Further Analysis of Factors Contributing to Variability in Web-Offset Color Advertising

A primary purpose of the Graphic Communications Association's SPECTRUM program, which began in 1978, is to find the means for control of variability in web offset color advertising reproduction. The subjects for this study, which was conducted in commercial production facilities, included paper surface characteristics, alternatives to standard proofing stock, and dot gain. The results from the Spectrum '83 test project are discussed. standard proofing stock, and dot gain. The results from the Spectrum '83 test project are discussed.