ORIGINAL MESSAGE: On Sun, 21 Feb 2010 13:43:04 -0500, "Carl" <km1h at jeremy.mv.com> wrote: > >My 1200W LK-500 SSB/CW amp with 26uF filter has a 400-450V swing on the >meter. REPLY: That's the smallest filter for a KW+ rig I have seen so far. Most amps use something around 50 uF. 73, Bill W6WRT