In response to market demand, Bourns has re-released the Model 82 Vintage Guitar Potentiometer. This model was originally released in the late 70s and made its way into custom guitar shops, where artists quickly recognized its superior performance. Referred to as the "square blue pot," this product has withstood the test of time, with some artists noting that they have still have the original guitar potentiometers in their instruments.
These pots have a 10% tolerance. The main difference in cost between this and the 95 is the 82 has a few more mechanical parts and is a 10% tolerance. Resistive tolerance and taperplay a major part in the overall tonal characteristics of a guitar. Materials used in construction of the pot contribute to the stability and performance of the pot. Carbon resistive inks can shift in excess of 10% easily with changes in temperature and humidity due to their hygroscopic characteristic. Conductive polymer inks that are used in Bourns high grade potentiometers are much more stable. The seal will protect the internal components from the effects of temperature, humidity and dust.
Wiring for a Bourns potentiomoter is slightly different than the standard potentiometer.
There are three lugs labelled 1, 2, and 3.
The #2 lug , which is closer to the top, is what would be your center lug on a standard potentiometer.
Threaded shaft length is 3/8"
The dimensions of the base are .860 x .860 x .740