Ovation Adamas 1687-8 Guitar #44 Engineering/Acoustic Test Document

This is an internal Ovation engineering document from 1976 detailing the construction specifications and acoustic testing of an Adamas model 1687-8 guitar with serial number 0044. The first page records build details including top configuration, brace weights, bridge dimensions, and measurement data logged on 7/2/76, 11/2/76, and 11/19/76. The second page contains a frequency response chart (sound comparison test dated 11-29-76) conducted by technician D. Johnson, with a handwritten note indicating overall amplitude was considered too low by approximately 2 dB.