A customer recently asked me to look at his immaculate Marantz SC-80 preamplifier / SM-80 power amplifier combo. Both pieces were playing up and required work. In this article I will look at the preamplifier, the next article will examine work required to remedy the power amplifier.

The Marantz SC-80, and its partner, matching Marantz SM-80, are quality mid-range separates hailing from around 1990.… Read more