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Ovation Guitar #66 Internal Build Specification Sheet - Model 1187-8 S/N 0066

1976

This is an internal Ovation guitar factory specification or inspection sheet dated December 13, 1976, for Model #1187-8, Serial Number 0066. The document details construction specifications including a new core, top with bridge and braces, 60° Top #36, bridge dimensions, and nine numbered brace measurements. It also includes measurement data columns for RL, SN, K, and FF at various deflection levels (.25, .50, 1.0).