I had a 700B for a while and with the speakers I had, Heresy's and Large Advents. It did just fine or as well or better than most anything else available at the time. It certainly sounded better than the Crown DC 300. It was built as well as most electronics of the day. Really insane build quality did not come along until Mark Levinson and Krell broke the mold. Not even Marantz was using mil spec parts back then and their switches were just as crappy as everyone else. I drove the 700B with a Marantz 7C.