My friends. I have a Titan 425 PA Trying to use it in Warc Bands with dipoles each band. But knobs can not tune or load. I tryed using band knob up and down the frecuency. Have some one success in Warc bads using this amplifier ??? Thanks a lot. Guillermo(Bill) XE1ZW mailto:xe1zw at xe1zw.net http://www.xe1zw.net