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  1. S

    HELP!! low rf output on am and ssb ept3600-14b

    anyone please HELP!!!. I have a superstar 3900 gold with dual final 3600-14b board. it used to swing big it has the npc and the clarifier unlock. I haven't used it for several years and hooked it up the other day. it used to put out 40 or soand now has a hard time to key 2w and swing 20 on am...