I have auditioned the Kenzie through the grace of ampsandsound company, owner Justin Weber. I had read some positive comments on the web so wanted to check this out at CanJam RMAF. I fell in love with the Agartha amp, dual 300B tubes, $3600, driving Ether C Flows, but knew I have no immediate prospects of earning that much for recreation purposes. Justin suggested that the Kenzie  would drive my Ethers as well as my Grados. I know Justin to be honest, and did not doubt him, but holy cow! I played So Long, So Wrong by Alison Krauss and Union...