There are several ways of identifying a manufacturer, or particular part number of a component in most audio gear that's been manufactured since the mid 1950s.
Eminence Speaker does not recone or repair speakers.
We do offer recone kits for all Pro model Genuine Eminence Speakers (i.e, Kilomax™ Pro, Omega Pro, Sigma Pro, Kappa Pro, and Delta Pro).
If it is a raw speaker then you have to make an educated guess.
Here is a chart with original Jensen speaker specifications.
So if the number on your speaker is 220947 it will read as follows; 220 is the Jensen manufacture code, 9 will be the year and 47 is the 47th week of the year.
The problem is the number 9 does not determine which decade (i.e. To determine the decade the speaker was made try to base it on what year the amp was made that it is mounted in.
Fender frequently releases limited editions of the Blues Junior.
All have the same electronic components and specifications but have cosmetic changes and often a different speaker, at varying prices.
Custom-manufactured speakers require a minimum order of 50 pieces per spec as well as a copy of your resale tax certificate or business license.
For more information regarding the purchasing of custom speakers, please see our Custom/OEM section.
There is an easy way to determine the date of your vintage Jensen speaker.