Used good condition Quicksilver Audio 8417 Mono Block Tube Amps. Both Amps includes tubes: Millard's EL-34, Genalex 5AR4, JJ's 12AU7 and 12AX7 tubes. All tubes in good condition no issues no leaks. The item "Quicksilver Audio 8417 Mono Block Tube Amps Include EL-34, 5AR4,12AU7,12A tubes" is in sale since Saturday, December 28, 2019.This item is in the category "Consumer Electronics\TV, Video & Home Audio\Home Audio\Receivers & Amplifiers\Amplifiers & Preamps". The seller is "shakamee" and is located in Columbia, Maryland. This item can be shipped to United States.