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by Bruce Rozenblit

Download Audio Reality fb2, epub

ISBN: 0966961102
Author: Bruce Rozenblit
Language: English
Publisher: Transcendent Sound Inc (February 26, 1999)
Pages: 128
Category: Engineering
Subcategory: Engineering
Rating: 4.1
Votes: 964
Size Fb2: 1631 kb
Size ePub: 1326 kb
Size Djvu: 1615 kb
Other formats: mobi doc docx rtf


Bruce Rozenblit's work "Audio Reality", is to me genuine. This book is an exceptional book on audio reality. It really deals with some of the most common myths regarding "high end tube audio"

Bruce Rozenblit's work "Audio Reality", is to me genuine. His experience in the field prove to be informative and worth the price of this book. I highly recommend his work. It really deals with some of the most common myths regarding "high end tube audio". I really loved to see someone tell the tube audio newcomers what it's all about these silver capacitors, cables and all the rest of weired and crazy part selection game. Although I know that one can have exceptional good sound from a few watts on horn speakers, Bruce Rozenblit is certainly true with his designs when it goes to normal speakers.

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Audio Reality by Bruce Rozenblit (1999-02-26) Paperback – 1896.

Bruce Rozenblit is the President and Chief Designer of Transcendent Sound, Inc. He hold a Bachelor of Science in Electrical Engineering and has over 20 year of professional design experience. He has been awarded US patent no. 5,604,461 for the design of his OTL amplifier. Previous writings include The Beginners Guide to Tube Audio Design which is a distillation of design principles, targeted toward the novice, to teach them how to design their own audio circuits.

Interview with Bruce Rozenblit of Transcendent Sound, In. RS) Bruce, can you begin by telling us a bit about yourself. There were some older boys across the street that had some audio equipment and I thought that this was the neatest stuff in the world

Interview with Bruce Rozenblit of Transcendent Sound, Inc. by Richard Seah. Part I - Introduction. There were some older boys across the street that had some audio equipment and I thought that this was the neatest stuff in the world.

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Painful Reality 0. Forum Veteran. The Most Powerful OTL Amplifier in the World. While I appreciate the fact that Rozenblit comes up with a real good product for really few ducats, his marketing way à la Decware Audio (making unsubstanciated claims) just puts me off. This being said, I must say I'm pretty impressed with the efficiency of these OTL. If it's true that these beasts draw only 325 W per channel, it's quite an achivement.

Bruce Rozenblit: Scull: Just kidding. Rozenblit: Right, I'd never heard tubes before, and thought it was a ridiculous waste of time to even think about such old technology

Bruce Rozenblit: Scull: Just kidding. But really, here you are claiming to have fixed all the problems in Futterman's OTL design. Rozenblit: Yes, exactly. Rozenblit: Yes. Scull: What defining moment launched your audio building career? Rozenblit: Well, years ago I picked up a little EICO tube amp, their version of the Dynaco Stereo 70. I'd never even heard tubes before, and it was just unbelievable. Rozenblit: Right, I'd never heard tubes before, and thought it was a ridiculous waste of time to even think about such old technology. But when I heard them for the first time, I said omiGod! And then Glass Audio magazine came along, and that had a lot to do with it too.

369 results for audio reality. AUDIO REALITY By Bruce Rozenblit.

Written by an industry insider and manufacturer, this book gives the consumer essential knowledge about the workings and operations of the vast array of accessories and components available in the marketplace. By providing the scientific basis for how they work, the reader is equipped with the knowledge needed to weed out false claims and make economical, low-cost purchases. Emphasis is on spending as little as possible to encourage people to become involved with audio. All explanations use simple analogies and are easy for the novice to understand. No math is required. Fundamental electronics theory is presented in a comprehensible fashion and written specifically for the non-technical reader. In addition, common marketing practices are shown so the consumer can recognize unscrupulous sales tactics. Many widely held myths are debunked.

In the second half of the book, the author demonstrates the innovation and superiority of his products by publishing all of his designs. Complete schematics, parts lists, circuit descriptions, and checkout procedures are included. The hobbyist can build six high-end commercial audio products as follows: The Transcendent OTL in both 80W and 25W versions, the Grounded Grid preamp, the Super Compact 150W amp, the Cathode Follower Single-Ended amp and a new phono stage. All design techniques are revealed. Nothing is held back.

