The vibro champ is a small all tube combo amplifier utilizing 2 12ax7 preamp, 1 6v6 power and a 5y3gt rectifier tube. If you are unable to create one of these document formats and would be willing to send in your hard copy to the address above, wed be happy to scan it and return it to you promptly. Warning if you are not a qualified technician please do not attempt any repair you are not confident with. Champ reverb layout now i await the faceplates and the 2x8 cabinet. Fender guitar amplifier owners manuals archive fender. The new style champ and vibro champ amps featured slanting control panels. Fender ec vibrochamp eric clapton signature 5watt 1x8. Transformer hammond, guitar amplifier, replacement for fender. The vibrochamp evolved out of the longrunning champ series starting in 1964. Please use extreme caution and common sense when building this kit. Aa764 blackface vibro champ diy tube guitar amp kit. Weber tweedifying champ mods by gerald weber in vintage. Super champ xd with a warrantable defect other than failed tubes, should contact the fender customer service support center to arrange for a re placement amplifier.
Typically, it would apply in those cases where trouble. This amp switched from blackface to silverface cosmetics in 1968. This is an all tube amp that is quite small, delivering only 5 watts of power. Im a big fan of the 1950s fender tweed amps and the 5f1 champ is a simple but great sounding tube amp so i decided to design a micro version of the champ. While this article is intended primarily for the homebrew builder, it will also be useful background for the kit builder. Nik is the man helping a guy out when not even working on one of his kits, thats customer service.
Fender guitar and bass amplifier owners manuals and. Vibro champ xd takes the vintage vibro champ into a new era with classic styling, simple controls, a good variety of clean and distorted tones and unmistakable tube feel and performance at a. I just purchased a one owner estate sale 1973 vibro champ all original with the exception of a recent service where it was tuned, and the 3prong power cord upgraded and soldered. My vibro champ on 10 into my 2x12 pine cab with 2 crex speakers. The guitar player in my first band had a mid 60s vibro champ and we thought it was pretty cool, but i was only at the time so what did i know. Build your own clone champlifier kit instructions warning high voltage.
The circuit is based on the late50s 5f1 champ circuit. This amp is part of fenders collaboration with eric clapton. The tube amp library of information click the link above for tube amp info, schematics, board building information. Details about guitar super large collection of guitar manuals amplifier. All of these amps put out about 4 watts and had a single 8 speaker. Projects, mods, transformer diagrams, photos, sound clips. Transformers should always be installed by a professional electronics technician since there are high voltages involved and may result in serious physical harm to yourself, the transformer andor your equipment if installed incorrectly. Diy build or rebuild kit for a blackface aa764 fender vibro champ amplifier. Your little champ will sound better than ever before, and provide years of reliable service. Silverface amps include the deluxe reverb, twin reverb, super reverb, pro, bandmaster reverb, bassman, princeton, princeton reverb, champ, vibro champ, showman and vibrolux reverb.
To open downloaded files you need acrobat reader or similar pdf. The fender vibro champ xd is a modern day amp, modeled after the vintage vibro champs. The main change from the 5e1 circuit in 1956 was the removal of the filter choke. Im sure with that fuzz and proper use of your volume knob youd be all set for quite a number of styles. The first letter designates the year and the second letter designates the month. In this article we cover how to lay out and build the chassis for a vacuum tube guitar amplifier.
I just wanted to share the results of my efforts as, ive noticed a few recent threads on the champvibro champ regarding similar mods. The champ had the lowest power output and the simplest circuit for all of the fender tube amps. Nik also sent me a copy of his spitfire layout so i could compare with my ken watts version i was building. Dont know why its not on the vibro champ clone schematic. I do have another 5y3gt, i will give that a try, and check socket pins. The single power amp tube in class a mode generates around 6 watts rms. Schematics and layout diagrams vintage fender amp repair. Fender vibro champ xd manuals manuals and user guides for fender vibro champ xd. Its small digital signal processing size, low output, and great tube tone including tremolo.
Vibro champ xd amplifier the vibro champ of the 1960s and 70s was an upgraded 5 watts into 4 ohms version of the venerable fender champ amp. Replacement for fender princeton and princeton reverb main filter capacitor on blackface and silverface amps from the 1960s and 1970s. A guy named gagliano has a list of chassis serial numbers and advice on how to date the amp beyond just chassis number. In addition, some files are archived, so you need winzip or winrar to open that files. Sf vibro champ really low volume because of possible mods. Practically every amp and guitar manufacturer has at least one artist signature model in their catalogue these days. Service manuals, schematics, eproms for electrical technicians. Although a signature sound, valid and usable, there are some people that find the tweed. The fender vibro champ 70 is a vintage guitar combo amplifier that ive used in the recording studio. Also some files are djvu so you need djvu viewer to open them. Fender super champ xd dsp digital board bypass instructions please read everything entirely before you start. Slow down the vibrato on your vibro champ if you converted a vc, you may want to slow down the vibrato speed.
