Changing only the first tube in your amps gain stage can affect how the rest of the circuit responds to your guitar. You need to have signal going from the driver tube, to the pan, to the recovery tube, and no footswitch bypass, to get reverb. This all changed when paul and sergio learned of this project and created one specifically for this task. Fender 68 custom vibrolux reverb 2014 my les paul forum.
Deluxe reverb reissue problems and how to fix them. As a matter of fact, the very first tube is the input 12ax7 for the normal channel, so you can pull that one and use it as the tube to start the replacement oneatatime testing process. The fender deluxe reverb is a guitar amplifier made by the fender electric instrument. Mercury magnetics rebuilding a fender deluxe reverb tube. Manuals are listed alphabetically by model and have been taken from our archives and converted into pdf documents. Fender 68 custom deluxe reverb common problems and fixesupgrades this post is what i wish i could have found prior to my purchase. Fender 65 deluxe reverb reissue 22watt 1x12 reverb. Fender drri someone gutted this reissue amp and built a handwired 6l6 deluxe reverb circuit inside the chassis.
Redblue wire from pt is a 50v bias tap, this wire is not connected in this amplifier. From the research i have done online, this seems to be one of the better things you can do for the amp outside of new tubes. The guitarist in one of sydneys best loved and longest surviving blues bands has been playing through a twin reverb for decades, but decided to downsize to a lighter amp for the. Click the image to view the full size layout diagram. The signal flow in red starts at input jack 1 at the far left. V1 fender 12ax7 v2 mullard 12ax7a 1022501 v3 fender 12ax7 v4 fender 12ax7 v5 fender 12ax7 v6 sylvania 12ax7 i have another mullard 12ax7a 1022501 and tried it in the v6 and v4 slot.
Fender literally wrote the book on electric basses, laying the foundation for musical innovation and evolution. My name is wayne and this website is about my experience rebuilding a fender deluxe reverb tube amplifier. Fender deluxe bias video this video is of a fender deluxe reissue and we are setting a pair of the jj 6v6s at about 25ma using a bias probe. I also have fenders customer service email, which is hard to find, but only use it if you genuinely have some sort of real problem or a serious question. At this point, i would not encourage anyone to download or use 2. In this amp vs modeling shootout, we compare several popular software amp sim products against a real fender deluxe reverb tube amp.
The 1 meg resistor is the grid resistor for that reverb driver tube which could. This tube should be replaced if variances between the sides exceed 10%. The build part 4 rebuilding a fender deluxe reverb tube. Fender deluxe reverb 65 reissue purist mod voodoo amps home. Fender 65 deluxe reverb reissue tube upgrade the gear page. Featuring dual normal and vibrato channels, the power of two 12ax7 and two 12at7 tubes, and 22w of power, the 65 reissue deluxe reverb is a formidable tool built for the working musician. Aa763ab763 tube layout seen from behind, v1 is to the right side v4 12ax7 12 reverb recovery and 12 gain stage for vibrato channel. Notice how convoluted the signal path is shown with orange arrows on this layout diagram.
I purchased my first tube amp, a lightly used fender 65 drri, and plan on making a few upgrades. By 1954, though, the 15 speaker had given way to four 10 jensens, and fender were utilising dual tube rectifiers and fixed as opposed to cathode bias for a punchier, higherwattage performance. I know he has made suggestions on other fender models. The fat, snappy guitar tones heard on many of our favorite recordings, from.
Designing the printed circuit board was probably the most expensive aspect of the engineering of an amp and i cant imagine that fender would start anew with such a minor circuit change as would be present between the beloved drri and the 68 cdr. Fender 65 deluxe reverb reissue modifications fromel. Click here to download the diylc file so you can modify this layout diagram yourself. Considered a good replacement in a deluxe for a browner sound. The tremolo driver cathode resistor increases from 56k to 100k. Drri stands for deluxe reverb reissue fender suggest new definition this definition appears somewhat frequently and is found in the following acronym finder categories. Apr 23, 2012 ny demo pa min relativt nyinnkjopte fender deluxe reverb combo. The green lines show the extremes seen by the tube at the signal minimum and maximums.
Support for fender instruments, amplifiers, audio, and accessories. With each sporting twoband eqs and additional controls for reverb, speed, and intensity on the tremolo, the dualchannel design allows easy toggling between. The phone number for fender s consumer relations dept. Modified from the original design, this modern iteration offers luscious, tube driven spring reverb and rich, pulsating tremolo effects on both channels. Marshall dsl40cst 4020watt 1x12 tube combo with free. Home rebuilding a fender deluxe reverb tube amplifier. Fender 65 princeton reverb reissue as with fenders wonderful deluxe, the princeton was one of the very first amps leo made under his own name dating all the way back to 1946 and one of the few model names to remain in more or less continuous production, seeing out fenders less wellknown ivy league amps, the yale and harvard. December 20 learn how and when to remove this template message. I recently started playing guitar again after a 45 year break. Fender amp preamp tube layout and recommendations kca. The phone number for fenders consumer relations dept. Now that the components and hookup wires are installed on the main board, it is placed inside the chassis. The twin reverb output transformer is designed to work most efficiently with the following impedancesloads and tube power configurations.
