Some people, incorrectly, term this as a schematic. It's supposedly shows the proper effect pedal placement for a guitar amp with… | ทฤษฎีดนตรี, ดนตรี, กีต้าร์ไฟฟ้า
Guitar Pedal X - GPX Blog - Eddie Van Halen's Pedals, Typical Pedalboard Arrangement and Suitable Alternatives
Order of Operation: A Guide to Bass Effects Signal Chain - BOSS Articles