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Old 25th April 2005, 09:46 PM   #31
thedoctor is offline thedoctor  United States
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Default Basic tube stuff

I always refer folk to: http://sound.westhost.com/amp-basics1.htm
Very clear and good drawing references. Should get a person started.
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Old 22nd May 2005, 05:42 PM   #32
PassFan is offline PassFan  United States
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Here is a link for scratch building a complete tube amp. I am posting it here as I have occasion to go back to it from time to time and I'm tired of searching for it.


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Old 12th June 2005, 07:28 PM   #33
Bas Horneman is offline Bas Horneman  Netherlands
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And a link to Craig Ryder's post.
If you can see the speaker cone move...it's not hifi.
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Old 16th June 2005, 07:23 AM   #34
kenev is offline kenev  Greece
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Yet, another useful site with extensive information:

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Old 1st July 2005, 12:35 AM   #35
wussboy is offline wussboy  Canada
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Thanks so much to everyone for posting this information. I've been reading for days, and now I feel like I only am confused by 98% of what I see! Today I looked at a schematic on this site and understood that it was single-end, what the two tubes were for, and why the output transfomer (or OPT, as I learned after hours of confusion) was where it was. I still feel completely overwhelmed but I'll plug on because I WANT MY TUBE AMP!!
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Old 7th August 2005, 06:16 PM   #36
rdf is offline rdf  Canada
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An excellent introduction to tube behaviour:

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Old 22nd August 2005, 04:42 AM   #37
fred76 is offline fred76  Philippines
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just found this:


(mods pls. delete if posted before)
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Old 8th November 2005, 10:02 PM   #38
staggerlee is offline staggerlee  United States
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Default MIT OpenCourseWare

MIT OpenCourseWare has loads of their EE offerings online:

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Old 9th December 2005, 05:42 PM   #39
Dominique_free is offline Dominique_free  Switzerland
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It is very valuable information on that site:

The english articles are using the US theory that is based on the conductance and the german articles are based on the perveance. Those german books are very interessant because the perveance is much more constant as the conductance when a tube is doing some dynamic work, even if at the end, the final result of a calculation must be the same.

German is not my cup of tee, but it is always the math...

Some books are very easy to read, other are very tecnical.
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Old 7th January 2006, 10:51 PM   #40
Tweeker is offline Tweeker  United States
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The BoatAnchor Manual Archive.
Be sure your foil hat has a good low impedance ground.
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