This is a self-made item for research and verification purposes. The enclosure is a Hammond 1590B, with Belden 8530 for the main wiring and Alpha pots and footswitch. No unnecessary modifications have been made to the original circuit. True bypass, DC9V power supply only (batteries not supported). The transistors used are BC108Bx2. As this is a handmade item, there may be minor scratches etc. from the manufacturing process. Please refrain from purchasing if you are sensitive to such imperfections or seek a perfect product.