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. The hard copy pages are only a sampling of all the schematics found on the cd. Product title groove tubes gold series gt6l6ge matched power tub. Rca and sylvania first introduced the 12ax7 to the world in the late 1940s. Buying from reputable dealers that match and test their tubes is imperative, however, because inconsistencies from batch to batch occur frequently. Following is a list of must have books for the serious tube amplifier designer. This is a somewhat hardtofind first edition of aspen pittmans selfpublished the tube amp book, long outofprint. Many new tubes sound just fine, and some of them are actually very good. Nov 17, 2014 groovebook, a photoprinting app and subscription service that creates personalized photo books featuring up to 100 of your photos, shipped monthly, has been acquired by photo printing giant. Represented are ampegs, dumble, fender, groove tubes, gibson, gretsch, hifi, marshall, mesa boogie, peavey. Already known as the bible of tubes and tube amps, the tube amp book is now even. It has tube manual type specs for the most common guitar amp tubes as well as some modifications for certain amps.
I used to use a trio preamp and a dual 75 power amp in a rack setup. My local shop had a bugera tube, an electro harmonix tube what was previously in the amp and the groove tubes 12ax7r. Aspen pittman, the man behind hugely popular valve maker groove tubes and the author of the influential the tube amp book died in a car. 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. Shop by amp package guide its that easy are you looking to replace the vacuum tubes in your amplifier and need guidance selecting just the right set for your needs. Product title groove tubes gtecc83 european preamp tube. This is the best tone yet from an amp that is already my all time favorite amp.
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. Groove tubes has some issues a few years ago, but i feel they are back on top as far as mass produced tubes go. Sep 12, 20 the truth is, companies like ruby tubes and groove tubes are essentially tube dealers, testers, and rebrandersnot manufacturers. If you arent sure about which valve you need, or what tubes you can substitute, let us help you. Pittmans the tube amp book has sold more than 140,000 copies worldwide which is a strong testament on the value of this book. Books, tutorials, and technology for guitar amplifier circuit design. Neither, for that matter, do fender who now own the groove tubes name, ruby tubes and a host of other companies manufacture tubes.
Groove tubes was started in the late 1970s by aspen pittman, who had a lifelong fascination with tubes and tube tone. Pittman also penned the tube amp book, considered a bible of. A comparison of current production 12ax7 tubes rca and sylvania first introduced the 12ax7 to the world in the late 1940s. Valve amplifiers can be used for applications such as guitar amplifiers, satellite.
If your amp currently has groove tubes in it and you have questions about replacing them, or about biasing your amp with nongroove tubes, ask us. The power rating on my new tubes are 4 and they are biased at 38 ma. Or call us at 800 2224700 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. Reviews for the deluxe and revised edition mention that the image quality on schematics is poor. I often see forum posts saying things like, ruby tubes are the best. This fascination led to aspen and a team of technical experts to reevaluate the way tubes were tested and matched. I agree with good tonethe scream is probably a little bit too much for most uses these days. The simplest vacuum tube, the diode, contains only two elements. 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. Groove tubes audio seii rackmount speaker emulator, reactive load, linelevel out, 150 watts max input, parallel fx loop. Fully working, three channels that groove tubes have modelled on. Original tubes, astron filter caps and two sprague filter caps, plus at least two bumble bee caps inside. Tube specs, troubleshooting, common mods master volume, power tube changes, capacitor changes.
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. The soulo 45 is an alltube, handwired sleeper gem from the mid90s produced in a very small run by aspen pittman and the groove tubes crew before being boughtout by fender. Interesting there isnt a whole lotta gt love on this forum. I just put some groove tubes el34ms in my yjm100 today and man do they sound good. Product title groove tubes gtecc83 european pre amp. This amp is incredibly versatile as a superclean platform with nothing but headroom, it serves as a perfectly neutral pedal foundation. The preamp tubes in a my bass amp went bad and i had to get something new. Groove tubes tube amp book first edition jeffs gear reverb. Get the guaranteed lowest prices on groove tubes preamp tubes instruments at musicians friend. Groove tubes guitar amplifiers for sale in stock ebay. Whether you are replacing the tubes in your guitarbass amp. They are available to offer you personalized product advice any time you need it. These are chinese mullard dual getter copies that groove tubes fender makes. Today, it is by far the most common preamp tube used for electric guitar amplification and there is an almost overwhelming supply of.
Because of the high gain, 12ax7 in v1 has a lot of effect on sonics. Groove tubes went on to sell amps, processors, mics and many other products. Groovebook, a photoprinting app and subscription service that creates personalized photo books featuring up to 100 of your photos, shipped monthly, has been acquired by photo printing giant. Open quick view dialog for groove tubes gold series gt6l6r matched power tubes.
