The amp lab is proud to offer car amplifier repair as a service to our customers, and we hope this guide will help keep it as a smooth and easy process. The guitar makes noise, and the amplifier cranks up, but theres just no sound. Skip simmons amp repair vintage tube amplifier repair for. When it comes to amplifier repair, am guitar works does not discriminate. Long island guitar amp repair by tufmar, guitar amplifier repair and service specialists. Most guitar cabinets have a protective grill covering the speakers. Guitar amp repair and modification in new hampshire. We offer a wide range of repairs and servicing from guitar restrings to amplifier repairs by our inhouse service department and network of local agents as the range is vast please call your local rockshop store with your requirements. I myself do a bit of electronics repair work in my spare time, but the pay is so low that i would never consider doing it for a living.
If its under warranty, you should send it back to the manufacturer for repair. Introduction the vox ad100vt guitar amp is a 100w guitar combo amp gives you the amazingly realistic tube preamp sound of valvetronix technology. Limited quantities and special reduced prices on a good selection of electronic parts and products. The ad100vt is a very loud amp, but a rear panel power amp. Although ive never repaired amps for a living, i have repaired a lot of amps through the years. If you have a tube amp, this might be a better book for you. How to repair solid state guitar amps our pastimes. Amp technician john wagner has over 25 years experience in amp repairs and has been with pittsburgh guitars since 1997. Oct 12, 2019 associates degree programs in electrical engineering technology can teach students the technical skills involved. Itll store the information about the clients, such as their address, telephone, email. When a commercial amp fails, it may be thought that it was a random event. Manufacturer of custom handbuilt guitar tube amplifiers guitar amp repair, restoration, and modification tonetron amplifiers builds guitar and bass amps based on your requests, whether it be a clone of a vintage amp or a unique design or one of our standard models. The internet is filled with lots of information on amp repair, but it is sometimes difficult to discern those who.
Guitar amplifier repair services in houston, tx bammel tv. For easy, goanywhere amplification, start out with a combo guitar amp. In some short circuit conditions this might lead to lethal accidents. The owner needed it for a gig in two days, and was very anxious. Home amplifier repair how to repair amplifier no sound. Quickly repair a broken pdf document from your web browser, fix a corrupted pdf file online.
Straight forward disassembly made it easy and no service manual is needed. Steves amps guitar and bass valve amplifier repair. Amp repair parts powered by studio sound electronics. Learn how to correct issues with damaged electric guitar bindings and avoid doing things that can lead to problems with loose or cracked bindings. Solid state guitar amp forum diy guitar amplifiers index. Parts is parts, established in 1982, is the worlds leading supplier of amplifier and guitar parts, and your official vox and korg parts center. Overall, the book has some great guitar maintenance and diagrams to give you some basic starting points. Tonetron amplifiers tonetron ampshand built guitar tube. By jestine yong on november 12, 2016 a customer of mine brought to me the tac integrated stereo power amplifier with the model of av355 for repair. Just upload the corrupted pdf file and wait until it has been repaired by our web service. Blackbird guitars repairs and custom mods on acoustic, electric and bass guitars and amplifiers. There are also chapters on how to solder, bias an amp, how to use a multimeter, how to read schematics, the tools you need.
San marcos guitar and amplifier repair services whodoyou. Arts audio holds a unique position in the market due to his reputation for fixing amps right the first time, understanding vacuum tube technology and providing personalized services to his clients. Amplifier repair and custom new york by blackie pagano, new york, new york. Service is available on all makes and models of amplifiers, tube or solid state. There is a lot of tips for some visual repairs, too. Amplifier repair how do car amps work part 1 youtube. Circuit simulation a deep dive into spice tube amp modeling.
Guitar amplifiers usually consist of four sections, hence a systematic diagnosis of the same will help us fix it. Ideally id like to learn enough to be able to do amp repairs since you never see an amp repair shop around here that isnt swamped. Repair shop software is a very useful, efficiency inducing program for all repair related services of any kind. Basic theory a 21stcentury approach to understanding preamp, power amp, and power supply design. Download toyota corolla service and repair manual link to download toyota corolla service and repair. Guitar amp repair pro audio service accutech audio ct. Amp service and modifications we specialize in the repair and tone resurrection of vintage and modern tubetype guitar amps, bass amps, pa amps, analog mixing consoles, echoplex, space echo, and tube hifi amps. There is a reason this book comes highly recommended and seems to be on everyones bench. In my experience, the work is done ontime and cost is consistent with the estimate. How to service your own tube amp does exactly what is says it will do.
