Marshall Bar Code and Seriel Number Dating Scheme - Musicians Roadhouse Marshall Bar Code and Seriel Number Dating Scheme - Musicians Roadhouse

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Page 1 2 "How old is my Marshall? How to read the bar code Ignore the bar code on the first line. This a b c sequence began in and was valid through Notice the large font size and white manilla paper gasket.

How to read the serial number Marshall used a coding system that provided a model, b serial number, and c manufacture date. Serial Numbers Does it have a serial number stamped on the chassis?

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Yes read on No next page Marshall began using a nine-digit bar code label beginning in How to read the bar code Ignore the bar code on the first line. If your amp or speaker enclosure sports a black-ink-on-white-background barcode label on the chassis or back of the cabinet, then you know that the product was manufactured somewhere between and the present.

The truth is, a lot of date stamps do not correspond with those formats and this confuses a lot of people. These can be ignored for dating purposes. Does it have a bar code? The first two digits are the year.

Marshall 1960A 4x12

On rare occasions you may find some chassis leg period date stamps printed on the chassis rim instead. More example date stamps are shown further down the page.

Look at the numbers on the second line. You might read elsewhere that the month codes changed in However, for dating purposes — they are only usually present on speakers made between to A number directly next to the pair of letters, if present, is the day of the month. Genuine stamps would be on the front gasket as in the previous photo above until April Look at the numbers on the second line.

Trademarks and copyrights used herein are the property of their respective holders. How to read the serial number In destine implinite ep 269 online dating, the order of the serial number components changed to a c bbut the method used to determine the values for a and c remain the same.

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From around onwards the date stamp, speaker model, and inspection number are joined together in one continuous line. Although the stamp formats can be useful for verification, I do not recommend using them as the main basis for dating your speakers.

From onwards a two digit number is used instead.

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Here are the date codes: Possible values are shown in the table below. Fake date stamps Fake: The faint ink can sometimes make them difficult to read. The first two digits are the year. Z was used for two years, allowing time to convert to the bar coding scheme started in October 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.

Inspection letter V From Dec 71 to Sep 72 the day of the month was omitted. Date stamps are printed vertically on the frame, and leading zeros are usually omitted from the day of the month.

Occasionally they might be printed on the outer rim. Marshall Arts is not affiliated with Jim Marshall Products, plc. Date stamps are printed on the leg of the chassis. Be careful of date stamps printed in reverse year then month. To date your speaker, simply find the pair of letters in your date code and use the chart at the top of the page to decipher them.

You might have read on older websites to use the stamp format to date your speakers. 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.

Yes read on No scroll down to the seriel nuber section Marshall began using a nine-digit bar code label beginning in Unfortunately Celestion were never completely consistent with their date stamping.

The last two denote the month. Also, for reasons not explained, there are no Q-dated amps. Have an older Marshall without a bar code?

Marshall 1960A 4x12

Have an older Marshall without a bar code? The last two denote the month. Marshall amps began featuring aluminum back panels in Using the information in this section, you can attempt to dial in the possible dates of manufacture more closely than by sheer estimation alone.

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From onwards a two digit inspection number is usually included. Note that some models produced from had serial numbers stamped on the front panel to the left of the power switch.

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Step 2 — Decipher The Date Code All Celestion date codes contain a pair of letters representing the month and year the speaker was made.

This system was used untilwhen a bar code system was introduced. The five digits in between are the serial number. Does it have a bar code?

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In most cases the first letter represents the month, and the second letter represents the year. Date stamp is still on the front gasket but with a smaller font size.

How To Date Your Speaker

A leading zero is used for single digit numbers. The five digits in between are the serial number.

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If your amp or speaker enclosure sports a black-ink-on-white-background barcode label on the chassis or back of the cabinet, then you know that the product was manufactured somewhere between and the present.

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

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Both of these speakers were made Nov The font size is reduced from around mid onwards. Use the stamp location colour codes to guide you.

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Since A was used in both andMarshall decided that would start with C.