Features The 280MA has 8 inputs and dual 80W power amplifiers Ideal for commercial and industrial use Expandable by adding Crown Commercial Audio Series mixers or power amplifiers Balanced Phoenix-type mic/line inputs; touch-proof screw-terminal speaker outputs Any input can be sent to any output Priority muting Three-Year, No-Fault, Fully Transferable Warranty completely protects your investment and guarantees its specificationsAvailable Options80W with 4 inputs80W x 2 with 8 inputs160W with 4 inputsAvailable AccessoriesRemote Volume ControlSpecifications Frequency Reponse (at 1 watt from 4-ohm tap): 70 Hz to 19 kHz ¡À 1 dB Frequency Response (at line out): 20 Hz to 20 kHz ¡À 1 dB Power Bandwidth (at 4-ohm tap, 2 dB below maxium 1 kHz power): 50 Hz to 20 kHz with Signal to Noise Ratio (ref. to rated power, master volume at minimum): 85 dB DC Output Offset: THD: Less than 0.5% at rated power at 1 kHz Input Sensitivity (for full output at maximum gain): Balanced mic inputs: 3 mVBalanced line inputs: 800 mVRCA connectors: 400 mV Input Impedance (nominal): Mic: 400 ohmsLine: 100 kilohmsRCA: 50 kilohms Crosstalk: ¨C70dB at 1kHz Line Output Level (nominal): 1V into 10 kilohms Phantom Power: 15 VDC AC Line Voltages Available: 100V 50/60 Hz120V 60 Hz220V 50/60 Hz230V 50/60 Hz240V 50/60 HzOperating Temperature/Humidy: 0¡ã C to 40¡ã C at 95% relative humidity (non-condensing) Storage Temperature: ¨C20¡ã C to 85¡ã C
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