I have various blues jr i iii schematics and owners manuals. Fender musical instrument corporation fenders official. Top 100 blues songs pdf zipped top 100 blues power tab zipped download. Highlighted parts have been modified in some way for this project. Note s texas blues ramon 4 2 5 10 11 in 3 blues 2 doug 4 5 5 7 6 in 3 roadhouse clean jesper hansen 4 7. Compare your schematic to the fragments posted further along to make sure theyre basically the same. Whether you need to speak to a gear advisor or simply want to drop us a line, this is your source. Fender blues jr combo v2, v3 and v4 now made in mexico, this is a very popular 15w fender combo amp and i have modified hundreds of them. Currently we have 27502 diagrams, schematics, datasheets and service manuals from 978 manufacturers, totalling 16. Fender blues junior service manual pdf download manualslib.
A true classic, with that latenight blues tone found nowhere else but in a fender. Ill update the schematics and record new sound clips when i get some free time. Blues junior schematic and layout pdf newest version uploaded. The following wiring diagrams have been developed by members of our pit bull guitars community forum and represent just one way to wire your guitar. Partitions jazz blues gratuites, free jazz sheet music, partituras gratis. Dated from the approval signature on the schematic. It is aimed at achieving the warm, tubedriven tone common in many styles of american blues and blues rock dating back to the 1950s, while remaining both portable and affordable.
After about a half hour of tube tasting some 12ax7s i did end up trying a few different matched el84 to see if any noticeable change occurred but i wasnt ready to give up on the pair of rca el84s that were in the amp when i bought it. The blues junior s lower values equal less bass and mids. Fender blues junior iii schematic rev d the tube store. The blues junior iii has an improved speaker, and adjusted tone circuit for more sparkle. Jan 08, 2015 there used to be a great little website with a database of blues jr settings, but it seems to have gone offline so i uploaded my copy of the pdf file from that site and you can download these blues jr settings any time you want now admittedly i dont like to run my blues jr. Fender blues junior sm service manual download, schematics. They are available for free download to help you with your amplifier repair and modifications.
The bass frequency is low compared to the spectrum. Need new blues junior schematic 103revc telecaster guitar. This simplicity makes this structure perfect to embellish the chords and riffs we play. Help with blues junior troubleshooting telecaster guitar forum. Download file pdf fender pro jr schematic questions. Guitar alliance top 100 blues guitar songs download area. Top 100 blues songs pdf zipped top 100 blues power tab zipped download individual songs. Other common blues progressions include the 8bar, 16bar, and 24bar blues. Great build quality with a wide choice of speakers and cabinet finishcolours. Fender blues junior rev b sch service manual download. Thank you completely much for downloading fender pro jr schematic questions.
Oct 26, 2015 the fender blues junior uses two el84 output tubes which are fixed biased as opposed to cathode biased. This scale is simple to use as it fits over all three chords. The blues junior iii amplifier is considered to be field serviceable to the component level. Compact size, professional tone, and traditional styling make the fender blues junior ideal for rehearsal, backstage warmup, and studio work. If your blues jr was made before 2001 the reverb sounds pretty bad. Lacquered tweed takes fenders 15w gem and gives it the true vintage treatment with a lacquered tweed covering and a vintagevoiced 12 jensen speaker.
Fender blues junior iii service manual pdf download manualslib. Apr 02, 2019 with these blues jr amps, there is a lot of room for creativity as well. Pcb assembly chassis assembly cabinet assembly miscellaneous schematics service diagram fender musical instruments corp. The blues junior iv is a longtime 15watt favorite with warm tube tone ideal for the goanywhere guitarist who needs great sound and versatile features such as spring reverb. The 12bar means that the song or jam is divided into 12 parts or measures. Ampwares guitar and amplifier knowledge base brought to you. The topmiddle section of the schematic represents the tone stack, which is where controls for treble, middle, and bass are placed in the circuit. Often these blues progressions will contain dominant chords such as 7th chords. Manuals are listed alphabetically by model and have been taken from our archives and converted into pdf documents. Im heading back to the farm to retube my dads blues jr iii and i got to wondering about the roles of each of the preamp tubes. However, the difference in sound quality between a tube and solidstate reverb is very noticeable.
The reverb on older blues jr s sounds horrible, this mod changes the reverb to the design of the newer blues jr s. How to transform your basic blues riffs one of the features that makes the blues so fun to play is that the basic structure of a standard blues progression the socalled twelve bar isnt all that complex. Its an all valve amp with the exception of the reverb which is opamp chip driven, using an accutronics v2 or. The voltage values are a little off possibly because of his mods but. This approach is known as horizontal improvisation. Here are partial schematics with the modifications shown. It has the standard blues jr tone stack and the jensen speaker.
The blues junior is a tube guitar amplifier introduced in 1990 by the fender musical instrument. Fender frequently releases limited editions of the blues junior. The blues junior s reverb is solid state and does not sound as lush or warm like a tube reverb or even as nice as a high quality digital reverb. Fender blues junior service manual free download as pdf file. Note s texas blues ramon 4 2 5 10 11 in 3 blues 2 doug 4 5 5 7 6 in 3 roadhouse clean jesper hansen 4 7 5 7 10 out 3 am. Notices specifications theory of operation parts lists. In the oldest blues jr s made before 1996 the tone is dark, the tone. Fender hot rod series blues junior iv 1x12 tube 120v amplifier black used.
