Dating rola speakers
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.
The codes are added on the production line and are stamped on the speaker's chassis leg, on the front gasket or for later speakers, printed onto an id label stuck onto the magnet's edge.
" And if your speaker is in reasonably good condition, then it is straightforward to find this out for yourself.
The number 371 indicates Altec Lansing and 794 represents Harman Kardon. The first two digits after the manufacturer three digit code indicate the year.
Speakers made before the 1970s only have one digit representing the year which is misleading.
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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