This book presents vacuum tube amplifier theory using modern, webbased design tools and. How to design valve guitar amplifiers the valve wizard. Fundamental amplifier techniques with electron tubes second. Line 6 122954 micro spider 6w batterypowered guitar amplifier. Covers amplifier circuits as well as tone controls, mic and pickup preamps, and power supplies. A thermionic valve or vacuum tube contains two or more electrodes suspended inside a glass bulb. So, i got a job working on amps at a local tube amp repair shop. Tube amplifiers have two subtypes ab1 grid current never flows ab2 grid current flows for part of the. Basic theory explains the design of guitar amplifier preamps, power amps, and power supplies using 2020 technology. It is intended as a companion to design and construction of guitar and bass speaker systems. Maybe you had an earlier edition of pittmans book that didn.
The overall schema of the power stage, including values of all components, is given in figure 48. While there is plenty of material written about tube amplifier design solidstate amplifiers are mostly left ignored. This is another excellent book, a companion to the preamp book listed above. Half the book is a bio of nearly every amp company in history. A bibliography of must have tube electronics books aiken amps. Sep 01, 2009 written for musicians, amp builders, and tube audio enthusiasts, design and construction of tube guitar amplifiers provides a complete yet easytounderstand explanation of how to design, modify, construct, and test tube amps. Fundamentals of amplification this chapter deals with the design and analysis of the basic triode gain stage, which is the main building block of a valve preamp. Covers theory, and concentrates on amplifier quality distortion, noise, etc.
Im extremely interested in learning to service tube amps, and one day design and build them. Book for musicians, amp builders, and tube audio enthusiasts. Any air inside the bulb is thoroughly removed during manufacture, leaving only a vacuum. Computerbased visualization replaces the traditional litany of mathematical formulas. Using 6 as a guideline, the following models were used in spice simulation. Circuit simulation a deep dive into spice tube amp modeling. Guitar players wanting to learn how tubes and tube amplifiers work. Without the invention and evolution of the guitar amplifier, the world of popular music would be a very different place.
Quality guitar amplifiers are designed to precisely reproduce sound while maintaining a clean and accurate tone. Tonetron amplifiers tonetron ampshand built guitar tube. This is followed by explanations of components, the detailed. Marshall history, overdriving marshalls and retubing amplifiers. Singleended classa tube amplifier design and construction. Theory and practice with design methods for self construction. It is strange that you never have heard of jack darr. No guitarist should ever be without a trusty amplifier to plug in and rock out. Basic theory a 21stcentury approach to understanding preamp, power amp, and power supply design. An entire chapter is devoted to sculpting the dynamics of overdrive and harmonic distortion.
Designing valve preamps for guitar and bass 2 fig 1. Some of this material is general and applies as much to hifi circuits as to guitar amps, but some of it is very. If youre interested in understanding, designing, or building greatsounding amplifiers and speaker systems, design and construction of tube guitar amplifiers and design and construction of guitar and bass speaker systems contain the information you need. A very common type of amplifier used in electronic circuits is the voltage buffer, sometimes called a voltage follower. Profusely illustrated, the book uses graphic aides and basic algebra and scientific principles to teach you everything you need to know to fully understand tube guitar amp. However, most highend amplifiers which are used in the gigs or recording studios uses tubes. El84 datasheet specifies that anode and screen voltage can be set to. You can rightclick this graphic and select open image in new tab or save image as to make it easier to access while looking at the schematics below.
No fancy tone control designs and esoteric riaa filters are included. All the information required to design and build tube guitar amplifiers is compiled in one place. This book, in print from 2008 until 2020, has been updated, expanded, reorganized, and replaced by guitar amplifier electronics. We adopt a pushpull configuration in ultralinear mode. There are two simple forms of this circuit, one using a single transistor and the other using an integrated circuit called an operational amplifier. The guitar amplifier design course was developed for the designers, builders and suppliers of vacuum tube guitar amplifiers. Product gallienkrueger 3030810a 25watt ultralight bass guitar combo amplifier. The chapter on amp construction in particular explains tube theory, capacitors and special effects. Class ab amplifiers are more efficient than class a, but not as efficient as class b. This the first video of many on design and build of an audio tube amp.
