Vacuum Tube Amplifier Basics by E.J. JurichAlthough it is true that accurately calculating electronic circuits can involve complicated formulas, for the electronic hobbyist it is not necessary to perform at the level of an electrical engineer. With some basic knowledge it is possible for the hobbyist to design and build vacuum tube audio amplifiers that perform well.
This book covers basic electronics related to vacuum tube amplifiers, an elementary guide for understanding and working with vacuum tube amplifier circuits. Sections cover electronic and audio information that are concise with many examples and illustrations. Vacuum tube amplifying circuits are explained in simple terms without complicated math. Math is primarily basic math and a few simple formulas all solvable with a standard calculator and presented with examples. A table of component values for the popular 12AX7 in various operating parameters simplifies amplifier stage design.
The author has over 50 years of practical hands-on vacuum tube amplifier experience repairing and building custom audio gear including studio and recording equipment. Professionally worked in radio broadcast engineering for 40 years. Written at a beginners level and moderately priced, this book is intended for the home hobbyist.
Included in this book are six project circuits with parts list and component layouts for Buffer Line Amplifier with 25db gain, 6V6SE Monoblock Amplifier, Triode Balanced/Unbalanced Input, Tone Control Stage, Cathode Follower Output, and Turntable Pre-Amplifier. These can be stand-alone projects or combined into a project. Also included are 6V6SE Stereo Amplifier and Guitar Amplifier project circuits with component layouts.
A section explains how to make professional looking panel labels using an ink jet printer with Avery labels and laminating sheets.
LETTERS RECEIVED FROM READERS
Just wanted to send a quick email to let you know I am enjoying, and am impressed with your Vacuum Tube Amplifiers Kindle book. I have a mild electronics background, so this is both a great review of fundamentals Im a bit rusty at, and learning about tube amps. I hope to build one of the designs such as the 6V6 amp sometime in the future. I can tell you put a lot of effort in putting the book together, and its very understandable to anyone with minimal electronics background.
I just wanted to let you know that I just started reading your book and I think it is terrific!. I have bought some other books on the subject in the past, but many of them seem to have been written for the electronics engineer, or someone who already understands these topics. I hope to build very low volume guitar practice amps (I live in an apartment and dont want to annoy the neighbors) and I thought I might use some modified tube intercom units as they are small and it seems many of the tube lineups seem similar to the commercially available 1-5 watt tube guitar amps on the market. At first, after I printed your book, I thought it daunting (its a whopper) but then I realized if I read a page a day I could finish it within a year (as I practice new skills) Thanks I cant tell you enough how impressive this book is from a complete newcomer to this hobby, but it is thoroughly enjoyable to read. Best regards.
Scratch Build a Stereo Tube Amplifier Part 1
Guide to Vacuum Tube Amplifier Design
This free guide discusses all relevant aspects for an integrated push-pull vacuum tube amplifier design, including the power supply unit. Furthermore, the guide also contains a step by step design of an integrated push-pull vacuum tube amplifier, using EL84 power tubes, leveraging on all the notions introduced. If you prefer to immediately start reading the full text for free , you can directly jump to the summary of content. Elsewhere, please find below an overview of what is in the guide. Certainly, this is needed by the non-initiated. However, If you already know what vacuum tubes are and how they operate, you can skip this part. Then, the guide discusses how vacuum tubes can be used as amplifiers.
Building a brand new valve amplifier using the RH84 design and off-the-shelf components. A number of recent visitors have registered surprise that we do not have any music playing in our workshop. We do have a small radio, but it seldom gets turned on.
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DIY Tube Amplifier. Back in my university years, I always fancied having amplifiers with glowing vacuum tubes on them. Too bad the price was just out of my reach for a student. I could only watch and drool, not forgetting to listen to my little mini hifi, hahaha… I still remembered the UKP price tag on a small low power Audio Sterling tube amplifier published in What Hifi! Get your hands dirty and complete some DIY audio projects, especially tube amplifier!