After the virus business my luthier partner and i will be starting sales of selected vintage amps and guitars, to include amps and guitars restored by us and sold on commission. As you might guess, it had failed suddenly on him about two months earlier and only got to us when the gig was two days away. Customers tend to keep these cards as a record of the repair for yearsbetter than a business card. Most guitarists are fairly fanatical about the tube amp. Under the bridge of the guitar there often is a grounding cable, which makes you part of the electric circuit when touching the strings. Parts is parts is the authorized national parts distributor for korg parts. Guitar amplifier repair and design is often a selftaught skill. These amps and speakers are the powerhouses of your audio setup, turning your guitar s output from a simple electric current into those familiar sounds. Mar 03, 2009 i find myself getting more and more fascinated by the inner workings of amps and electronics, and now im interested in learning about amp design and repair. Most programs offer a great deal of handson training.
While we will take in many different brands and models of amplifiers, we are not currently taking in any brazilian built amplifiers, lanzar opti series amplifier, and some other select. Early guitar amps used vacuum tubes to amplify the sound, but when the transistor was invented, amplifier manufacturers found a more reliable and cheaper technology. Eric holder reed tube guitar amp repair tech knoxville, knoxville, tn. I get a lot of questions emailed to me from amp repair novices. Instrument repairs, maintenance and modifications guitar. Solid state amplifiers are considered to be more reliable than their tube counterparts, but problems can occur in solid state amps. Designed specifically to be used on mac os x, repair shops such as vehicle repairing, shoe or cloth services dry cleaners, shoemaker, etc and equipment repairs can all be managed effectively. Amplifier repair and custom new york by blackie pagano home. Armand is quick, honest, and clearly knows his stuff.
To elaborate, pdf files with wellformed paragraphs have no issues. Vintage tube amplifier repair for musicians nationwide. Our repair tech called me when the obvious fixes had no effect at all. Being a degreed pro electronic tech, imo, to understand amp repair you need to get a grasp of basic electronics, the math behind it, and own and understand the basic test equipment needed for the job at hand dvm, oscilloscope, signal generator, bias meter, etc. There is something about the glow of hot glass and the imposing sight of weighty iron through the grille that seems to sum up so much of whats cool about the electric guitar. Amphead maintains an extensive stock of the best quality guitar and amp parts. There must be a complicated and expensive problem with your amp or with your instrument. Jack darr tube amp book for free the steel guitar forum. A guide to basic tube amp maintenance guitar world. Nine times out of ten there probably isnt a complicated and expensive problem with your amp or with your instrument.
He is not only a oneman service center for a multitude of guitar amplifier manufacturers, but a working musician as well. We also repair many solid state and hybrid guitar and bass amps. I cant show the whole schematic, since i was given it by a company i have a relationship with, but ive drawn the part of the amp im concerned about. We specialize in the repair and tone resurrection of vintage and modern tubetype guitar amps, bass amps, pa amps, analog mixing consoles, tape echo, and tube stereo hifi amps.
Here is an inexpensive guitar amplifier that came to me for a rattling on the inside and no power issue. Eric holder reed tube guitar amp repair tech knoxville home. Located inside every guitar center store, our staff of experienced, certified technicians will keep your guitar or other stringed instrument in peak playing condition and help you get the most out of your investment. Sporadic oscillation in an amp can also create a buzz or hum in some cases follow the guidelines above to ensure that the amp is stable under all conditions low level oscillation can usually only be detected with an oscilloscope, but you may be able to detect it using an rf detector probe see the projects page for a suitable example. Conversation about building, modifying and fixing or repairing diy and storebought discrete and chipamp guitar amplifiers. Want to learn everything you need to know about the basic fundamentals and basic electronic principles going on in a vacuum tube guitar amp. Here is a tutorial on the complete repair of a les paul example. You can take a rubbish guitar, plug it into a great amp and get a great sound, but t.
You need sound to come out of your amp, but all you hear is silence. Sep 02, 20 roy blakenship, a legend in guitar amplifier repair, design and manufacturing, takes us through the steps of repairing different kinds of antique, classic and contemporary tube amplifiers. I have read mine over and over, gotten more troubleshooting technique from it than i picked up in the first 5 years of vintage amp service i was doing. If you decide to repair the amplifier and you make mistakes, it could cost more than having the amp repaired by a repair shop. All repair steps had been documented very well and clear so you can easy to follow. This guide will show you how to fix your own guitar cable plug, and get you back to rockin out. Repair corrupted pdf online, free pdf repair tool videoutils.
Design and construction of tube guitar amplifiers by robert c. Guitar amplifier troubleshooting, repair, and service manuals. Aug 22, 2017 so this is what ive been busy with for the last year or so. Oct, 2008 one of our amps came in for warranty repair. Welcome to precision guitar works we are a small locally owned and operated repair shop and custom instrument builder in indialantic, fl serving the melbourne area and space coast musical community. A great book on tube amp repair and it is a free pdf download.
