In the second string of numbers, the first three numbers are a code identifying the manufacturer.
The next two numbers after the manufacturer number are the year, and the last two numbers are the week of the year the pots were made.
In the simplest terms possible, fuzz is simply what your guitar signal sounds like as it is being literally destroyed.
It found its way as a very useful semiconductor material by the late 1940’s and helped in moving a lot of electronics away from the use of vacuum tubes, ushering in the beginning of the solid state era.
I've made some changes to use TL072 opamp due to they were the only ICs I've had.
I can recomend building this pedal to all beginners - you won't be disappointed.
The codes were created by the Electronic Industries Association (EIA) in 1920s to identify the product source and date of manufacture.
The first string of numbers is usually the part number, or sometimes the pot value.
Stackpole and CTS made the pots in large runs also, so they may have shipped pots dated earlier than the year Electro-Harmonix ordered them. Some Triangle Muff pot codes are dated 1966, two years earlier than the founding of Electro-Harmonix!If the code does not fit the above criteria, don’t force it and skew your dating results.I've read about lots of people changing out the cap values on their tone pots for different pickups, with lower values allowing more treble into the signal.So a pot stamped 1377833 is a CTS pot made in the 33rd week of 1978.Note that this does not mean a Muff with a 1978 pot was actually made in 1978, it just means it was not made much earlier than 1978.Germanium and silicon have several different characteristics that might draw you to one instead of the other.