Serial number 5911233, 5901033 & 5901034. The item "Conrad Johnson Premier 8A mono block tube power amplifier" is in sale since Sunday, March 7, 2021. This item is in the category "Consumer Electronics\TV, Video & Home Audio\Home Audio\Receivers & Amplifiers\Amplifiers & Preamps". The seller is "maaudioo" and is located in Fremont, California. This item can't be shipped, the buyer must pick up the item.