Speaker ext speaker 120v operation w 5f2 pts power transformer b l a c k redblack not connected 1 0 k 1 0 0 k 2 2 0 k 2 5 u f k 2 5 v 2. We have 2 fender vibro champ xd manuals available for free pdf. These are invaluable reference tools if you are digging around inside of your vintage fender amplifier. At the rated 6 watts, this amp is a great at the house amp. Another feature i realized i miss from the sc after purchasing its little brother, is the switchable channels and effects onoff. Copy archives fender audio schematic archive how can i find out how old my amplifier is. The fender ec vibro champ is a 5w, handwired tube combo amp with 1x8 weber signature speaker and custom transformers. Here is the final layout a higher resolution drawing can be found.
Twist filament wires together tightly white wire from ot is a screen tap used for ul operation. Fender twin reverbamp aa769 sch service manual download. I used an almost exact copy of the champ s hi preamp channel and paired it with the deluxe micros 12au7 based parallel twin triode singleended power amp. You can scroll through the images above using the image scroll controls. Specification sheet for champ, vibro champ pt290ax specification. Apparently fender made these in large lots and put them in bins and techs just grabbed any one and used them so a chassis could have sat around for a year before getting used as guys didnt often grab them from the corners. It was introduced in 1948 and discontinued in 1982.
Included in the guide are descriptions, pictures, schematics and other fendercentric information. When i do my next cr, for my nephew, i think i may buy some blank component board material and layout the components in a more tidy arrangement. Even when unplugged the capacitors can still contain a substantial charge and must be discharged before attempting any work. We did as well before we got our blackface fender vibro champ in 2005. The speaker is an 8 one, and the amp also has a built in effects. View and download fender vibro king schematic diagram online. I measured every piece and was ten inches short at the end. Also may be used for fender champ, vibro champ and bronco amps from the same era one extra 20uf section unused on these amps. If you have a copy of an old fender guitar amplifier owners manual not shown in this archive. Weber tweedifying champ mods by gerald weber in vintage guitar magazine when fender changed from the tweed series amps to the blackface amps, the tone changed to a more scooped midrange kind of tone. Nov 19, 2010 in this article we cover how to lay out and build the chassis for a vacuum tube guitar amplifier. It knocked the champs minimal yet normal background hum down to nothing.
This is an easy job and i bought the parts from mojo see picture of receipt below. Guitar super large collection of guitar manuals amplifier. If you see an original fender schematic for the 5f1 circuit, it will tell you that the. The kit includes all made in usa transformers, high quality hand made in usa turret board, high quality carbon comp resistors, and sprague orange drop or mallory 150 series. Unfollow fender vibro champ xd to stop getting updates on your ebay feed. An updated version was introduced in 2006 as part of the vintage modified line. The fender champ was a guitar amplifier made by fender. I used an almost exact copy of the champs hi preamp channel and paired it with the deluxe micros 12au7 based parallel twin triode singleended power amp the optional negative feedback switch allows you to disconnect the feedback. We have some more vintage fender amplifier schematics today. To us the best amp in the world was the silvertone dual 12, which we once used for guitar, bass and vocal. Tube amp schematics, tube amp information, tube amp projects.
Weve already featured the fender champ model 5c1 and the 5e1 schematics. To open downloaded files you need acrobat reader or similar pdf reader program. How to layout and build a guitar amplifier chassis. The problem is that the vibrochamp has the weight and size of a 15 watter amp, which misses almost all the benefits of having a 5 watter amp. This article contains a list of most archived copies of fender guitar amplifier owners manuals available. Schematics and layout diagrams here are hundreds of original fender schematics and layout diagrams, available for free viewing and download. Apr 03, 2009 one pdf is full size front and back on two 15. Fender amp heaven schematics tweed blackface brownface. I cut out the old electrolytic can and mounted the multisection cap from mojo with two bolts, nuts and lock washers. We believe that this is the most complete, highest resolutio. They had a vibro champ recap kit but it did not include the 10uf bypass cap so i just bought individual caps from their web site. Fender champvibroaa764 layout service manual download.
