Joel and Jim--thank you! I'll use the internal K3 keyer and connect it to my Centaur that way. 73, Gary W7TEA -- View this message in context: http://www.nabble.com/-K3--Using-a-K3-with-a-TT-amplifier---tp17684472p17696754.html Sent from the Elecraft mailing list archive at Nabble.com.