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Ovation Guitar #68 Internal Build Specification Sheet - Model 1687-7, S/N 0068 (December 1976)

1976

This is an internal Ovation factory specification/inspection document dated December 13, 1976, for a Model 1687-7 guitar with serial number 0068. The document records detailed construction data including top type (60° Top #38), bridge dimensions, brace weights for 9 individual braces plus bridge brace totaling 230.5 grams, and measurement readings across columns labeled RL, SN, K, and FF at various deflection levels (.25, .50, 1.0). It appears to be a quality control or build record sheet tracking structural and acoustic properties of the guitar top assembly.

Guitar Model

1687-7 · Adamas I 1687-7

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