The cage may have been replaced early on because it does not have any stickers (serial number or UL approval) This amplifier has not been used for over 40 years, and was stored in a basement all this time. The outside is in very good shape, the inside looks fine. The item "Marantz Model 9 Amplifier for parts or repair" is in sale since Wednesday, December 28, 2016. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps". The seller is "flatpanels" and is located in Lutherville-Timonium, Maryland.This item can be shipped to United States.