Dating vintage jbl speakers

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Carefully turn the speakers around so that the back of the speaker is facing you.

Inspect the back of the speaker for a sticker that has digits or letters on it.

It'd be awesome if you could upgrade to a modern browser, especially Chrome and Firefox as that is the best out there right now. You might find some of the information useful in determining which speaker would be best suited to your application.

The picture is a section of the basket rim of a speaker.

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There is an easy way to determine the date of your vintage Jensen speaker.

The next number is the year of manufacture and the last two numbers will be the week of manufacture.

Take the following example: In this case, "220" is the Jensen manufacture code.

The year is confusing because it is only a single digit.

Some manufacturers also attached other letters to the end of the date code to indicate day of the week, work shift, serial number, lot number, etc.

The EIA only specifies manufacturer and year/week code.

Anything else is at the discretion of the manufacturer.

Click here for more Manufacturer Codes Speaker Implementation and Amplifier Configurations If you would like to add some info to this list, (any company, any model) feel free to write us with the info.

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