Changing the 0A2 and 6AU6 to 0B2 and 6AU6 had no effect on mine for either good or ill. Harry, KT4AE Maryville, Tennessee No virus found in this outgoing message Checked by PC Tools AntiVirus (3.6.0.34 - 10.048.011). http://www.pctools.com/free-antivirus/