Professional Sound System High Efficient 15′′ Coaxial Neodymium, Brown Cone, 3′′ Voice Coil.

High Efficient 15'' Coaxial Neodymium, Brown Cone, 3'' Voice Coil.     3 INCH WOOFER ALUMINIUM VOICE COIL3 INCH COMPRESSION ALUMINIUM VOICE COIL96.8 dB/SPL SENSITIVITY800 WATT PROGRAM POWER HANDINGFEM OPTIMIZED MOTOR AND SUSPENSIONSOPTIMIZED COOLING SYSTEMRESONANCE FREE AND HEAVY DUTY BASKET DESIGNGENERAL SPECIFICATIONSNominal diametermm(in.)389(15)Nominal impedanceΩ8Minimum impedanceΩ6.2Program power (1)W800AES Power rating(2)W400Sensitivity (3)dB96.8Frequency rangeHz39 ~ 3000Voice coil diametermm(in.)75(3)Chassis materialAluminium Magnet materialNeodymium Magnet dimensions (ODxIDxh)mm138 x 90 x 10Coil materialALR Former materialGlass Fiber Xmax(4)mm7.5Xmech(5)mm13Gap heightmm8Voice coil Wingding heightmm18Diaphragm materialTitanium Program power (1)W220AES Power rating(2)W110Sensitivity (3)dB108Frequency rangeHz500 ~ 18000Voice coil diametermm(in.)72(3)Coil materialALR SMALL SIGNAL PARAMETERSDC resistanceReOhm5Resonance frequencyFsHz39Moving massMmsg71ComplianceCmsmm/N0.23Force factorBLN/A14.3Mechanical Q-factorQms 5.3Electrical Q-factorQes 0.54Total Q-factorQts 0.49Equivalent air volumeVasI289Voice coil InductanceLemH0.25Diaphragm areaSdcm²924Reference efficiencyEta 0%2.9SHIPPING INFORMATIONNet weightKg5.1Multipack size (1) (W x D x H)mm410 x 410 x 231Multipack weightKg6Quality Assurance Since the raw material sent in untill the speaker sent out, every aspect of them will be fully checked.We have many advanced test equipments to measure the quality of products. No defectives will be send out.Our company have a nice quality control managing system(QC) that have strict management of products and staffs. FAQ1.Q: Are you a factory or trading company?A: We are a manufacturer with our own factory ,we have more than 15 years experience.2.Q: Can you do OEM and ODM?A: Yes, both. We can put your idea into products.3. How many days do you need to prepare the goods?We need about 20-25 working days for large order.     /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1