For over 30 years, groove tubes have been trusted and demanded by touring professionals and their techs around the world. Guitar amplifier news newspapers books scholar jstor june 20 learn how and when to remove this template message. Obviously, this can only work if you already have numbered tubes in your amp. They are available to offer you personalized product advice any time you need it. If you arent sure about which valve you need, or what tubes you can substitute, let us help you. Then we will study the nature of the guitar input signal, and apply this signal to the. If you feel that your tone would benefit immensely from these tubes in your favorite amp, dont attempt to just pop them. Groove tubes guitar electronics w aspen pittman and steve.
These tubes may have a very strong appeal to players wanting more clean headroom in marshall style amplifiers and may be sonically. Get a low price and free shipping on thousands of items. Sep 01, 2003 already known as the bible of tubes and tube amps ethe tube amp booke is now even better. After its hit single, the band soon embarked on a 50state national tour. Books, tutorials, and technology for guitar amplifier circuit design. The california blonde acoustic guitar amp, one of the most popular such amps on the market among professionals, made its debut. Get the guaranteed best price on power tubes like the groove tubes gold series gtel84s matched power tubes at musicians friend. In electronics, a vacuum tube, electron tube in north america, tube, or thermionic valve or valve in british english is a device controlling electric current through a vacuum in a sealed container. We specialize in thoroughly tested and screened quality vacuum tubes for guitar and hifi amps.
The groove tubes gt12at7 preamp tube is manufactured to the highest quality jan spec. Sep 15, 2016 while they dont shape your tone as directly as preamp tubes, different matched sets of power amp tubes can further shape the sound of your amp and provide different levels of touch responsiveness to your playing. Fender amps with reverb use 2 12at7s one for the reverb drive stage, and one as a phase inverter to drive the pushpull output stage. Low to medium power valve amplifiers for frequencies below the microwaves were largely replaced by solid state amplifiers in the 1960s and 1970s. Vintage usa national guitar amp from 1947, one owner. Groove tubes soulo amps discussion in amps and cabs. Eurotubes vacuum tubes by jj electronic ecc83, 12ax7, 6l6. The power amps are interesting because they let you experiment with lots of different tubes. This is without a doubt the classiestlooking book on amplifiers i have ever seen.
Get the guaranteed best prices on groove tubes amplifier parts at musicians friend. Get the guaranteed lowest prices on groove tubes power tubes instruments at musicians friend. I guess we have to rewrite all the strat history books posted by lwilliams in guitars in. Armed with their newly gained knowledge vets began building their own music. Tubesforamps is your source for replacement vacuum tubes. Whether you are replacing the tubes in your guitarbass amp.
Following is a list of must have books for the serious tube amplifier designer. Some of the common groove tubes part numbers are listed below with a cross reference to the original brand and part number to help you figure out what your groove tubes are. National guitar tube amp vintage usa from 1947 reverb. Need advice on replacing tubes in 68 bassman the gear page. I used to use a trio preamp and a dual 75 power amp in a rack setup. If your a gt fanboy, then this book is really for you. Tube amp capacitors or guitar amp capacitors, our selection currently covers the most commonly used types in vacuum tube amplifier applications. He is the author of the guitar amp handbook, the british amp invasion, guitar effects pedals, the fender telecaster, the gibson les paul, and a dozen other books, in addition to being a regular contributor to several prominent guitar magazines. I could be wrong here but it is my belief that the vintage amp circuits were tweaked around the tubes that were available those days and why i use nos tubes in my fenders where as modern amps are designed with currently available tubes in mind and probably why they sound best with tubes that came stock for the most part,im sure a swap of 12ax7. We maintain an extensive list of amplfiers and their required components browse to your amp manufacturer below and select your amplifier to see a listing of the components which you can replace. The seeds of specialty and highend audio began at the end of world war two and gained momentum with the end of the korean war. The tube amp book aspen pitman distributed by groove.
Today, it is by far the most common preamp tube used for electric guitar amplification and there is an almost overwhelming supply of current production options to choose from. Its a great time to upgrade your home music studio gear with the largest selection at. I guess we have to rewrite all the strat history books posted by lwilliams in guitars in general. Dec 16, 2008 dave hunter is a writer and musician who has worked in both the u. Its rugged and can take the very high current that the vox and similar cathode biased amp subject them to. Sep 12, 20 the truth is, companies like ruby tubes and groove tubes are essentially tube dealers, testers, and rebrandersnot manufacturers. Our products satisfy the professional and nonprofessional alike. If you are looking to upgrade the tubes in your amp, 12ax7 in v1 where you want to start. The simplest vacuum tube, the diode, contains only two elements. Dave also fronts the band a different engine, and lives in. Sweetwater s sales engineers are regarded as the most experienced and knowledgeable professionals in the music industry, with extensive music backgrounds and intense training on the latest products and technologies. Very well done, with lots of color photos and items of historical significance. B707 how to service your own tube amp, a complete guide. Once you have your amp biased to a perfect pair set of tubes, you only need to order a number thats close to it and you wont need to rebias your amp.
