I have one already I was going run two for the L-R channels but I don't have the rack space to accommodate it. This unit has been serviced by ART about in week ago. Has a new tube in it also they installed in it.I have only use it like 8 times so its like new. If you have any questions please hit me up. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Preamps & Channel Strips". The seller is "akai-jones" and is located in this country: US. This item can be shipped to United States.