Tubes and Circuits (Anglais) Broché – 17 juillet 2012
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This book contains a fun collection of DIY projects aimed mainly at those interested in building their own OTL (output transformerless amps). But there are several other projects as well, such as a tube tester and a low power amp that are also interesting in their own right. There's tons of miscellaneous useful information on various tube concepts that will expand your knowledge. The book starts out with a basic introduction to electronics and tubes that even an inexperienced non-hobbyist and non-engineer would be able to follow with a little effort.
If you want a general introduction to tubes that includes more specialized tube concepts such as lighthouse tubes (a type of triode tube useful in ultra-high frequency applications such as microwave communications), cavity resonators and cavity magnetrons, tube waveguides, or klystron tubes (also useful in microwave ovens and particle accelerators), you'll need to get a text on general communications electronics such as the classic book by Robert Shrader. But for a terrific little hobby book with some great projects and easy to understand explanations you won't find better than this book.
Finally on page 149 he gets to the good stuff -some basic valve circuits, but it's a whistle-stop tour that lasts 55 pages. Power supplies get just 7 pages.
Then he presents his pride and joy -a couple of OTL projects (although the interior photos look distinctly amateur -all rats nests). Also a simple tube tester is included. I wouldn't dare connect my speakers to one of his OTLs mind you; they have no offset protection at all.
Anyway, it's a weird book. It seems like a beginner's physics/electronics book that suddenly has a couple of exotic tube amp circuits bolted on the end! With precious little tube electronics in the book, it certainly is NOT "the most up to date and comprehensive vacuum tube design book currently available."
And all his battery symbols are backwards.