All, Have worked on several 348s over the years but this is the first one with an original dyno (DM-28-R). How hot do these things get when operating at rated in/out voltage and current? Thanks. Dennis D. W7QHO Glendale, CA ************** It's Tax Time! Get tips, forms and advice on AOL Money & Finance. (http://money.aol.com/tax?NCID=aolcmp00300000002850)