{"product_id":"b-c-speakers-8cx21-422848","title":"8CX21","description":"\u003ch3\u003eUn coassiale B\u0026amp;C pensato per diffusori compatti ed esigenti\u003c\/h3\u003e\u003cp\u003eCon l'8CX21, B\u0026amp;C propone un formato coassiale da 8 pollici che punta all'efficienza in volume ridotto, mantenendo una tenuta in potenza adatta agli usi professionali. Il principio coassiale permette di ottenere un'immagine sonora più stabile e una transizione più naturale tra medio-bassi e acuti, un vantaggio particolarmente ricercato quando il diffusore deve rimanere compatto, discreto e facile da posizionare.\u003c\/p\u003e\u003cp\u003eQuesto tipo di altoparlante è spesso scelto per semplificare l'architettura di un diffusore a 2 vie (un unico punto di emissione), facilitare il posizionamento come monitor da palco, o ottenere una copertura regolare in installazioni. L'8CX21 si inserisce in questa logica: un trasduttore unico, capace di coprire una grande parte dello spettro, accettando vincoli di livello, trasporto e affidabilità tipici dell'uso sul campo.\u003c\/p\u003e\u003ch3\u003eA chi si rivolge il B\u0026amp;C 8CX21 e per quali usi?\u003c\/h3\u003e\u003cp\u003eIl B\u0026amp;C 8CX21 si rivolge ai \u003cstrong\u003ecostruttori di diffusori\u003c\/strong\u003e, agli \u003cstrong\u003eintegratori\u003c\/strong\u003e e ai \u003cstrong\u003eDIYers\u003c\/strong\u003e che vogliono progettare un diffusore coassiale a 2 vie serio: monitor da palco compatti, piccoli diffusori frontali, rinforzi di prossimità o diffusione in ambienti con vincoli (bar, sale prove, luoghi di culto, sale polivalenti).\u003c\/p\u003e\u003cp\u003eGrazie al suo carico raccomandato di 10 litri, è molto adatto a progetti dove l'ingombro è una priorità, mantenendo una risposta estesa e una sensibilità adatta a un'amplificazione realistica. È anche un buon candidato quando si desidera una direttività controllata e un ascolto più \"centrato\", specialmente a breve e media distanza.\u003c\/p\u003e\u003ch3\u003eProgettazione e punti chiave: coerenza, tenuta e controllo della diffusione\u003c\/h3\u003e\u003ch4\u003eArchitettura coassiale e copertura\u003c\/h4\u003e\u003cp\u003eL'8CX21 combina un altoparlante per basse frequenze da 8 pollici e un motore HF da 1 pollice, per ottenere un'\u003cstrong\u003eemissione più coerente\u003c\/strong\u003e rispetto a un montaggio a 2 vie classico dove woofer e tweeter sono fisicamente separati. Questo approccio contribuisce a una migliore leggibilità di voci e strumenti, e facilita l'integrazione in diffusori dove si cerca un risultato regolare appena l'ascoltatore si sposta.\u003c\/p\u003e\u003cp\u003eLa \u003cstrong\u003ecopertura dichiarata di 100 gradi\u003c\/strong\u003e aiuta a puntare a una diffusione ampia, utile come monitor da palco o per diffusione in prossimità, con un comportamento più prevedibile sull'asse e fuori asse.\u003c\/p\u003e\u003ch4\u003eMotorizzazione in ferrite e resistenza all'uso reale\u003c\/h4\u003e\u003cp\u003eIl magnete in \u003cstrong\u003eferrite\u003c\/strong\u003e rientra in una filosofia robusta e collaudata. Associato a una potenza AES di 400 W (LF) e 50 W (HF), l'8CX21 è dimensionato per sopportare sessioni lunghe, livelli sostenuti e vincoli operativi tipici dei sistemi di sonorizzazione e installazione.\u003c\/p\u003e\u003ch4\u003eElementi di membrana e sospensione: stabilità e tenuta meccanica\u003c\/h4\u003e\u003cp\u003eLa parte medio-bassa utilizza una \u003cstrong\u003esospensione LF a doppio roll-roll\u003c\/strong\u003e per accompagnare gli spostamenti, e un \u003cstrong\u003econo esponenziale\u003c\/strong\u003e con \u003cstrong\u003etrattamento impermeabile frontale\u003c\/strong\u003e, utile per rinforzare la resistenza della membrana in ambienti dove il diffusore può essere sollecitato (trasporto, umidità moderata, uso intensivo).\u003c\/p\u003e\u003cp\u003ePer gli acuti, il motore HF dispone di un \u003cstrong\u003ediaframma in poliestere\u003c\/strong\u003e. L'insieme mira a un compromesso pertinente tra precisione, affidabilità e integrazione in sistemi compatti.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifiche tecniche\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\u003eMontabile a Rack\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\u003eCategoria\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003eAccessori Sonorizzazione\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\u003eTipo\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003eAltoparlanti\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\u003eMarca \/ modello\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003eB\u0026amp;C 8CX21\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eConfigurazione\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e8 pollici (21 cm) + motore HF 1 pollice\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eCopertura\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e100 gradi\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\u003ePotenza AES LF\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e400 W\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003ePotenza AES HF\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e50 W\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eImpedenza LF\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e8 Ohm\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eImpedenza HF\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e8 Ohm\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\u003eSensibilità LF\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e94 dB (1 W \/ 1 m)\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eSensibilità HF\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e101 dB (1 W \/ 1 m)\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eBanda passante\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003eda 75 Hz a 20 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 (LF)\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\"\u003e0.36\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\"\u003e5.0 mm\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\u003eBobina mobile LF\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e2 pollici (52 mm)\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eBobina HF\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003efilo di rame\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eBobina \/ diametro HF\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e1.4 pollici (36 mm)\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eDiaframma HF\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003epoliestere\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eMagnete\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\u003eSospensione LF\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003edoppio roll-roll\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eCono\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003eesponenziale, trattamento impermeabile frontale\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\u003eDiametro totale\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\u003eAltezza\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e135 mm\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003ePeso\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e4.0 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\u003eCarico raccomandato\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left\"\u003e10 litri con accordo a 80 Hz\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":54359364501779,"sku":"422848","price":173.0,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/0872\/6803\/files\/c5dfd86a5306cd23b68e050f22812c3d5b09539a_MSC_62520.jpg?v=1787362057","url":"https:\/\/woodbrass.ch\/it\/products\/b-c-speakers-8cx21-422848","provider":"Woodbrass.com","version":"1.0","type":"link"}