This is a user manual for the AX-390 Natural Sound Stereo Integrated Amplifier, which describes the features and functions of the amplifier.
This document is the Owner's Manual for the Yamaha AX-390 Natural Sound Stereo Integrated Amplifier. It details the supplied accessories, including a remote control transmitter and AA batteries, and outlines safety precautions such as proper ventilation and voltage selection. The guide explains how to use the front panel controls, including the power switch, input selector, tone controls, and volume knob, as well as the continuously variable loudness control.
The unit provides 82 watts RMS per channel at 0.04% total harmonic distortion.
The amplifier operates within a frequency range from 20 Hz to 20,000 Hz.
You must allow a space of at least 10 cm behind the unit to prevent overheating.