The Maple neck provides stability and bright tonal character. The Purpleheart fretboard emphasizes the beauty and the rich tonal character of this guitar. The mono-unit output jack is made of solid, durable material and is a single piece to avoid unwanted movement and loosening of the jack, which leads to contact failure or disconnection. This innovation allows for long term playing enjoyment and minimal maintenance. The F106 bridge enriches sustain. String height adjustment can be done easily and independently.