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Topic: Audio Transformer Design Manual by Robert G. Wolpert (Read 2785 times)
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hgamal
Posts: 30
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Does anybody knows where I can get a copy of this book "Audio Transformer Design Manual" by Robert G. Wolpert?
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Haroldo Gamal
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R.G.
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Posts: 14454
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I bought mine directly from Wolpert. It's self published, photocopies and a plastic comb binding. I don't know whether he still sells them or not.
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R.G.
West Texas Wisdom #37: You can't pour enough butter on a cactus to make it easy to swallow.
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R.G.
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Posts: 14454
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It's worth mentioning that Wolpert's manual is written at a level that expects that the reader is already experienced with power transformer design. It's not a beginner's book by any means.
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R.G.
West Texas Wisdom #37: You can't pour enough butter on a cactus to make it easy to swallow.
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Phorhas
Posts: 756
Dan
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Is It a good read?
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Electron Pusher
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R.G.
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Posts: 14454
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Is It a good read? It's hard for me to tell that about normal humans. I'm a reading addict, and more strangely to real humans, a technical nonfiction reading addict. I ... like... reading textbooks. I commonly read "Machinery's Handbook" for maybe an hour at a time. Hot stuff in there about the correct rake angle and cutting shape for metal cutting tools and the heat treatment of phosphor bronze, not to mention allowances for press fit tolerances. I liked it a lot. But I had already designed both power and audio transformers for a living for several years. There are passages where it says things like "Fit the windings to the available window, leaving about 12-15% margins", assuming that you know what margins are and how to fit windings to windows. Not to mention the stuff on longitudinal balance, which was new to me after years of transformer design. I very much recommend that anyone who really wants to learn transformer design to first get "Transformers for Electronics Circuits" and RDH4. Once you understand the theory in TFEC and RDH4, the stuff in Wolpert's book will make more sense. |
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R.G.
West Texas Wisdom #37: You can't pour enough butter on a cactus to make it easy to swallow.
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MKB
Posts: 119
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Is It a good read? I'm a reading addict, and more strangely to real humans, a technical nonfiction reading addict. I ... like... reading textbooks. I commonly read "Machinery's Handbook" for maybe an hour at a time. Hot stuff in there about the correct rake angle and cutting shape for metal cutting tools and the heat treatment of phosphor bronze, not to mention allowances for press fit tolerances. Know what you mean there, have been enduring much ribbing from bandmates after dashing into a used bookstore before a gig and coming out with old EE books and one about nuclear engineering. But they seem to stop the jokes when their stuff breaks and needs fixing.. Here's a link to a very nice book for download, Reference Data for Radio Engineers: http://www.pmillett.com/Books/FTR_ref_data.pdf This book has a great section on transformer design in chapter 5, basically a follow-the-numbers approach for power tranny design. Unfortunately the one online is the second edition, I have a hardcover of the fourth edition that goes into the same detail for OT design. A tranny guru I worked with suggested it as apparently it is one of the few books explaining the difference between OT designs for AB1 and AB2 amps. |
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R.G.
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Interesting. My hardcover RDRE is second edition. Now I have a new quest.
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R.G.
West Texas Wisdom #37: You can't pour enough butter on a cactus to make it easy to swallow.
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Ace
Posts: 157
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black mariah
Posts: 408
Michael M.
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It's hard for me to tell that about normal humans.
It's official. RG is a cyborg sent from the future.  MKB: Thanks for that link! |
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hgamal
Posts: 30
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I bought mine directly from Wolpert. It's self published, photocopies and a plastic comb binding. I don't know whether he still sells them or not.
The Wolpert Site www.rgwdesign.com, where we could buy one, is not working anymore! |
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Haroldo Gamal
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hgamal
Posts: 30
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Haroldo Gamal
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Ronsonic
Posts: 953
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Is It a good read? It's hard for me to tell that about normal humans. I'm a reading addict, and more strangely to real humans, a technical nonfiction reading addict. I ... like... reading textbooks. I commonly read "Machinery's Handbook" for maybe an hour at a time. Hot stuff in there about the correct rake angle and cutting shape for metal cutting tools and the heat treatment of phosphor bronze, not to mention allowances for press fit tolerances. I liked it a lot. But I had already designed both power and audio transformers for a living for several years. There are passages where it says things like "Fit the windings to the available window, leaving about 12-15% margins", assuming that you know what margins are and how to fit windings to windows. Not to mention the stuff on longitudinal balance, which was new to me after years of transformer design. I very much recommend that anyone who really wants to learn transformer design to first get "Transformers for Electronics Circuits" and RDH4. Once you understand the theory in TFEC and RDH4, the stuff in Wolpert's book will make more sense. Yeah, I read like a geek, too. I live with RDH4 on the shelf at my dayjob shop. One of the guys had his girlfriend by one day, she was getting bored and demanded something to read so I handed that to her. She found the chapter on emissive cathode coatings and dug in. Man, that was hot. Ron |
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MKB
Posts: 119
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That's the one!! As of today still at $5, no bids. One of you guys better man up and buy that!! Another very useful book is Electronic Transformers and Circuits by Reuben Lee, still in print. But they are very expensive either new or used. I paid $130 for a new one at work. This is supposed to be the ultimate transformer design reference out there however. |
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Ace
Posts: 157
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That's the one!! As of today still at $5, no bids. One of you guys better man up and buy that!! Another very useful book is Electronic Transformers and Circuits by Reuben Lee, still in print. But they are very expensive either new or used. I paid $130 for a new one at work. This is supposed to be the ultimate transformer design reference out there however. |
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