ProCo Rat Potentiometer Date Codes
Most Rats up until mid 2000's used CTS pots. To determine the date of your Rat find the 7 digit number on the back of the pots.
The 1st three digits are the manufacturers code.137 = CTS (Chicago Telephone Supply). The 4th and 5th numbers are the year made (example: 1378509)
1985 would be the date for this pot. | |
This is a pot from a very early "Fringe logo" Big BoxRat. Date code is 1979 |
Manuals and Brochures | Links: |
Official Rat Distortion Site | |
ProCo Sound | |
Wikipedia Rat | |
Any pictures, additional information, or corrections to this Rat history project would be greatly appreciated. Use our contact form to submit any information.