Potentiometers Serial Number Lookup
In case the serial number of an electric guitar is absent or has become illegible, it is possible to date your guitar by checking the potentiometers. These components feature a code that indicates the manufacturer as well as the year and week of production, which is referred to as the EIA code. By using potmeter serial number decoder and the dating system provided below, it is possible to lookup information about the manufacturer and production date of an guitar’s potentiometer.
Where to find Potmeter EIA CODE location?
The EIA code, consisting of 6 or 7 digits, can be observed on the back or side of the potentiometer, either stamped or punched. The code includes the manufacturer code and the year/week code, with a possible space or dash in between.

FAQ
How to identify the date of a guitar without serial number?
In case the serial number of an electric guitar is absent or has become illegible, it is possible to lookup the age of your guitar by checking the potentiometers. These components feature a code that indicates the manufacturer as well as the year and week of production, which is referred to as the EIA code.
How do I find Potmeter EIA code?
The EIA code, consisting of six or seven digits, can be observed on the back or side of the potentiometer, either stamped or punched. The code includes the manufacturer code and the year/week code, with a possible space or dash in between.