Summit Audio TPA-200A Dual Tube Mic Microphone Preamp. Good working condition, well cared for non-smoking studio and unit works as it should. New- vintage matched tubes with plenty of hours to burn. The unit is missing 2 knobs and there is a small chip in the knob for "red" channel. Comes with power cord (not pictured).If you are looking at this unit you know how great they sound a must for any recording project. The item "Summit Audio TPA-200A Dual Tube Mic Microphone Preamp" is in sale since Friday, November 8, 2019. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Preamps & Channel Strips". The seller is "desjent" and is located in Minneapolis, Minnesota. This item can be shipped to United States.