Marshall amplifier serial number dating mandating health insurance

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It’s important to note that, especially in the early years, Marshall was not always consistent — there are exceptions to these rules.

Checking against other amps from the era as well as component markings (speakers, potentiometers, transformers) can help to confirm a year of production.

How to read the bar code Ignore the bar code on the first line. Note that some models produced from 1979-81 had serial numbers stamped on the front panel (to the left of the power switch).

How to read the serial number (1969-1983)Marshall used a coding system that provided (a) model, (b) serial number, and (c) manufacture date.

These serial numbers can be decoded as follows: Examples: 93-10232-12 1993 Model #9100 Valve Amp for JMP-1 RI 95-94082-45 1995 Model #2245 JTM 45 Reissue S/A 95-54517-05 1995 Model #2203 JCM 800 Master Volume RI/ 969096734 1996 Model #1987X Reissue More Examples In August of 1997 Marshall switched to their current serial number format which contains more information and is easily decoded.

Examples: M-20-Z 2000 Model #1960AX M-20-Z 2000 VBC810 Bass M-20-B 2002 Model #2203ZW JCM 800, Zakk Wylde, 524 of 600 More Examples These are printed on a sticker and affixed to the back of the amplifier and are comprised of a letter followed by ten numbers followed by another letter: A-xxxx-xx-xxxx-A.

While the age of an amp has no bearing on how good or bad it sounds, it can have an impact on the selling or purchase price of a Marshall rig. Does it have a serial number stamped on the chassis?

To avoid confusion with the numerals 1 and 0, Marshall elected to skip the letters I and O.

Dating a Marshall amplifier can be a daunting task for even the most savvy of suitors — Amp Archives is here to help.

The earliest Marshall amplifiers were made in 1962 and had no model or serial numbers.

The table below outlines the meaning of these letter codes.

Marshall amplifiers didn’t start using true serial numbers until July of 1969.

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From 1962 until 1964 Marshall amplifiers were identified by a four-digit sequential number inside the back panel, reportedly starting with 1001 in 1962 and reaching 2001 at the beginning of 1964.

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