A RANK HiFi Power Amp http://www.littlefishbicycles.com/poweramp/ The recent aquisition of a pair of vintage Infinity RS-5b speakers prompted a search for an amplifier to drive them. According to the documentation that came with my speakers, an amplifier between 35W and 135W is recommended (not my 10W at 10% THD piece of garbage Sharp 3-in-1). Initially, I looked at commercial amplifiers (Yamah..