M-4

About the M-4

The Yamaha M-4 is a highly regarded stereo power amplifier from the late 1970s and early 1980s. It is noted for its clear and natural sound quality, making it a favorite among audiophiles. The amplifier features a power output of 120 watts per channel into 8 ohms, with a frequency response of 1Hz to 100kHz and a total harmonic distortion of 0.005%. It includes gold-plated RCA inputs and speaker outputs, enhancing signal integrity. The M-4 also features a damping factor of 200 at 8 ohms, ensuring strong control over speaker loads.