Professional Loudspeaker 12'' Line Array Speaker System 800Watt Audio 3 INCH EDGEWOUND CCA VOICE COIL 97.1 dB/SPL SENSITIVITY 800 WATT PROGRAM POWER HANDING FEM OPTIMIZED MOTOR AND SUSPENSIONS OPTIMIZED COOLING SYSTEM RESONANCE FREE AND HEAVY DUTY BASKET DESIGN GENERAL SPECIFICATIONS Nominal diameter mm (in.) 302-320(12) Nominal impedance Ω 8 Minimum impedance Ω 5.7 Program power (1) W 800 AES Power rating(2) W 400 Sensitivity (3) dB 97.1 Frequency range Hz 51 ~ 3200 Voice coil diameter mm (in.) 75(3) Chassis material Aluminium Magnet material Neodymium Magnet dimensions (ODxIDxh) mm 74 x 15 x 10 Coil material CCAW Former material Glass Fiber Xmax(4) mm 5 Xmech(5) mm 10.5 Gap height mm 10 Voice coil Wingding height mm 15 SMALL SIGNAL PARAMETERS DC resistance Re Ohm 4.5 Resonance frequency Fs Hz 51 Moving mass Mms g 50 Compliance Cms mm/N 0.21 Force factor BL N/A 17.3 Mechanical Q-factor Qms 5.3 Electrical Q-factor Qes 0.34 Total Q-factor Qts 0.32 Equivalent air volume Vas I 107 Voice coil Inductance Le mH 0.87 Diaphragm area Sd cm² 581 Reference efficiency Eta 0 % 3.3 SHIPPING INFORMATION Net weight Kg 3.7 Multipack size (1) (W x D x H) mm 330 x 330 x 180 Multipack weight Kg 4.9 Quality 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. FAQ 1.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.