In Stock. 45 Day Lowest Price - 100% Satisfaction Guarantee. Washburn revolutionized the electric-acoustic guitar over two decades ago with its Festival series line of guitars designed to provide the punch of your favorite electric yet deliver the sweet sound of your best acoustic. The 21st century version of this innovation is the EA18 which features a B-band preamp, thin cutaway body, hand selected ash top, book match back and side with chrome 18:1 Grover tuners.