I have used both the 75 watt and the 140 watt verisons of the amplifier. I find them to be adequate amplification devices that seem to be low maintenance. The unit do not require manula bias which some would prefer as they do not have to pull out meters and probes...etc. It has been a while so I (sorry) can't go into the depth of the osund too much, but I can say that I remember not being offended by the sound. Sorry that I can't offer you more than that.
Regards,
d911
Regards,
d911