Repair shop calendar is a calendar for repair shops, dealing with cars, bikes, bicycles, home equipment, cloths and shoes. This video shows how to rejuvenate your old emission loss tubes in easy way. This vid shows you a rack i used for touring around 2005, i dont use any kinda rack stuff anymore really at all, i still have the g system somewhere and the mesa recp. Catalog parts is parts guitar parts, amplifier parts. Andrews amp lab expert guitar amp repair, fine hand. Guitar amplifier repair training and education program information. Amplifier restoration and repair parts is parts guitar. Im trying to compile a list of essential tools i would need. Click to the right for our special clearance items. Click the new items icon to the left to see all of the new products recently added to our inventory.
Getting into amp repair repairing vintage amplifiers has always been a hobby and an interest of mine, and its something id like to make a career out of. Guitar amplifier repairs amp repair pro audio service ltd. I figured i can take a look at it and see what needs to be done. I will repair guitar and bass amplifiers, valve hifi equipment, and all marshall equipment. Trouble shooting consist of visual as well as some component testing. Baltimores best tube amplifier repair shop established 2008 we are now appointmentonly so call or email to schedule pickups and dropoffs. By the end of the book you could know what electricity is, does and how it interacts with the electric components and circuits found in a typical tube amplifier. The internet is filled with lots of information on amp repair, but it is sometimes difficult to discern those who know from those who think they know. Repair and disassembly guides for guitar amplifiers. Repair, restoration, upgrade, maintenance and modification of tube amplifiers. Offering a state of the art, temperature and humidity controlled environment, as well as a full staff of highly skilled and experienced luthiers, gibson is fully equipped to perform any and all.
Learn to fix your own instrument without having to go to a guitar repair school. The guitar diagrams vary from fender to gibson and others. I have taken my time and learnt amplifier repair, and i actually find this pretty fun and rewarding, as a problem solver. Examine their cones and voice coils to see what exactly is damaged.
Guitar center repairs is your goto spot for expert stringed instrument repairs, upgrades and servicing. Solid state amplifiers are typically cheaper to repair than tube amplifiers. Vintage fender amp repair modifications, repairs and. Download ebook repair user manual repair user manual how to get exact instructions to perform any repair on any. Its perfect for repair technicians to plan their working hours so that the orders do not overlap, keep track of scheduled appointments and what service bay technicians will be using. Im thinking that whatever blew up the caps in the first post must have damaged the jfet as well. We collect this nonrefundable deposit when you drop off your amplifier.
Pittsburgh guitars offers a complete musical instrument amplifier repair service for most major brands. It has some good electronic diagrams in the back so you can get an idea about electrical schematics. Guitar amp repair repairs to your guitar amp for all types of amplifier from combos to heads, electronic servicing is provided to valve tube amps and transistor solid state alike from popular manufacturers and brands such as fender, marshall amplification, blackstar,mesa boogie and orange to more obscure brands. Expert repair and restoration of vintage tube guitar amps, harp amps, and studio equipment at skip simmons amp repair. We repair most any vintage musical instrument amplifier, including fender, marshall, ampeg, carr, mesa boogie, peavey, music man and much more.
Tells you a lot as you bring up the ac, like if you have a short in the pt or a main cap, depending on how much current you draw at ac. How to repair amplifier no sound electronics repair and. Remove the 4 phillips head screws from the back panel. We are an authorized warranty repair center for fender and vox. Some of the guitar wirings diagrams are a bit confusing as they are in black and white. Guitar amplifier repair training and education program. Free pdf repair tool lets you repair and fix a corrupted pdf file that cant be opened with adobe pdf reader or other pdf readers. Solid state guitar amps use transistor technology rather than tube technology to amplify the signal of the guitar.
Guitar amp repair and modification guitar bass and. Usually the first thing i do was to connect a speaker at the. Repairing guitars becomes easier as you become more skilled at diagnosing the problem and replacing parts properly. You may already know that you can build a functional circuit on a sheet of paper with the graphite from a pencil, but youd probably never think of using it to fix an electronic device. My 20 lesson correspondence course is the fast track to learning vacuum tube guitar amp basics. How to fix a blown guitar amplifier speaker our pastimes. Given the diy nature of this issue, we thought it would be appropriate to address. Weve been repairing pro audio gear for many years and have extensive technical experience in these areas. We have a few other guys who do repair work at some music stores, but theyre not full time. Andrews amp lab expert guitar amp repair, fine hand wired.
Repair a slight puncture or tear in a cone with a bit of tape or some light glue. Volume 1 114 pages download full text with index, 4. The science of electric guitars and guitar electronics. For giving one of the worlds favorite instruments its voice, guitar amplifiers deserve a little love too. This same principle can be used to bring back a bricked phone, but can also repair a damaged. There is a chapter on voltage charts of common amplifiers. On the amp which is working, the gate sits at 0v, but on the amp which doesnt work it is at 0. The guitar repair guide get answers and advice here. Find kits and modifications for your vintage fender. However, after the amp has been repaired several times with the same problem typically a failed power amp, you could be excused for thinking that something must be wrong. Best way to repair these amps is dont buy one in the first place. If the amplifier is under warranty and you break the warranty seals, the amp will not be covered by the manufacturer.