The tube amp book deluxe revised edition book and disk package hardcover aspen pittman. Backbeat books the tube amp book deluxe revised edition. Information you might have wanted regarding those cool groove tube electronics from mr. Dougs tubes vacuum tubes for guitar amps and hifi audio. Dave hunter is a writer and musician who has worked in both the u. If your amp currently has groove tubes in it and you have questions about replacing them, or about biasing your amp with non groove tubes, ask us. The workingmans 15 combo amp, with more than 20,000 units sold, became the most successful product in swr history. Already known as the bible of tubes and tube amps ethe tube amp booke is now even better. Supplier of vacuum tubes for guitar, audio, and recording applications. How does the perfect pair system compare to the classification systems used by groove tubes and fender. Fender literally wrote the book on electric basses, laying the foundation for musical innovation and evolution. Circuit simulation a deep dive into spice tube amp modeling. This deluxe revised edition contains 40% new material with a comprehensive az section covering all the great tube amp manufacturers with histories photos and information.
The fender deluxe reverb is a guitar amplifier made by the fender electric instrument company and its successors. The effects loop has an atypical setup so i guess its a loveit or hateit thing. Some of them are long out of print, and can only be obtained from used book sellers, although they are occasionally seen for sale on the internet. However, its true, this book is truly a commercial for grovetubes. In other words, they buy large quantities of tubes produced by companies such as shuguang in china or jj electronic in slovakia, and they test and rebrand them. We 100% test each vacuum tube before shipment to assure you the best quality possible. The part number is the sku shown for the product, the item id is a 6digit numeric unique to each item. Many veterans took advantage of training programs during their time in the service and subsequently through the gi bill, to learn electronics. It was first introduced in 1963 by incorporating an onboard spring reverb tank to the newly redesigned fender deluxe amplifier. Already known as the bible of tubes and tube amps, the tube amp book is now even better. Vacuum tubes for amps pre and power tubes tubes for amps. The first computers were vacuum tube based and took up rooms while vacuum tubes are considered outdated by.
Rca and sylvania first introduced the 12ax7 to the world in the late 1940s. The amp that started it all, the fender bassman was loaded with a duet of of 5881s. Because of the high gain, 12ax7 in v1 has a lot of effect on sonics. Each selection below will lead you to the brands and models you love for all of your equipment. Aug 21, 2017 the amp also came with reverb and vibrato. Looking at the fender 400 ps in the context of its time, its clear to see that the amp was intended to be used by professional musicians who needed the power provided by the amplifier. The number one source of guitar and amplifier pricing and information so you can find the price and value of your used guitars and amplifier. Reviews for the deluxe and revised edition mention that the image quality on schematics is poor. Groove tubes gold series gt12ax7r preamp tube musician. Use this site for a pricing guide and source of information on all guitars. In early 1963, the kingsmen, a band based in portland, oregon, became known for their hit version of the song louie, louie. The late 90s also saw the birth of a new class of swr amplifier the bass 750. It is still in use in audio applications, especially electric guitar. Groove tubes gold series gt12at7 preamp tube musicians.
There are a lot of books on the topic and naturally we cannot go over all of them all. Groove tubes started in southern california, and through innovative design, rigorous selection and testing, gtpowered amps have rocked the world in some of the most famous rigs ever played from studio to stage. If you would like to use this speed shop as your primary means of entering products, you may want to use our speed shop cart page. Good reference book for explaining tubes, and how tube amps work, plus it covers lots of tubes amps that are available. We have been in business since 2003 and served tens of thousands of musicians and audiophile customers all around the world. Groove tubes guitar amplifiers for sale in stock ebay.
