Magma Transpositor Bass is an instrument with unique style that allows the professional to meet a new sound of high quality. It is a mixture between the conventional acoustic bass and the double bass. The Transpositor strings specially designed for a scale of 25 inches were the inspiration to create this instrument. Strings: Magma Transpositor. The strings are manufactured with a core of nylon fibers covered with special silver-plated copper wound to allow a high quality and novel deep sound. Machine head: They are solely designed in a 65 cm (25.5 inches) scale lenght.