Check the listing for details. HENRY ELECTRONICS RF AMPLIFIER S-80 146.00MHz. Condition: Used. Listed at 279.99 USD. This is for a HENRY ELECTRONICS RF AMPLIFIER S-80 146.00MHz Condition: This Amplifier is pre-owned and in good condition. It appears to be in great condition and in working order there is no real signs of ware. Looks to have been mounted at one time. Please do your reserch as this was an auction item and I know very little about it. ***Please look at all pictures for condition details as they are part of the description.*** Most of my items come from auctions and estate sales. I do not know the history (smoked, pets). *** I am not an expert in any field, but I do try my best to list items as accurately as I can.*** If you would like more information please feel free to contact me with any questions you may have. Leaving Feedback is greatly appreciated. Thank you for your interest and looking. Have a great day!