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Bob Cordell's Power amplifier book
Bob Cordell's Power amplifier book
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Old 30th July 2017, 01:58 PM   #8261
Mark Johnson is online now Mark Johnson  United States
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Bob Cordell's Power amplifier book
While patiently waiting for Cordell2ed to arrive, you could (a) do nothing; or (b) scout around for other sources of balanced-input power amplifier circuit design inspiration. Perhaps the download page on Bryston's website might yield a couple of nuggets. If you are nervous or lack confidence to decide for yourself whether such-and-such schematic is bad, mediocre, or good: perhaps you could hire Bob (or others) as a consultant to provide a more authoritative opinion.
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Old 31st July 2017, 10:23 PM   #8262
SGK is offline SGK
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Oh for now I still have a lot of work to do deciphering edition 1! I'm just hoping I will have much more of it under my belt by the time ed 2 is released and that some of the topics I have on my radar (maybe they will remain forever beyond my skill level) will be covered in more detail in the new text. In the interim, having found some time but without access to tools or even a computer (just smartphone) I'm continuing to study Bob's ed 1 text alongside the schematics of diyAudio member astx's SA2014 amp, which I have built successfully. The more I learn about this hobby the more I realise I do not know...it's daunting.

Thanks for the link Mark. I will take a look!
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Old 22nd October 2017, 04:10 AM   #8263
Krisfr is offline Krisfr  United States
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The book is going for over a thousand on Amazon... WOW
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Old 22nd October 2017, 04:36 AM   #8264
davada is offline davada  Canada
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I see 399.00 but not 1000.00.

I don't remember what I paid but it was well under 100.00.
I hope the second addition is not quite as inflated.

We are talking about Bob's book here?
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Old 22nd October 2017, 12:44 PM   #8265
keantoken is offline keantoken  United States
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My guess is that the price setting software hit a bug. Either that, or Bob's book is being used to launder large amounts of money. No one is going to buy a used book when they can get the same edition for 1/4 the price.
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Old 22nd October 2017, 12:53 PM   #8266
AndrewT is offline AndrewT  Scotland
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Originally Posted by keantoken View Post
My guess is that the price setting software hit a bug. Either that, or Bob's book is being used to launder large amounts of money. .............
That's a shame.
I was thinking of selling mine for offers around $900
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Old 22nd October 2017, 01:51 PM   #8267
jan.didden is offline jan.didden  Europe
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Those prices are set by the seller, not by amazon. Anything goes - only one sucker required, and you're done!
So, Andrew, your $ 900 is about half price ;-)

Jan
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Old 22nd October 2017, 02:17 PM   #8268
Bob Cordell is offline Bob Cordell  United States
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Quote:
Originally Posted by davada View Post
I see 399.00 but not 1000.00.

I don't remember what I paid but it was well under 100.00.
I hope the second addition is not quite as inflated.

We are talking about Bob's book here?
I did notice that high price on Amazon U.S. It is, of course, a crazy number. Here's what I am pretty sure is going on. The first edition is out of print, so there are no new copies being sold, as far as I know, through that sales channel. The book appears to be only available through Amazon-connected used re-sellers. They apparently believe that they can get that price from sufficiently desperate people (I honestly can't imagine anyone that desperate).

Due to me being behind significantly on completing the second edition (my bad), there is a gap in availability of the book. This gap is likely due to the fact that the second edition will be published not by McGraw-Hill, but rather by another large publisher well-known for publishing books on audio electronics and other electronics, in addition to many other excellent technical books. The first edition is still available in Kindle at a very reasonable price. I know that many people much prefer a technical book in paper form because it will inevitably used as a reference (that includes me).

The second edition will be published sometime in 2018, hopefully before September. It will contain approximately 5 new chapters, and most of the original 31 chapters will be updated. The first edition was about 600 pages. The second edition will be about 750 pages.

One source of delay has been the fact that I have down-sized and moved to a new home, and my lab has been out of commission as far back as February. I'm moving from Holmdel to Lincrof, about 3 miles away. I apologize for the delay.

Cheers,
Bob
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Old 22nd October 2017, 03:27 PM   #8269
davada is offline davada  Canada
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Downsizing is good. It means less house for your wife to clean and prevents the kids from moving back in.

Hope you get your shop back up and running soon.

As for the book prices, it might be nothing more than a manipulation to get the still high priced of 200.00 to sell.
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Old 22nd October 2017, 03:41 PM   #8270
scott wurcer is online now scott wurcer  United States
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Quote:
Originally Posted by jan.didden View Post
Those prices are set by the seller, not by amazon. Anything goes - only one sucker required, and you're done!
So, Andrew, your $ 900 is about half price ;-)

Jan
I've seen print copies of some of our app books (now free downloads) going for $275.00.
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