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Dating music man amplifiers

dating music man amplifiers-1

The next one or two numbers are the month where January is 1 and December is 12. Example: AB763 = second revision, July, 1963 AA1070 = First revision, October, 1970 Misc Dating Info: Silver face amps with the aluminum trimmed grilles are from 67 or 69.The fist Master volume controls were first installed in 72.

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Date Code: Wide panel, narrow panel, brown, blonde, and black face amps have a date code hand-stamped on the tube chart. The first letter translates to the year and the second to the month. Example: FG=July 1956, QA=January 1967, and a reissue CG=July 1992 EIA Source-Date Codes: Electronic components such as transformers, potentiometers, speakers, and some capacitors are often stampted with a date code indicating who manufactured them and when.Delivering the iconic guitars and basses designed by the legendary Ernie Ball Music Man brand, we are dedicated to building the finest instruments for all levels of musicians - those who simply love the rebellious sound of electric guitars and basses.Following our strict quality standards, all Sterling by Music Man instruments are carefully and proudly inspected by our team in Orange, California before reaching musicians worldwide.The raised “Fender” grille logo lost its tail around 76.There are exceptions to this rule like the the Bronco.Only 11 of these early 5D6 Bassman examples are known to have survived.

The lowest serial number known to still exist is 0013 (Frank Roy), 0035 (Albert Talley), 0075 (Jim Cornett), 0077 (Perry Tate), 0089 (Mark Grandfield), 0701, 0745 (Walter Horton), 0769 (Hayes Kolb), 0780 (sold on e Bay Nov 2006), 0783, and 0785 (Hayes Kolb) are among those still known to exist.

Besides being a popular and important amplifier in its own right, the Bassman also became the foundation on which Marshall and other companies built their high-gain tube amplifiers.

5B6 Bassman amplifiers had two 6SC7 or 6SL7GT pre-amp tubes, two 5881 power tubes and a single 5U4G rectifier tube.

Fender often used the same circuit for many years so this is not a very accurate method for amp dating.

The code is simple, the first two letters are the revision, where AA is the first revision, AB is the second, etc.

In 1953 the cabinet designs were changed to the so-called "Wide Panel" design, with a 5 inch wide tweed covered panel above and below a wider swath of grill cloth.