In Stock. 45 Day Lowest Price - 100% Satisfaction Guarantee. The Adamas U681T-5 40th Anniversary Limited Edition is designed for optimum acoustic response. It's 12 fret to the body scale places the bridge in the center of the lower bout of the body - the perfect spot for maximum vibration. The OP Pro preamp and Ovation OPP pickup deliver a plugged-in sound and reflects this guitar's rich tone. Features include a carbon graphite top, mahogany/maple neck, gold Schaller machine heads, ebony fingerboard, and more. Includes a FREE case!