Design and construction of tube guitar amplifiers by robert megantz this is a great book to get involved in the theory of amplifiers. In guitar amps, were not that interested in displaying images with our tubes, but were still very interested in controlling those electronsand we can use a guitar to do it. Then we will study the nature of the guitar input signal, and apply this signal to the. A desktop reference of hip vintage guitar amps gerald weber. Guitar amplifier power amps book guitar amp books for. This is part 1 of a twopart video series discussing in very basic language virtually all aspects of tube amplifier passive tone controls. Free bookpdf on solid state guitar amplifiers telecaster. Megantz a complete yet easytounderstand explanation of how to design, modify, construct, and test tube amps. The tube amp book deluxe revised edition book and disk package hardcover. This may be considered a beginners guide for tube audio design if you have extensive electrical experience. Diy constructors who want to build, service or modify tube guitar amps. Jun 20, 2017 all the information required to design and build tube guitar amplifiers is compiled in one place. A bibliography of must have tube electronics books. Ultralinear mode and pushpull configurations were introduced respectively in section 2.
This is an excellent little book with very good, easytounderstand theory and troubleshooting. I find it difficult to learn from a book or dvd without handson experience and being able to ask questions and be warned of pitfalls by an experienced amp master. The other half has nearly 800 schematics for common amplifiers for research. Building your own guitar amp is a rewarding pastime, but learning how to do it can be time consuming and frustrating sometimes. As a rank beginner, i bought this book to help me understand amplifier design so i could better diagnose issues with my tube amplifiers. The course starts with a discussion of the basics of electronic concepts. The voltage gain of each of these devices is unity a v 1. If youre here then youre probably thinking about tinkering inside one. Written for electronic engineers and professional amp builders, guitar amplifier power amps moves beyond simplistic advice and cookbook solutions to present a complete guide to the theory and operation of singleended and pushpull power amplification. Without going into the theory of these devices, it is adequate to state. Class ab amplifiers are the most common in larger guitar amplifiers because of their efficiency.
Profusely illustrated, the book uses graphic aides and basic. Pspice spice simulations are a valuable tool that aid in the design of tube amplifiers. Explores all manufacturers and demystifys the inner workings of tube amps. How guitar amps work and what you can do to start tweaking.
Lets take a quick look at the staple of great country tone, the tube amplifier. The book explains the principles of vacuum tube electronics and the design of preamp voltage amplification stages, cathode followers, tone stacks, power amps, phase inverters, negative feedback, and power supplies. It is alltube design or combined, tube preamplifier with solid state power amplifier. 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. Oct 10, 2008 this is a new book 2008 419 page book in pdf formatsolid state guitar amplifiers by teemu kyttala with loads of info on this sparsly covered subject. It deals with guitar amplifier power amp designs from an engineering standpoint, and contains derivations of formulas for all phases of power amplifier design. Books, calculators, and tutorials for guitar amplifier circuit design. Design and construction of tube guitar amplifiers by robert c.
From the phase inverter input to the loudspeaker output, every aspect of circuit design is rigorously explained and thoroughly explored. All these tube amplifiers cost much more than modern solid state amplifiers. The book explains the principles of vacuum tube electronics and the design of preamp voltage amplification stages, cathode followers, tone stacks, power amps. Designing power supplies for tube amplifiers antique. Mar 14, 2014 part 1 of a 2part video series in which the circuitry of tube amplifiers is explained by breaking down the circuit of a fender champ amplifier into subunits and explaining the design and. Beside that, el34, el84, and 12ax7 vacuum tubes are used in many practical examples, to design the various parts of the circuits and to compute the values of the needed components.
This guide discusses all relevant aspects for an integrated pushpull vacuum tube amplifier design, including the power supply unit. This is not a diy book with readymade electron tube amplifier designs which one can copy, paste and eventually edit into a practical construction. Heres a quick look at the features of the tube amplifier that well look at in more detail in later lessons. 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. In aspen pittmans tube amp book 4th edition that you used for learning tube amp repair there are ten pages that are reprinted from darr. Lets start by looking at the simple standard tube amplification circuit that you will see again and again as you study tube amp schematics. Tons of empirical data that demystify the 519 pages tube pdf file guitar amplifier power amps. Vacuum tube circuit design guitar amplifier power amps. This book is a stepbystep tutorial for simulating vacuum tube guitar amplifiers using ltspice, a free spicebased electronic circuit simulator for windows and macos. Design and construction of tube guitar amps antique. Youll want to take notes as you read, but its written with musicians in mind. Written for musicians, amp builders, and tube audio enthusiasts, design and construction of tube guitar amplifiers provides a complete yet easytounderstand explanation of how to design, modify, construct, and test tube amps. Note that a 6l6 model was used in place of a 6v6 because it was readily available. Jul 15, 20 the tube used in that case was the cathode ray tube aka crtbetter known today as an old, prelcdledplasma television.
993 136 36 1125 1458 1595 1383 186 58 572 518 421 306 1417 328 176 224 557 1409 1462 548 551 762 1627 1449 455 1333 712 355 1140 1187 1188