Musical instrument e.g. acoustic guitar, for use by musician, has tuning pin with reinforcement for carrying stress generated by bass type string, and preamplifier permitting to have balance between pickups and volume control

摘要

The guitar has five guitar type strings, and a saddle arranged on a body for passage of a bass type string (4), where the body is made of wood. A neck includes a fret part and a fretless part (3), and a tuning pin (7) has reinforcement on the saddle for carrying stress generated by the bass type string. A preamplifier (9) permits to have a balance between pickups (5) and a volume control with respect to a female jack pivot (8).