For sale I have a slightly used Woo Audio 3es standard edition . This is for electrostatic headphones only . Mine has less than 10 hours with no visable wear or scratches at all. Selling because I sold my electrostatic headphones and no longer need the amp The photo is a stock photo until I get home from work . Preferr local nyc nj pick up , this thing is heavy . Does not come with a power cable , that’s how they ship them . Stock tubes are included