Boss pedal serial dating
Even including a couple of outliers, the correlation between serial number and component date is remarkable (r = 0.995 for a 4th-order polynomial curve fit).As DOD's FX100 pedal board (made in the 1980s) required one to remove the pedal's bottom plate for attachment, which could result in the wrong plate being re-installed after the pedal is removed from the board, such a high degree of correlation during this time is especially striking.Five related pedals (represented as red circles, including four Digi Tech PDS-series twin pedals and one DOD Master Switch 225, each of which used the same type of serial number sticker) fit very well with the FX-series data.Although we only have data from four PDS-series pedals, it may be reasonable to use this plot to estimate the production date of all PDS-series pedals.
However, the bifurcation of the scatter plot might be explained if pedals are sorted by series and then by the type of serial number sticker used.
It is possible that others may exist, probably closer to 118k than 200k.
Between serial number 200k (1983) and 1600k (1996), the correlation is sequential but nonlinear as production increased or slowed down.
Bundy Pretty sure your MIT SD-1 won't have been made in 1980 as production didn't switch to Taiwan until much later (1988? At a rate of one number per month, the cycle takes 8 years and 4 months to complete.
By the end of the 80s, they'd moved on to another system, and by that point the old Bossarea decoder should do the trick.