{"product_id":"b-c-speakers-8fw51-422852","title":"8FW51","description":"\u003ch3\u003eAn 8-Inch Driver Designed for Compact PA and Bass-Reflex Enclosures\u003c\/h3\u003e\u003cp\u003eThe B\u0026C 8FW51 belongs to the family of 8-inch (21 cm) drivers engineered to combine impact in the low spectrum with clarity in the midrange. This size is particularly sought after when you want to keep a speaker compact while maintaining real dynamics, whether for a small front-of-house speaker, stage monitor, installation speaker, or custom project. With parameters focused on control and efficiency, this model naturally fits into the midbass driver category capable of handling power while remaining precise.\u003c\/p\u003e\u003ch3\u003eWho Is It For and What Are Its Applications?\u003c\/h3\u003e\u003cp\u003eThis speaker is aimed at users who build or repair passive speakers and expect reliable performance in real-world conditions: sound contractors, musicians, integrators, and DIY enthusiasts. The 8FW51 is an excellent choice for a midbass section in a compact speaker when the goal is to achieve a crisp attack, clean midrange, and good high-level power handling. It is also well suited for replacement (recone\/maintenance) when specifications require an 8-inch 8-ohm driver with high power capacity.\u003c\/p\u003e\u003ch3\u003eDesign and Key Points: Efficiency, Control, and Durability\u003c\/h3\u003e\u003ch4\u003ePower Handling and Efficiency\u003c\/h4\u003e\u003cp\u003eWith \u003cstrong\u003e400 W AES\u003c\/strong\u003e and a \u003cstrong\u003e97 dB sensitivity (1 W\/1 m)\u003c\/strong\u003e, the B\u0026C 8FW51 aims for energetic reproduction without sacrificing safety margin. This combination facilitates achieving a comfortable sound level in a reasonably sized enclosure while limiting the risk of thermal compression during extended use.\u003c\/p\u003e\u003ch4\u003eFerrite Motor and 2-Inch (51 mm) Copper Voice Coil\u003c\/h4\u003e\u003cp\u003eThe \u003cstrong\u003eferrite magnet\u003c\/strong\u003e motor provides a solid and stable foundation, while the \u003cstrong\u003e2-inch (51 mm) copper wire voice coil\u003c\/strong\u003e contributes to robustness and power management. This setup is particularly relevant for a driver intended to operate in the midbass range, where mechanical and thermal stresses can be significant.\u003c\/p\u003e\u003ch4\u003eMechanical Behavior: Excursion and Suspension\u003c\/h4\u003e\u003cp\u003eThe \u003cstrong\u003e6.0 mm Xmax\u003c\/strong\u003e provides the necessary excursion to reproduce the low spectrum coherently with an 8-inch driver. The \u003cstrong\u003edual roll suspension\u003c\/strong\u003e promotes good excursion control, useful for maintaining clarity in attacks and limiting unwanted behavior at high levels. The \u003cstrong\u003esingle spider\u003c\/strong\u003e contributes to the overall balance between control, sensitivity, and mobility.\u003c\/p\u003e\u003ch4\u003eMoisture-Resistant Exponential Cone\u003c\/h4\u003e\u003cp\u003eThe \u003cstrong\u003eexponential cone\u003c\/strong\u003e is designed to maintain good midrange definition while delivering an efficient response. Its \u003cstrong\u003ewaterproof treatment front and back\u003c\/strong\u003e is a real advantage for speakers expected to operate in challenging environments (transport, humidity variations, occasional outdoor use under protection), helping to stabilize cone behavior over time.\u003c\/p\u003e\u003ch4\u003eLoad Optimization: Recommended Volume and Tuning\u003c\/h4\u003e\u003cp\u003eThe manufacturer specifies a \u003cstrong\u003erecommended enclosure volume of 142 liters\u003c\/strong\u003e with a \u003cstrong\u003etuning frequency of 74 Hz\u003c\/strong\u003e. This information is valuable for guiding a bass-reflex design and achieving a response consistent with expected behavior. The parameters \u003cstrong\u003eFs 74 Hz\u003c\/strong\u003e and \u003cstrong\u003eQts 0.21\u003c\/strong\u003e indicate a driver with a controlled character, designed to operate efficiently in a well-tuned enclosure, with a clean response and good power handling.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:2rem\"\u003e\n\u003ctable style=\"flex:1 1 300px;width:100%\"\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eRackable\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003eNo\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003esound reinforcement accessory\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ctable style=\"flex:1 1 300px;width:100%\"\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003eSpeakers\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:2rem\"\u003e\n\u003cdiv style=\"flex:1 1 300px\"\u003e\n\u003ctable style=\"width:100%\"\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eBrand \/ Model\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003eB\u0026amp;C 8FW51\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eNominal diameter\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e8 inches (21 cm)\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eNominal impedance\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e8 ohms\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e5.3 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ctable style=\"width:100%\"\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e400 W AES\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eSensitivity\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e97 dB (1 W\/1 m)\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eFrequency range\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e70 Hz - 5 kHz\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ctable style=\"width:100%\"\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eFs\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e74 Hz\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eQts\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e0.21\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eXmax\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e6.0 mm\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eRecommended enclosure\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e142 liters tuned to 74 Hz\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 300px\"\u003e\n\u003ctable style=\"width:100%\"\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eVoice coil\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e2 inches (51 mm), copper wire\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eMagnet\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003eferrite\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eSuspension\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003edual roll\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eCone\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003eexponential with waterproof treatment front and back\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eSpider\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003esingle\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ctable style=\"width:100%\"\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eTotal diameter\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e225 mm\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e100 mm\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"B\u0026C Speakers","offers":[{"title":"Default Title","offer_id":54357044035859,"sku":"422852","price":139.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0872\/6803\/files\/acc8100ee9eb939ec057995a140707f982a311d3_MSC_62552.jpg?v=1787306674","url":"https:\/\/woodbrass.shop\/products\/b-c-speakers-8fw51-422852","provider":"Woodbrass.com","version":"1.0","type":"link"}