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These current serial numbers are arranged in a letter-ten digits-letter format (A-xxxx-xx-xxxx-A).

These are still found on stickers with a bar code on the back of the amp.

We recently wrote an article detailing that rich history (which you can read here), but for those simply looking to figure out how old their Marshall amp is, we offer this shortcut.

Keep in mind that no reliable serial number information exists for pre-1969 Marshall amps, so if your amp doesn't have a number matching one of the formats below, it is likely pre-1969 and identifiable by features rather than serial number.

JTM-45 Models: 1962 - 1966 Bluesbreaker Combos: 1964 - 1972 Four-Digit Models (no series): 1965 - 1981 JCM 600 Series: 1997 - 1999 JCM 800 Series: 1981 - 1991 JCM 900 Series: 1990 - 19 Series: 1998 - 2008 Silver Jubilee Series: 1987 - 1989 30th Anniversary Series: 1992 - 1999 JTM Series: 1995 - 1998 35th Anniversary Series: 1997 only Solid State 5000 Series: 1984 - 1991 Valvestate Series: 1991 - 2000 AVT Series: 2000 - 2007 Mode Four Series: 2003 - 2008 MB Series: 2006 - 2012 Hand-Wired Reissue Series: 2004 - present JVM Series: 2007 - present Vintage Modern Series: 2007 - present Haze Series: 2009 - present MA Series: 2009 - present MG Series: 1999 - present JDM:1 Series: 2010 - present Some amps won't fit into these series (like the recent Class 5 Combo or various signature and limited edition models), so using the serial number will be your best bet to hone in on a specific date of manufacture.

To find the serial number on your Marshall amp, start by looking at the back panel of your amp.

Marshall used letters as a date code to represent year of production.

It's important to note that, prior to 1984, this letter came last.

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