Original poster: "Kamil by way of Terry Fritz <twftesla-at-qwest-dot-net>" <tcmail-at-poczta.fm> Hi! I have been tuning my new TC, and I haven't seen any difference in output, when I changed number of primary turns from 5.5 to 6.25 (in this range output was quite good). Does it mean that I haven't found the best point,where the output will be better? Kamil Kompa