The Guild Starfire IV was arguably the most popular guitar in the Starfire line, enjoying the longest production run into the early 1980s. It was originally introduced in the early 60s as a mid-level semi-hollow electric, and promoted as having the same quality and look of the Starfire V without the more expensive hardware. Looking back on it now, that promotion probably was flawed due the fact that all Starfires were of similar construction. Regardless, legendary blues guitarist Buddy Guy lent his endorsement to the model in the 70s.
During the first few years of production the IV changed very little. But in 1967 the neck was slightly modified by moving the joint from the 16th to the 18th front. When the Starfire V died in the early 1970s, the IV inherited the RotoMatic tuners, block inlay, and master volume control. The modifications are most likely what extended the Starfire IV's life as long as it did.
By the early 1980s the Starfire IV was the only model still in pro