We have designed our own replacement circuit board that features a durable double-sided construction and generous pad sizes to resist. The EL84 run hot and this leads to the pads lifting away from the boards and due to stress the tracks break. 2006 amps have a small metal "Fender 60th Anniversary" button on the back plate. A frequent problem with the Blues Junior is failure of the tube circuit board. Its a good looking little amp, sounds ok, and just about the right size to drag around in one hand with a guitar case in the other.
FENDER BLUES JR SERIAL
There is no reliable way to date 2003-2005 amps other than to ask Fender customer support to look up the date from the serial number. I have a Fender Blues Jr amp that I acquired in a trade a few years ago. Fender Blues Junior IV FSR Surf Green/Wheat 15-Watt 1x12' Guitar Combo. The codes are usually handwritten, and the letters can occasionally be hard to decipher.įender discontinued date codes in 2003.
FENDER BLUES JR CODE
Most of the modifications for the green board simply help it to perform as well as the cream board.įender adopted a two-letter dating code in 1990, and the code can be found on the Quality Assurance label, inside the cabinet, sometimes located on the bottom, next to the reverb tank, sometimes on the side. One is not necessarily better than the other the dark tones are nice for blues, while the new amps do brighter, surf-y tones better.īelow is a table of revision dates and the changes made on those dates.Ī Green Board 3/3/95 Product IntroductionĬ 10/29/96 Revised preamp and FAT circuitĪ Cream Board 3/21/01 Revised reverb circuit, new board layoutĬ 2003 Corrected backwards polarity on filter cap for -15V reverb supply But the old ones sound darker, while the new ones are brighter, with more emphasis on treble tones.
FENDER BLUES JR PORTABLE
The biggest change is the reworked reverb circuit. The Blues Junior is a tube guitar amplifier introduced in 1990 by the Fender Musical Instrument Corporation.It is aimed at achieving the warm, tube-driven tone common in many styles of American blues and blues rock dating back to the 1950s, while remaining both portable and affordable. This amp was designed for use in studios or as a practice amplifier, but it is also a perfect small blues guitar amp for those who are just starting out. It is a small amplifier, so don’t expect it to replace your larger tube amps. Dynamics are the order of the day for this 15-watt, all-tube combo true to the philosophy that the tone is in the fingers. The cream-colored board is laid out entirely differently (and better) than the green board. The Fender Blues Junior IV offers great tone and versatility for its size and price. Fender’s Blues Junior amplifier is aimed squarely at guitarists with a taste for vintage sounds, from clean through to overdriven. Blues Junior history can be divided into two major categories: the early amps with green circuit boards and the later ones with cream-colored boards. Fender introduced the Blues Junior in 1995, and has revised and updated it periodically since then.
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