Hoffman amplifiers tube amp forum, hoffman fender blues junior conversion. Here is our collection of currentrecent fender guitar amp schematics. Fender blues junior iii service manual pdf download. The blues junior uses smaller value coupling caps than vintage fenders throughout out the amp. Fender blues deville schematic fender blues junior iii schematic rev d fender blues junior schematic fender champion 600 schematic. Figure 1 is an annotated schematic of the fender blues junior. Its golden tones are generated by an alltube signal path using a pair of el84 output tubes and 3 12ax7 preamp tubes. Has the original fender speaker in it and 15 watts is more than enough for me. Unfortunately, original hard copy manuals from this archive are no longer available. The blues scale in the example above fig 30 i have written out an improvisation based on the blues scale. Fender blues junior service manual electrical engineering scribd.
Then you just keep repeating that same 12bar pattern over and over for the length of the song. Only one i can find is for older green board and all component numbers are different. If youve got a blues junior from this period and youve lost the papers this is a nice find. With any configuration of pickups and switches, there are myriad ways. How to play blues rhythm guitar like the blues masters. Mar 04, 2009 i need the current new c revision schematic for my new blues junior. If you have a copy of an old fender guitar amplifier owners manual not shown in this archive, wed love to have a copy to post here. We have 3 preamp tube sockets and 2 power tube sockets available with a transformer that provides 350vdc and a lowvoltage tap perfect for a bias supply. We do need to remember that this blues jr is a legacy amp. It allows the amp to get along better with more pickups but leads to a thin sounding amp. For our shopping cart to function properly, it is necessary that your browser is set to enable cookies. There are several kits and designs out there that utilize these tubes andor add additional tubes for further tonal. If you dont believe me, plug an external 8 ohm cab into the output jack of the blues junior its a whole different amp.
View the fender blues junior manual for free or ask your question to other fender blues junior owners. Compact size, professional tone, and traditional styling make the fender blues junior ideal for rehearsal, backstage warmup, and. Allied electronics sells those caps in single quantities. Why a fender blues junior does not sound like a vintage. Update 2 apr 2021 schems has been up for over twenty years. If you didnt receive one with your kit, then you will find it here.
Any fender authorized service center in need of a warranty replacement pcb assembly for this unit should contact fmic tech support by phone at 866 3453642, or by email sent to. The f blues scale does not need to switch to the bb blues scale when the chord changes to bb7. Blues junior top panel functions blues juniortm introduction the fender blues junior is a truly professional, small, tube amplifier. Free fender diagrams, schematics, service manuals schematics.
V1 makes sense, but on the schematic v2a doesnt appear to be used, v2b goes to the reverb and then v3, making me wonder if v2 is the reverb driver and v3 is the recoverypi. Fender diagrams, schematics and service manuals download for free. Fender guitar amplifier owners manuals archive fender. The table at the left show values for the stock blues jr.
The input jack is at the top left of this schematic, and from. I wanted more mid and highs so i picked the 47nf like the twin. Gun schematics, pdf of gun parts lists numrich gun parts. Schematics shown in blue are missing from the archive.
A pdf would be great, or even a scanned jpeg, gif or tiff that we can convert. Fender amp heaven schematics tweed blackface brownface. Anyone having a copy to post, especially in pdf format, would be greatly appreciated. This mod fixes that to produce that lush classic reverb tone that made fender amps famous. Oct 01, 2010 the stock designed for fender by eminence speaker is pretty crappy. Table of contents blues junior service manual contents. This amp is a copy of a fender blues junior fbj, the cabinet looks a bit different but other than that, its an fbj. Modified preamp circuitry for increased fullness spring reverb smoothness mod celestion 12 atype speaker. Billm blues junior power standby switch installation.
Purportedly, the designers deliberately wanted to make it look and sound like it was from the 50s. As such stuffed pcb assemblies are not readily available for this unit. The fender blues junior is a truly professional, small, tube amplifier. Fender blues junior modifications fromel electronics. Again an amp with solid state reverb is much cheaper to produce. Blues junior settings with ascending volume values description posted by rever b maste r middl e bas s trebl e fa t vol. Contains power supply, cpu, and video board schematics. Download free diagrams, schematics, service manuals, operating manuals and other useful information for a variety of products. Wiring diagrams when the time comes to wire up your beast, youll need a wiring diagram to guide you. If you need a circuit diagram for the t20r, you can get it on the fender website, the circuit is identical and 99% of the component ident numbers on the pcb are the same. It took a bit of searching but i was able to find the exact replacement from illinois capacitor. The amp is sadly let down by very poor attention to.
Schematics unlimited free diagrams, schematics, service. One of the mostbeloved small combo amps in the world, the blues junior iv adds modified preamp circuitry, smoothersounding spring reverb and improved aesthetics that any player is sure to appreciate. The blues junior is a tube guitar amplifier introduced in 1990 by the fender musical instrument corporation. The higher a caps value the more low end and mids pass through the caps. Fender guitar amp vacuum tube amp blues junior iii with instruction man. Billm blues junior power standby switch installation the power standby switch uses a heavy duty carling progressive switch with two circuits and three positions. The blues for free content learn jazz piano online.
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