His curiosity eventually led to inventing a whole new standard for matching guitar amp tubes one that works. If youre like us, you probably have thousands of photos on your smartphone. The power amps are interesting because they let you experiment with lots of different tubes. Theres just something totally authentic about the power and tone that one of these iconic amps can produce. Today, youll hardly find a professional guitarist who doesnt have a set of groove tubes in his amp. Already known as the bible of tubes and tube amps, the tube amp book is now even better. 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. About groove tubes for over 30 years, groove tubes have been trusted and demanded by touring professionals and their techs around the world. Groove tubes power tubes 11 groove tubes preamp tubes 3 groove tubes rectifier tubes 2. Likewise, pittmans groove tube uniquely designed pro audio products are found in worldclass facilities around the globe. Nov 02, 2017 in the groove is just another notch on a talented musicians belt, and even though were already following along, books most certainly has our utmost attention. Our books come with perforated edges for easy tearing. Groove tube gt6l6r russian amp vacuum tubes a mediumoutput power tube generally 2025 watts often used in fender professional amplifiers including the bassman, bandmaster, concert, dual showman, hot rod series, pro series, super. Open quick view dialog for sovtek el84 matched power tubes.
Tube amps use multiple tubes, and the first position is referred to as v1. A bibliography of must have tube electronics books aiken amps. Groove tubes gold series gt6l6s matched power tubes. In the groove is just another notch on a talented musicians belt, and even though were already following along, books most certainly has our utmost attention. 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. Your buddies can take a look in the back of your amp and there wont be any doubt that you are the man. Boutique groove tubes gt soulo rf1 75 watt combo amp w pedal.
Locate your amp choose the tube package you want click add to cart and all the tubes you need will be added to your shopping cart. Publishing isbn 087930345x the tube amp book aspen pitman distributed by groove tubes shop guitar amplifiers shop bass amplifiers. Get this book for the extensive collection of schematics and cool amp pictures, ignore the sales pitches and especially the tech info, as much of it is incorrect. In life tests so far, at least a 40% increase could be easily expected. You can take this book and use it to work on an old amp or like me use it to pick out an old amp to build yourself. Low to medium power valve amplifiers for frequencies below the microwaves were largely replaced by solid state amplifiers in the 1960s and 1970s. Alltube circuits, uses any of 25 output tubes and a variety of preamp tubes without rebiasing, effects loop with blend, classic styling, highquality speakers. Pulled from a wollensak t1515 stereo tape magnetic recorder from the 1960s as i recall. Very well done, with lots of color photos and items of historical significance. Since the dawn of the electric guitar, musicians have loved the sound of a really great tube amp.
Get the best deals on groove tubes when you shop the largest online selection at. 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. 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. The original version was an alltube combo amplifier with dual 12 speakers and two 6l6 tubes for a rated output of 25 watts. Many thanks to the writer aspen pittman can take a bow on a well written manual book. 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. These tubes may have a very strong appeal to players wanting more clean headroom in marshall style amplifiers and may be sonically. The fender twin has gone through a number of changes over the years, both cosmetically and electronically. Wollensak t1515 tube amp 7025 12at7 12ab5 vintage 1960 guitar amp project cool vintage tube amp project for guitar, hifi, harp, etc. Wollensak t1515 tube amp 7025 12at7 12ab5 vintage 1960. Shark tankbacked groovebook acquired by shutterfly for. 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.
Mr pitman also promotes his company groove tubes quite a bit. Instead of building a library of forgotten snaps, save space and create special keepsakes by printing your photos using groovebook. Power amp is true 2channel stereo with 2 output transformers mercury magnetics and a common power transformer mercury magnetics. Aspen pittman is perhaps best known for writing the tube amp book, the bible of. Electric guitar players can choose from a library full of guitar books, but comparatively little has been written about the other 50% of the electric guitar.
The guitar world mourns the passing of aspen pittman, groove. Now, groove tubes are the mostused tubes in guitar amps and a favorite of tone aficionados. This book takes a giant step toward redressing the balance, providing the first overall view of ampdom, including. Get the best deals on groove tubes when you shop the. If you are looking to upgrade the tubes in your amp, 12ax7 in v1 where you want to start. Z, fender, gibson, hiwatt, marshall, matchless, mesaboogie, orange, vox. The other thing in regards to the groove tube model history the soul 75 and soulo 150 came out years before the soulo 45, the soulo 45 was designed to be more of a production amp, hence the standard grillno custom handpainted options there, no class a option, no chrome gt emblem.
Though the only vacuum tubes produced today are made in asian and eastern european countries, in the past two decades we have seen the emergence of some very fine and respectable hifi tube amplifier manufacturers on american soil that american tube amp is proud to join ranks with. To understand tubes and tone, you have to get into some history. 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. Bookalready known as the bible of tubes and tube amps, the tube amp book is now even better 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.