Comments:

salivan
This book is controversial, but from what I can tell Bruce likes it that way. The first half of the book is the section where "myths" are debunked and "truths" are revealed. Now, I'm an audiophile and I disagree with him on many things, but there's merit to some of the things he says. He's paricularly vitriolic against the snake oil salesmen of the high end audio world. I read the section, agreed with some things, disagreed with many, absorbed what was useful and moved on.
My other complaint is that a good part of the book is spent by the author patting himself on the back and mentioning again and again (and again) that he's an ELECTRICAL ENGINEER and that he's been AWARDED A PATENT for his OTL circuit. Now don't get me wrong, these are admirable acheivements. But the way he goes about it gets annoying at times, almost to the point of self congratulatory gloating.
But... BUT! Bruce is to be admired for having the guts (and the generosity) to put the schematics of his very high performance designs out there for anyone that buys the book to use. Heck, he even has his own website and forum where he helps people with their projects! The projects are explained with great detail, complete with parts lists.
What makes this all the more remarkable is that Bruce is also an audio equipment manufacturer and some of the designs in the book are products that he still sells today. The OTL (output transformerless) tube amp has been very positively reviewed by some of the most "snooty" of the high end magazines. This is his bread and butter and he still puts it out for you to build yourself if you wish to.
I may disagree with Bruce, but I respect him. I recommend this book highly.
Yanthyr
Audio Reality is a worthwhile investment for anyone interested in DIY valve audio. Half of the book is devoted to an examination of 6 amplifier designs created by the author, and includes construction and testing advice, parts lists and schematics. The most interesting of the 6 projects featured are the author's well-known "grounded-grid" preamplifier and his 80W/channel output transformerless power amplifier. Any DIY enthusiast who is looking for something a bit more challenging than usual would find these designs fascinating.
The first half of the book is a series of articles which set out to debunk some commonly held opinions amongst audio enthusiasts. Whilst the author is not totally dismissive of these ideas he is clearly sceptical about most. He does, however, provide sound electrical and engineering justification for his views and confines his harshest criticism for the more extreme "myths".
The only fault I found with the book is the author's style, which is a little self-congratulatory and indulgent at times, however that does not detract from the sound advice and excellent designs.
Riavay
The book is for anybody who is in search for the "audio-truth" and is willing to make the journey with his/hers own feet, with a nice bag of solid tools to exorcise magicians and witches along the way. The author strives to make you aware of three things: 1) You and you only is the one who has to judge your equipment and be happy with it. 2) You need clear, unambiguos, real-world informations to sharpen your critical mind and be able to choose equipment free of myth and magic. 3) High-end audio does not necessarily mean high-end cost. To me, he made all his points. You may believe that a extraordinary expensive cable is an audio revolution, but if you are honest with yourself, after reading this book you have to ask yourself WHY... Knowledge in the audio arena helps you to have more fun, less fears, and a fuller pocket. The second half of the book is devoted to several tube projects that are interestingly detailed with design choices, but near to impossible to realize if you are not skilled to translate an electric scheme into real parts and wire routings; definately not for the beginners. I would have much liked a wiring and components layout to complement the circuit analisys. These projects are not theorical, Rozenblit actually commercially builds and sells what is detailed in the book, so in more than a way he publicly expose his ideas, engineering style and convinctions to anybody who cares to check... in my opinion much more than can be said of the great majority of competitors. See for yourself.
Marilbine
I have found most articles and books written about audio to be subjective and convoluted.
Bruce Rozenblit's work "Audio Reality", is to me genuine. His experience in the field prove to be informative and worth the price of this book.
I highly recommend his work.
Ieregr
This book is an exceptional book on audio reality. It really deals with some of the most common myths regarding "high end tube audio". I really loved to see someone tell the tube audio newcomers what it's all about these silver capacitors / cables and all the rest of weired and crazy part selection game.
Although I know that one can have exceptional good sound from a few watts on horn speakers, Bruce Rozenblit is certainly true with his designs when it goes to normal speakers. I have heard the OTL design and must say, that it is a very impressive and excellent sounding amplifier.
Must read for anyone starting to build his own tube audio equipment!

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