March 4, 2022

Sunken Jack Syndrome – Gibson / Epiphone 335

This Epiphone 335 model guitar came into shop with the output jack stuck inside of the body. The nut and washer that had once secured the jack to the top of the instrument had come loose allowing the jack to drop inside. In shop, we call this “sunken jack syndrome”; This happens fairly frequently on hollow body and semi-hollow guitars such as the venerable 335 model produced by both Gibson and Epiphone, as well as various other similarly styled models including many of those made by Gretsch Guitars.

Shielding an Electric Guitar

“Shielding” is tool that is used to reduce electromagnetic interference, or “EMI”, in your guitar’s signal. Since most electric guitar pickups are by definition “electromagnetic transducers”, EMI is a frequent cause of unwanted noise in the guitar’s signal chain. Guitars with single coil style pickups are especially prone to these issues.

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