for sale a markbass compressore in great condition. I got it new from musicians friend. It has been used by me at my house and on a few gigs. Also have the box and power supply that came with it. Paypal or MO, 150 includes shipping in CON US.will ship with new jj telsa tube as spare if you would ever need it. I have a few other tubes if you would want to role and listen. Just to sweeten the pot. I have never felt the need it sounds great with the JJtelsa it came with.