jay waller kf5hc ...are you thinking about buying from jay ??? he is listing collins equipment for sale, rated 8 - 9 cosmetically.... here is a picture of the "working" power supply for the L-7 that jay shipped ... i make no comments, judge for yourself. paste entire link http://us.f1.yahoofs.com/users/a383dfe4/bc/My+Photos/drake+l7ps.jpg?bc6TtA_A U75iMU7A