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This is a CDROM of a professional copy of an original set of plans for a 1958 JBL Harkness Speaker (C-40). The plans are for a very complex and challenging cabinet build There are nine (9) pages with a materials cut list. Included are Schematics for the N600 an N1200 crossovers A page with speaker component installation guide and an exploded view of the speaker. A page describing the installation of the System 001 and 002 speaker options This set of plans has been enhanced (digital clean up & re-inked) to make them more readable. |