Will sold his rebuilt ST70 Dynaco amps on this site till he got frustrated with some of the posters here and switched his sales to US Audio Mart. WTS, I did a lot of research on his amps and some of the competitors that do, IMO a quality build as well and went with Chris Keller who also sells on USAM. Chris starts with a new chassis and does some really cool tube changes ( switched to 12AU7s on the smaller tubes for about $1,000.00 less than Will, the fit and finish of Wills amps are second to none and he does move the RCAs to the back of the amps also Will's amps are just plain gorgeous. I wanted to try that Dynaco magic for my self and the EL34 tubes are my favorite power tubes, but did not keep the amp long as it was not a good fit for my system. I have never heard any thing bad, ever about Wills amps and all his customers seem to be more than satisfied. I am sorry I can't give you first hand experience but thought my response might be pertinent to your question. Enjoy the music
