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 GRD (GUITAR RESEARCH AND DESIGN) | | GRD DESIGN FEATURES | Guitar Reseach and Design was an innovative company during the late 1970s. Some of the company's ideas include the thin body acoustic guitar, brass nuts, hexaphonic pickups, and active electronics that featured on-board compression, distortion, and wireless broadcasters. GRD electric guitars utilized fade/mix controls (instead of the usual toggle switches) to blend the pickups' outputs; and featured coil tap (coil split) and phase switches. GRD electric guitars were also available with built-in six-band graphic equalizers that offered 18 dB of cut or boost, and parametric equalizers with selectable frequency centers and cut or boost controls (these features are usually associated with P.A. mixing boards).
GRD hardware was manufactured in house, and the pickups used on the electric models were specially wound and potted by DiMarzio. What appears to be binding on the solid body models is actually two laminated layers of maple sandwiching a layer of ebonized maple in the center. GRD instruments all feature the highly noticeable "Omega" headstock cutaway. | |
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