Fulltone Fat-Boost early model. Second owner, no original box The back is covered with Velcro, but the signature and #serial number sheet are protected to prevent them from peeling off. (Photo 2) The Drive knob makes a buzzing noise when turned. This is caused by the bias control of the FET MuAmp and is the default setting. It will not occur when used in any position. A specialty shop offering a wide variety of carefully selected Japanese brand items. Even if you think to yourself, But the item I want is only available in Japan. , make sure to consult with us before giving up hope. We will look for and suggest the best products on your behalf. International Buyers – Please Note.