Varying editions[ edit ] Several limited edition versions of the Blues Junior have been manufactured since its introduction in Here is a list of the first letter Datint the year of manufacture.
The "Blonde" and "Brown Tolex" Blues Juniors feature traditional Fender Tolex upholstery in their ujnior colors, while the Sunburst Ash edition features an ash cabinet with a sunburst stain. A push-pull pot was added to some amps in InFender removed the "Tail" from the logo. Some of these have been artificially aged from the factory and are known as Lacquered Tweed "Relic" editions.
Early Fender Electric Blackface amps from and some into early did not have a Fender Logo on the grillcloth. Fender does not always include these limited edition versions in their updated catalogs or on their website either because too few were produced only a few hundred in some cases or perhaps because of exclusive retailer DDating.
The later circuit boards are cream or tan colored and sound "brighter" or more treble-oriented, with the reverb situated before the Master volume. The original circuit board underwent a major rede inwhen production moved from the US to Mexico. One edition was issued with a forest green colored cabinet, had a United States flag on the cloth speaker grilleand had United States Air Force markings detailed on the cabinet in yellow.
The earlier circuit boards are green in color and are noted for a "darker," more bass-inflected tone. This information is not for commercial use, and cannot be copied, posted, Datjng or otherwise used in any publication or web site.
A good amp tech can make these sound great. An amp stamped NA would have been made in Jan.
The switch to the cream-colored boards reflects the change in where the amps were manufactured, from USA to Mexico. Many green board models have excessive noise in the reverb circuit, as the al is inserted into the reverb after the master volume.
The biggest change is the reworked reverb circuit. The older amps tend to sound darker, while the new ones are brighter with more emphasis on treble tones. Fender Tube amp codes: - look for a 2 letter code stamped on the tube chart inside the back of the amp - the first letter is the year, and the second letter is the month.
Therefore, if you have a push-pull pot, your amp is or newer. These codes have nothing to do with the serial that is stamped on the right rear of the chassis - Those s are posted below. The cream-colored board is laid out entirely differently from the green board. The Blues Junior history Daging be divided into two major : the early amps with green circuit boards and the later ones with cream-colored boards.