Description
4-Channel full-range amplifier with on-board electronic crossover and variable bass boost. The Reference 475a's high-output PWM MOSFET power supply ensures optimum power delivery into numerous impedances with low distortion. A variable bass boost circuit is provided to optimize the low fequency performance of your system.
Full range preamp outputs are provided facilitating multiple amplifier hookups without the need for costly Y-adapters or signal splitters. The 475a comes outfitted with a variable 12dB per octave electronic crossover allowing you to optimize system tuning based on speaker location and accompanying loudspeaker components 4/3/2 channel amplifier Power Output 75 watts RMS x 4 channel at 4 ohms OR, 180 watts RMS x 2 channel at 4 ohms, tri-channel mode: 2 x 75W RMS + 180W RMS for bass Signal-to-Noise Ratio 85dBA (reference 1 watt into 4 ohms) Dynamic Power 117 watts at 2 ohms Effective Damping Factor 6.315 at 4 ohms Frequency Response (-3dB) 10Hz to 100kHz (-3dB) Maximum Input Signal 6V Maximum Sensitivity 100mV
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