MARANTZ Model 140 Power Amplifier Stereo Main Amp Vintage HiFi Audio Tested

About this deal

The Marantz Model 140 is a solid-state stereo power amplifier produced between 1976 and 1978. It delivers 75 watts per channel with a frequency response of 20Hz to 20kHz and total harmonic distortion of just 0.2%. It features a damping factor of 30, an input sensitivity of 1.5V, and a signal-to-noise ratio of 98dB. The front panel includes left and right channel VU meters with peak indicators, individual gain controls for each channel, and RCA phono inputs. This is a pure power amplifier, meaning it requires a separate preamplifier in a hi-fi system. It was designed to offer strong cost performance while applying traditional Marantz technology. It appeals to vintage hi-fi enthusiasts seeking a well-built 1970s amplifier from a respected brand. This listing has been tested and confirmed working, making it a practical choice for anyone looking to enjoy classic Marantz sound without a full restoration project.