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Dating gibson humbucking pickups

Hey Zach, I have a Gibson Les Paul I’m trying to identify.The serial number is 676323, and “Made in USA” is stamped below that.

I get several questions about Gibson serial numbers every day, and my initial answer is always to not expect or rely on the serial number alone to determine the year of manufacture.For many Gibson owners, it’s hard to believe that an individual serial number won’t automatically indicate the year and model of the guitar in question.In fact, without any other information about the guitar, the serial number is essentially worthless.This was mainly caused by Gibson trying to keep up with production while attempting to serialize everything accurately, as well.Unfortunately, during extremely busy times, production simply trumped serialization.Gibson has used numerous serialization systems over its 100-plus-year history, and a majority of these numbers were used haphazardly—and rarely in consecutive order—until the system was standardized in 1977.Up until the early 1960s, serial numbers were fairly consistent, but for most of the 1960s and 1970s, six-digit numbers were used pretty much at random.Based on the charts originally compiled from Gibson’s shipping ledgers by author A. Duchossoir, the serial number you provided could have been used on Gibson guitars produced in 1970, 1971, 1972, 1974, or 1975.The most important dating feature on guitars with six-digit serial numbers is that, starting in 1970, Gibson began stamping “Made In USA” near the serial number on the back of the headstock.Since the value of a Gibson Les Paul differs widely between 19, it is very important to pinpoint the year.As for dating pots, you are correct that the fourth and fifth numbers of the potentiometer date code indicate the last two digits of the year (that is, the “71” in your serial number stands for 1971).

Comments Dating gibson humbucking pickups

  • Gibson PAF Humbuckers Pickups Patent Applied For Pickups M69.
    Reply

    Time the winding process. That is one reason for the randomness of PAF pickup resistance. Around 1965 to 1968 exact date unknown, Gibson changed from a manually-run pickup winding system to a fully automated system. Because of this their humbucking pickups all became a consistent. 7.5k ohms from 1965 and later.…

  • Vintage Gibson Humbucker Specs and General Pickup Tech.
    Reply

    Apr 28, 2009. 1967 – 1980 “T-top” “T” on bobbin top, Chrome cover, Alnico 5, polyurethane wire, automated winding begins '65 – '68, some '69 – '73 pickup covers embossed “Gibson”, “patent no.” sticker on baseplate '67 – '74, patent number metal-stamped beginning 1974, ink stamp with date '77 – '80, ohms.…