Boss Serial Number Decoder
 
Enter your Boss serial number: This serial number decoder accepts all types of Boss compact pedal serial numbers. The different types are shown in the images below.
Type I - Used from late 1977 until early 1981 Type II - Used from early 1981 until early 1989 Type III - Used 1988-1989 Type IV - Used between March 1989 and October 2010 Type V - Used from November 2010 until present
 
Note that the algorithm for serial numbers of type I, II and III are not confirmed and must be regarded as at least +/- two months of the real production date. You may also find odd serial numbers that doesn't match the expected year of production. If you do, please post on the forum.
 
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