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Old 21st February 2008, 07:15 PM   #1
poynton is offline poynton  United Kingdom
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Default Tube Construction Handbook

Some may find this manual useful :-



http://www.box.net/shared/static/yvqz031bp5.pdf


It is big 23MB so a download manager may be useful.


Andy
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Old 21st February 2008, 07:45 PM   #2
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Very odd. There are big copyright warnings all over it. However, much, if not most of the information is simply scanned from various books and sources. Some of this is likely in the public domain, some probably isn't, but there is no attribution so it is hard to tell. The rest is a list of places to buy things online, and opinions from the "creator" as to what schematics are good, why you should build your chassis out of copper instead of aluminum, etc.
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Old 21st February 2008, 08:13 PM   #3
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Yea...very sketchy, I hope noone payed for that, cause much more useful information is available free from pmillett...this tnewcamp guy is a crook
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Old 21st February 2008, 08:24 PM   #4
poynton is offline poynton  United Kingdom
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I did not pay for it.

I asked how a huge file like that was to be sent...

and he sent it to me, by return email ! free!

As already commented, most of it is available in the public domain.
I am sure I have many of the diagrams already downloaded off the net and as for claiming copyright for blatantly copied pages....

Still, someone may find it useful.

Andy
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Old 21st February 2008, 08:40 PM   #5
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Good thing you didn't...

A little research brings this up:

http://cgi.ebay.com/VACUUM-TUBE-AMPL...QQcmdZViewItem

dang

I think if anyone has to worry about copyrights, it's him
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Old 21st February 2008, 09:14 PM   #6
poynton is offline poynton  United Kingdom
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Yes, thats the guy I got it from.

I was looking for Morgan Jones book and found tnewcamp instead.

As I said, he just sent me the link without any payment!

One thing he does have is a list of fake tubes.

Andy
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Old 21st February 2008, 09:39 PM   #7
jnb is offline jnb  Australia
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But Hurry! He only has 2 pdf downloads left!
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Old 21st February 2008, 10:30 PM   #8
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It's OK, I suppose, but it's not worth any $10.00 either. He barely covers the basics, and if you know enough to fill in the gaps, then you don't need anything he discusses here.
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Old 21st February 2008, 11:00 PM   #9
kevinkr is offline kevinkr  United States
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He's lifted stuff from the JC Morrison Tube Audio Primer, Jean Hiraga's French language "Initiation aux amplis a tube" which is currently out of print it appears, publisher was Editions LED and it's currently listed on http://www.amazon.fr/Initiation-aux-.../dp/2100052691 - if you read French this is a wonderful book, it is basically what got me interested in SE amps in the first place and Japanese audio trends in general.

There is a lot of other material lifted from places like Musen To Jikken, old text books, etc.

Kind of ironic since he seems to be republishing copyrighted material belonging to others..
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Old 22nd February 2008, 12:21 AM   #10
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The first 30 pages appear to be from "Electron Tube Circuits" 1st ed. by Samuel Seely. 1950

"Making Use of Loadlines" from Radio and Television News, Nov. 1955

Datasheet for WE300B.

Bunch of schematics selected off the Web or magazines apparently, mostly SE using 300B. Some others for 211, 6CK4, 2A3, 6B4, 807, 845, 811, VT52

Looks like you can print pages from the .pdf if you find a schematic you want, but it won't let me save the file.
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