Features like bolt-on necks and pickups wired into the pickguard all helped the Fender factory churn out guitar after guitar, day after day. His guitars were built en masse by an entire factory, not a single luthier toiling over one instrument at a time. Like Henry Ford, part of Leo Fender's genius was in optimizing the company's production efficiency. The most important thing to keep in mind when dating a Fender is the highly modular nature of the designs. Fenders rank as the most frequently bought and sold instruments on Reverb, and finding a precise date of manufacture can be key to determining the value and specifics of an instrument. So you need to figure out the year of production for your guitar or bass. I think fender bought the sunn bass amp company in the early 80s and then. Without date codes from transformers, pots and/or speakers, it’s not possible to predict amp dates by serial number. DATING FENDER AMPS BY SERIAL NUMBER, PART VI. The serial number on a Marshall amp is usually located on the back panel of the chassis but some amplifiers made between 1979.

Sunn amp serial number lookup