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Ovation Guitar Model #1687-8 Internal Description Sheet #74 (January 1977)

1977

This is an internal Ovation factory description sheet dated January 5, 1977, documenting specifications for Model #1687-8, Serial Number 0074. The document records construction details including a new core wood top with bridge, bridge brace, and braces, along with precise measurements for resonance levels (RL), signal noise (SN), and K values at multiple test points. Brace weights and positions are meticulously logged, with a total recorded weight of 230.

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1687-8 · Adamas 1687-8 Blue

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