Brace Top and Rim Studies - Ovation Acoustic Electric 60° Tops Only

This is an internal Ovation Guitar Company research and quality control document analyzing acoustic electric guitars with 60-degree tops only, dating from around 1976 based on test dates mentioned (3/14/76, 5/28/76). The document contains detailed measurements including guitar weights, end numbers, top numbers, brace weights, top weight, rim specifications, and sound quality notes for numerous guitar units tested. Various artist/tester names are referenced (N. Wilson, R. Pogue, J.M McGraw, Cat Stevens, McCannon, G. Leis, etc.) alongside sound quality ratings ranging from standard to 'Super'.