The Revelle Model 630 Viola has a booming sound with dark and earthy tones. The 630 has a carefully selected Russian spruce top, air-dried for 15 to 20 years, and a master-grade flamed maple back. It is varnished with spirit varnish and light antiquing. Each 630 is set up with a Despaiu bridge, Wittner tailpiece and Dominant strings. Body length: 15.5 inch Sold by The Long Island Violin Shop, Huntington, NY (shop stock SN-4850).