I have been using a Dishtronix 2400L1 solid state amp for 2 years on high speeds CW hour after hour at 1.5 KW output. Worked over 3000 CW qso's on 20 meters using this PA. Great support. US made. -- *73 de Marten - VE2WU * http://www.ve2wu.com Celebrating over 56 Years in Ham Radio