Wouldn't that make you suspect that your homebrew amp isn't very linear? It does me. Dave AB7E On 11/30/2011 7:42 AM, ANTHONY JAPHA wrote: > In driving a solid state amp (homebrew), I've found that a change of a single watt from the K3 (or any other driver) can make a considerable difference to the input V and I and output from the amp. > > > Tony, N2UN