Denon AVR-3805 Auto Setup Specifications - Page 2

D E N O N E L E C T R O N I C S ( U S A ), LLC. Microphone Amplifier Gain Setting using Sound Level Meter and RMS Volt Meter First you will need to adjust the "microphone amplifier gain". • Connect all the speakers and the video monitor (for the on-screen display) with the AVR-3805 • Connect the microphone with the microphone amplifier • Turn on the AVR-3805 and the "microphone amplifier" • Turn on the "Phantom Supply" on the microphone amplifier AVR3805 Speaker Use the internal test tones for mic amp calibration. Measure the Sound Pressure Level with SPL meter at the Microphone point. Adjust AVR volume SPL meter = 80dB(c) Microphone MIC AMP with mic power supply ex: mixer amp 120 mVrms Measure the output level and adjust the mic amp gain to 120m V rms using a RMS volt meter. 2