Vibro compaction is an established ground improvement method for stabilising granular soils such as loose sands, gravels and some hydraulic fills. The silverface amps are surprisingly similar to the coveted fender blackface line of amps so many blackface mods and tweaks apply to the silverface lineup. Aug 03, 2018 the fender super champ is sadly overlooked when people talk about small 15 watt amps. No other company has produced so many great sounding, well built and reliable amps. Do not attempt to do anything to your amp while it is plugged in other than take voltage readings as necessary. The ec vibrochamp amplifier is designed and built to ecs. Fender vibro champ 1965 blackface price guide reverb. Hoffman amplifiers customer loyalty discount program information. The design includes a tremolo circuit hence the vibro champ appellation powered by. So i thought id just reiterate the directions for doing this mod on the vibrochamp or regular champ. If ordering for an older discontinued amp, please include photos or as much descriptive information on the product as you can. When fender changed from the tweed series amps to the blackface amps, the tone changed to a more scooped midrange. I think it deserves more attention, so here are the five reasons i love the super champ.
I will use the compressed air, as i do have some, i guess it may do the same as freeze it, which i do not have right now. Fender power transformer, champ, princeton, vibrochamp. I am a bit surprised that my mods were successful, as i am not all that adept with a soldering iron. This instruction is designed to modify a fender super champ xd amplifier such that the dsp board will be eliminated from the circuit. The tweed fender champ amp of the late 1950s is a terrific practice. Amplifiers especially tube amps contain high voltages that can kill. Parts list and kit index page for hoffman amplifiers, pick and choose the parts for your amp project. Tube amplifiers contain high voltage that can cause injury and even death. Thanks again to james for his invaluable assistance.
So to put it back closer to the tweed design and give. Dating fender amps 19511967 tube chart on the inside of the amp is stamped with two letters a q. With a few essential tools and proper procedures, youll find that building a vacuum tube guitar. Cbs champ champ 12 champ 25 super champ champ ii champ vibro aa764 ab764 concert 5g12 6g12 6g12a aa763 ab763 concertii 1983 deluxe model 26 woodie deluxe 5a3 5b3 5c3 5d3 5e3 5e3a layout only 6g3 6g3a aa763 ab763 deluxe reverb aa763 ab763 ab868 a1172 a1270 cbs 7779 volboost deluxe reverb ii. Jul 27, 2019 after all, he was the guy who reused his styrofoam cup for coffee. Ceriatone forum is not afiliated with ceriatone amplifications. The technique is primarily used for seismic mitigation and insitu densification of loose sands up to 30m deep. The ceriatone and name, logo and related trademarks and service marks, owned by ceriatone. These pages are dedicated to the greatest amplifiers ever made. Here are hundreds of original fender schematics and layout diagrams, available for free viewing and download. The tube amp library of information click the link above for tube amp info, schematics, board building information, projects, mods, transformer diagrams, photos, sound clips. The crexs are very efficient so you get more volume and you dont get huge break upjust enough so you you have that awesome angus young amp break up. Unlike earlier champ amps, this model included an onboard vibrato feature.
The champ had only one power tube, and the power stage circuit is, typically, singleended and class a. White wire from ot is a screen tap used for ul operation. This is a little labor intensive, but its a very nice mod for the champ. Just finished the build and the 57 mini tweed sounds great. Some would consider this to be the definitive tweed era fender champ. This is also indicated on the physical layout diagram for the bronco by the addition of an orange lead to the mains transformer. Hoffman 5e15f1 tweed champ hoffman 5e15f1 tweed champ pdf layout diagram and schematic hoffman 5e15f1 tweed champ pdf bom hookup notes for hoffman boards hoffman board install instructions hoffman turret boards are located on this page kits and parts list for this build are here go here to ask questions about this board. These amps, fondly referred to as the lunch box, were sold by the thousands to students and professionals alike. A pdf would be great, or even a scanned jpeg, gif or tiff that we can convert. Also may be used for fender champ, vibrochamp and bronco amps from the same era one extra 20uf section unused on these amps. Jun, 2012 dating fender amps 19511967 tube chart on the inside of the amp is stamped with two letters a q. On the board you will find three caps in a vertical row whose values are. Aa764 tube layout seen from behind, v1 is to the right side v2 12ax7 vibrato only on the vibro champ model you might wonder how a 10kg, 6 watt combo amp without reverb. Guitarcapo, i got rid of the new looking cap over the power tube, but there is another one on there that looks like it is on the fender schematic i posted earlier, so i left it on there for now.