This 77SX was gone through by KF6I a year+ ago, new panels, new HV power supply board, led meter lamps etc. Pretty nice condition. I have installed a brand new pair of Eimac matched 8877 tubes. $5000.00 pickup in Bakersfield, CA or meet at a reasonable distance. Reason for selling is I have a 77DX and don't need both. Thank you, Terry W6RU BTW, for those that don't know, ALL Alpha 77DX and 77SX amplifiers came from the factory with the "DX" marked panel. Any 77SX panels seen on these amps are aftermarket panels put on by a user. Yes I am old school and wanted to keep it's factory look.