The 65 deluxe reverbs thick guitar tones have been used extensively in many famous recordings, from memphis to abbey road. In this weeks blog, we discuss a major upgrade project recently completed for the fender 65 deluxe reverb reissue, which we will refer to as the drri. Whether you need to speak to consumer relations or simply want to drop us a line, this is your source. You can also follow fender on facebook, twitter, instagram, or youtube. Orange amps tube layout guide page 2 orange amps forum. It is here now to help others who are considering this amp or may have already purchased it and have questions. Our fender tube replacement sets use premium tungsol 12ax712at7 tubes and the black plate tungsol 6l6gcstr.
The goal with this kit was to make the 65 deluxe reverb reissue sound as close as possible to an actua. Fender guitar amplifier owners manuals archive this article contains a list of most archived copies of fender guitar amplifier owners manuals available. Fender guitar amplifier owners manuals archive fender. Fender 65 deluxe reverb reissue drri mods how to ab763. He has the preamp tube layout with great suggestions as. Deluxe reverb, vibrolux reverb, super reverb, twin reverb.
Fender 68 custom deluxe reverb common problems and fixes. For rock, country or blues players that want a moderately powered amp they can crank up on the gig or in the studio. Drri chassis with the main board installed heres a closeup of part of the chassis interior with some features of the amp highlighte drri chassis with the main board installed. How to improve your amps tone with preamp tube reverb news. The original bassman from 1952 had a single 15 speaker and was tuberectified, yielding 26 watts from a pair of 5881 power tubes. For more info see my how the ab763 deluxe reverb works webpage, ab763 modifications and ab763 model differences. Vacuum rectifiers are the hardestworking tubes in the amp and are given to failure without warning. For strictly home use you might also look at the princeton reverb reissue. Better 12at7s notably, the mullard cv4024, mullard ecc81 or rca 12at7 s will also improve the tone of. Unleash the tone of your fender 65 deluxe reverb reissue with the modifications from fromel electronics. Fender 65 princeton reverb 15watt 1 x 10 tube combo amp features.
Ab763 blackface amp model differences rob robinette. The 68 cdrs pcb circuit board is very similar to the 65 drri s layout above in the previous section. How to mod a fender 65 deluxe reverb drri for better reverb control. Note how the lower phase inverter triodes signal is tapped from the upper triodes output. Hello, i have tried today one of the regular mod seen on the web for the drri. Replace the 12at7 reverb driver with 12au7 better reverb control. It pushed 25 watts through a single 12 inch speaker. Because of the high demands placed on this tube by the fender reverb driver design, its important to get a good quality 12at7 for this slot. Casting aside the printed circuit board and stock transformers, mikeymann amplification breathed new life into this amp with thoughtful. Swap it for the v2 tube, which is the input tube for the vibrato channel. I must admit i quite liked the result as the amp kinda screamed right after that. Vintage reissue series tube amp 15 watts into 8 ohms 1 x 10 jensen special design c10r speaker singlechannel 2 inputs volume, treble, bass, reverb, speed, and intensity controls reverb and vibrato effects 3 x 12ax7s, 1 x 12at7, 2 x 6v6s, and 1 x 5ar4 rectifier tube.
The tubes are thoroughly screened, and power tubes are matched closely to extract the most classic fender sound out of your amp. Find out how to get your instrument serviced or repaired at an authorized service center in the us or canada. Aa763ab763 tube layout seen from behind, v1 is to the right side. Some 12at7s that will work just fine as phase inverters v6 will crackle and hiss in this position. Fender 65 deluxe reverb guitar amp the vintage reissue of the 22watt fender 65 deluxe reverb is a fantastic amp for rock, country, and blues musicians looking for a reasonably powered amp to crank up in studio or on stage.
Pull and replace the reverb drive tube and the reverb recovery tube. In a drri, thats the small 12ax7 preamp tube that is closest to the input jack. Fender 64 custom deluxe reverb amplifier fender amps. Rectifier tube recommendations for a drri telecaster. Before you call, realize that fender does most of its customer service through authorized repair centers.
You can see the bias trim access hole in the video and it looks just like a 14 input jack down behind the chock transformer. Redblue wire from pt is a 50v bias tap, this wire is. The biggest complaint about the reissue is that it sounds thin and harsh compared to a vintage deluxe reverb. I also have fender s customer service email, which is hard to find, but only use it if you genuinely have some sort of real problem or a serious question. And dont miss fender play, our complete app for learning to play acoustic and electric guitar, bass and ukulele. I run 12au7s in the reverb driver, those are like lower gain 12at7. The component numbers match the layout below so you can compare the layout and schematic. The amp was filled with cold solder joints and missingincorrect connections. Rebuilding a fender deluxe reverb tube amplifier includes some very useful modification ideas as well as how to convert the. Reverb driver, first gain stage for channel 2, first gain stage for channel 1. These should be checked yearly and replaced regardless of test results every five years, somewhat less often if the tube is a vintage nos type. Fender amp preamp tube layout and recommendations kca nos. The red lines are the actual operating points seen by the tube.