Gibson amp dating
These numbers supposedly started with 1001 and progressed from there, starting with 2001 at the beginning of 1964.Often these specimens produced between October 1962 and December 1964 had an offset chassis.
Marshall used letters as a date code to represent year of production.
The guide below will help you quickly and clearly date Marshall amps and cabinets, without us waxing poetic about their influence.
Before we begin, a few caveats: The best approach is to cross-reference the serial number with known features for the model during different eras and the personal account of previous owners.
Production has continued there uninterrupted through today, though some lower-priced models are now made in China, India or Korea, depending on the series.
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.