{"product_id":"sb-acoustics-4-pfcr-coaxial-sb12pfcr25-4-coax","title":"SB Acoustics - 4\" PFCR Coaxial - SB12PFCR25-4-COAX","description":"\u003ch4\u003eDescription\u003c\/h4\u003e\n\u003cp\u003e25mm Voice coil, paper cone, rubber surround, ferrite motor, round mounting injection chassis, coaxial midwoofer. Vented reinforced plastic chassis. Proprietary cone material with natural fibres made in-house. Soft low damping rubber surround for improved transient response. Optimized motor system. Non-resonant long life lead wires. Compact large surround dome tweeter. An external crossover board is required Separate terminals for mid-woofer and tweeter Crossover point value suggestions from SBA: As low as 2.2KHz with a sharp 18dB\/Oct high pass 2.6KHz high-pass Butterworth 12dB\/oct high pass Higher 5KHz with first-order 6dB\/Oct high pass Choice is to do with tweeter power capacity (10Wrms) and personal preferences for sound and budget\u003c\/p\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eCoil\u003c\/th\u003e\n\u003ctd\u003e25.4mmØ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFs\u003c\/th\u003e\n\u003ctd\u003e58Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLe\u003c\/th\u003e\n\u003ctd\u003e0.26mH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMag.\u003c\/th\u003e\n\u003ctd\u003e0.4kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMms\u003c\/th\u003e\n\u003ctd\u003e4.5g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003ctd\u003e30Wrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQes\u003c\/th\u003e\n\u003ctd\u003e0.36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQms\u003c\/th\u003e\n\u003ctd\u003e4.07\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQts\u003c\/th\u003e\n\u003ctd\u003e0.33\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRe\u003c\/th\u003e\n\u003ctd\u003e3.1Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSd\u003c\/th\u003e\n\u003ctd\u003e45cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSens.\u003c\/th\u003e\n\u003ctd\u003e87dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVas\u003c\/th\u003e\n\u003ctd\u003e4.8L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWidth\u003c\/th\u003e\n\u003ctd\u003e122mmØ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eZn\u003c\/th\u003e\n\u003ctd\u003e4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCms\u003c\/th\u003e\n\u003ctd\u003e1.66mm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBl\u003c\/th\u003e\n\u003ctd\u003e3.8Tm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRms\u003c\/th\u003e\n\u003ctd\u003e0.4kg\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eXmax\u003c\/th\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCrossover\u003c\/th\u003e\n\u003ctd\u003e5KHz6dB\/Oct to 2.2KHz 18dB\/Oct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"SB Acoustics","offers":[{"title":"Default Title","offer_id":53422024327441,"sku":"SB12PFCR25-4-COAX","price":88.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/7115\/7265\/files\/SB12PFCR25-4-COAX-1.png?v=1776374456","url":"https:\/\/nbaudio.com.au\/products\/sb-acoustics-4-pfcr-coaxial-sb12pfcr25-4-coax","provider":"NB Audio","version":"1.0","type":"link"}