Mapcase folder 6

Includes materials documenting the Lab Series amplifiers, Gibson RD guitars, and various amplifiers, compressors, and equalizers.

Includes hand drawn and printed schematics, notes, PCB and panel layouts for circuits developed primarily in the 1960s-1970s. Includes custom designs and modifications for individuals including Wendy Carlos, Keith Emerson, Jan Hammer, Eddie Harris, John Eaton, and Max Brand. Includes associated correspondence with collaborators and customers where applicable.