Abstract: An electrical connector system is shown for an acoustical guitar which has been modified to receive an electrical pickup. The connector system includes a female jack portion having an exposed mouth region which protrudes from the button hole opening provided on the body of the guitar. The female jack portion also has a body with an open interior which terminates in a primary contact plate which carries electrical connections for connection with the electrical leads from the pickup. A male jack portion has a shaft which is adapted to be matingly received within the open interior of the female jack portion and carries mating secondary electrical contacts which mate with the electrical contacts of the female jack when the male jack portion of the connector system is inserted within the female jack portion.

Abstract: A control accessory is shown for use with a standard acoustical guitar which has been fitted with an electrical pickup and a female input jack. The control accessory includes a male input jack having a jack case with a male portion extending therefrom which is engageable with the female jack portion on the guitar body. An electrical cord runs from the jack for electrically connecting the guitar pickup through the male and female jack portions to a power amplifier. A sound control is located on the male input jack for controlling the flow of electricity from the guitar pickup to the power amplifier to control the sound produced by the guitar.