I agree with good tonethe scream is probably a little bit too much for most uses these days. Great for most fender amplifiers, especially lower gain fendertype amps. Get the guaranteed lowest prices on new tubes for instrument amps instruments at musicians friend. Very hard to find used by jerry garcia late in his care. Indeed, we use these same books here at fender when researching historical and daterelated issues. About half the book is an alphabetical run down of the largest and most important amp makers in the history of guitar amps. Due to better availability in the usa albeit under various pseudonyms, for example 5881 many american amp builders used this tube for their amps. Use this form to quickly add products to your cart by part number or item id. The deluxe reverb is a 22watt tube amplifier at 8 ohms, powered. A bibliography of must have tube electronics books. Tubes were the first widespread method of controlling electrical signals without moving parts. A bibliography of must have tube electronics books aiken amps. This newer tube from russia has slightly brighter and lower gain, quicker compression than the gt 12ax7.
Diy audio books and manuals speakers, vacuum tubes, electronics. Groove tubes gold series gtel84s matched power tubes. Below is a short list of some of the books we have and can recommend as good resource on the subject. Basic theory a 21stcentury approach to understanding preamp, power amp, and power supply design. Due to the higher vacuum of a 6ca7 over a soft vacuum el34, these tubes should have a much longer life in guitar amp usage than an el34. Nearly every modern tube amp company produces a small amp, and groove tubes el84s are a perfect upgrade for any stock tube in these amps. The tube amp book deluxe revised edition book and disk package hardcover. Need advice on replacing tubes in 68 bassman discussion in amps cabs tech corner. Weber speakers homepage loudspeakers, components, and equipment for the vintage musical instrument enthusiast. Sunn amplifiers was a brand of musical instrument amplifiers. But, when looking at the amp through the 2020 lens of hindsight, its not hard to see why it didnt catch on. Interesting there isnt a whole lotta gt love on this forum. The groove tubes gold series gt12ax7r preamp tube is an olderstyle russiantype vacuum tube with strong tone and a slightly edgy tone.
This is a history of mcintosh models and years produced compliments of mcintosh labs. Replace both of them, or, if they were rated such as groove tubes where a small number is written on the tube you can replace them with similar values. Exhibits many of the same characteristics as the el34, but with a power output of roughly 58 watts. Funzioni del pannello funciones del panel especificaciones bedienleiste front panel functions rear panel functions specifications. We deal in jj electronic tubes, nos tubes, capacitors, speakers and bias probes.
A valve amplifier or tube amplifier is a type of electronic amplifier that uses vacuum tubes to increase the amplitude or power of a signal. In life tests so far, at least a 40% increase could be easily expected. The 6l6 was an americandesigned tube to circumvent the patent philips held for their pentode design. Kendrick has been making superior quality products since 1989. This book is a world history book as well as a vox history book.
Books, calculators, and tutorials for guitar amplifier circuit design. Kendrick amplifiers, tube amps, guitars, books, dvds, and tube. Oct 28, 2005 the guitar amp handbook will guide guitarists in selecting the best amplifier for their style of music, help them setup that amp to sound its best, maintain and even modify it, and ultimately to craft the most responsive instrument possible from this other half of the sound chain. Most groove tubes amplifier parts are eligible for free shipping. Tube amps use multiple tubes, and the first position is referred to as v1. Aspen pittman has produced various versions of the tube amp book over the years this is the 1991, a 703 page trade paperback weighting in at a little over two pounds. We get a lot of people asking us for diy audio and loudspeaker book recommendations to get them started in the hobby. It takes some tweaking and can be confusing, but once i figured it out i loved it. This deluxe revised edition contains 40% new material, with a comprehensive az section covering all the great tube amp manufacturers, with histories, photos and information. We are all things tubes, guitar amps, bass amps and hifi amps. Tubes valves at one point, before the in invention of the transistor, practically all electronic devices were tube based. Original groove tube trio preamp in very good condition has a few case scratches on it, but thats about it. Find the current blue book value and worth of your new and used guitars, both acoustic, electric and amplifier.
Has been recently serviced by a local boutique amp builder, and everything checked out fine. The most comprehensive history of the thermionic vacuum tube. A guitar amplifier or amp is an electronic device or system that strengthens the weak electrical. Nos tubes in modern amps vs vintage amps the gear page. With that being said, at least you know what to expect. Power amp tubes in most guitar amplifiers today are typically not of the triode type of tube like the preamp tubes. More electron tubes can be found in the tube store collection of new old stock nos if you are looking for a tube shop carrying the very best tubes for your amplifier, youve come to the right place. We carry premium hand selected vacuum tubes for guitar and hifi amps. Everything you ever wanted to know about preamp tubes. Pittman and what he gave us with this book and with the excellent groove tubes line of tubes.
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