Ovation Guitars Distribution Price List - January 2013
Year: 2013
This document is an internal Ovation Instruments engineering file containing acoustic frequency response test records for the Glen Campbell Artist model guitar (unit 1127-4), spanning from June 1973 to December 1974. The records document multiple development iterations including prototype testing, special bracing configurations, and a production unit, with handwritten notes evaluating tonal characteristics such as mid-range response and sustain. The file includes frequency response charts plotted in dB across the audible spectrum, guitar body configuration sketches, and technical notes referencing Glen Campbell's sound preferences and approval.