Al, generally an oscillator, ugly or not, will only provide limited power due to losses on the "valve" face. There were a few designs that used conventional valves, some of which were used for commercial purposes, but that was rare. Having seen the pictures, I dont reckon your is ugly anyway. Alan Alan, May I humbly suggest that you need to take up diplomacy as a full time business! You have certainly been good to Al in this situation of the Ugly Oscillator. Jesse in Tennessee MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.