cli\u003eVoice coil diameter: 25 mm (aluminum)\u003c\/li\u003e\n\u003cli\u003eEfficiency: 91 dB @ 2.83V \/ 1m\u003c\/li\u003e\n\u003cli\u003eOuter diameter: 165 mm\u003c\/li\u003e\n\u003cli\u003eCutout diameter: 143 mm\u003c\/li\u003e\n\u003cli\u003eMounting depth: 60 mm\u003c\/li\u003e\n\u003cli\u003eMagnet diameter: 85 mm\u003c\/li\u003e\n\u003cli\u003ePole core with hole and copper cap\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eFrequency range: 60 Hz - 3,800 Hz\u003c\/li\u003e\n\u003cli\u003eResonance frequency (fs): 65 Hz\u003c\/li\u003e\n\u003cli\u003eMechanical quality factor (Qms): 6.03\u003c\/li\u003e\n\u003cli\u003eElectrical quality factor (Qes): 1.03\u003c\/li\u003e\n\u003cli\u003eTotal quality factor (Qts): 0.88\u003c\/li\u003e\n\u003cli\u003eCompliance (Cms): 0.532 mm\/N\u003c\/li\u003e\n\u003cli\u003eEquivalent volume (Vas): 11.3 liters\u003c\/li\u003e\n\u003cli\u003eForce factor (B*I): 3.9 Tm\u003c\/li\u003e\n\u003cli\u003eMoving mass (Mms): 11.3 g\u003c\/li\u003e\n\u003cli\u003eVoice coil winding width: 12.5 mm\u003c\/li\u003e\n\u003cli\u003eLinear diaphragm excursion: +\/- 3.8 mm\u003c\/li\u003e\n\u003cli\u003eMounting hole circle: 8 x 4.5 mm on 158 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fortissimo","offers":[{"title":"Default Title","offer_id":51854421131531,"sku":"FF6e","price":120.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/9478\/5927\/files\/fortissimo-ff6e-6_5-165cm-tiefmitteltoner-masori-kaufen.jpg?v=1751670000","url":"https:\/\/masprori.com\/en\/products\/fortissimo-ff6e-6-5-inch-mid-woofers","provider":"Masori | Shop","version":"1.0","type":"link"}