Re: Info on designing Tube circuits wanted
- From: "West" <nospam@xxxxxxx>
- Date: Mon, 29 Oct 2007 06:59:34 GMT
"Peter Wieck" <pfjw@xxxxxxx> wrote in message
news:1193614016.736576.300860@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
And whatever you do and whomever you emulate, let it not be Andre.
What you will get from this source is non-working designs using
boutique tubes of questionable utility with uniformly wretched
results.
Most everyone else here has given you reasonable and independently
verifiable advice. Patrick Turner has forgotten more about tube
systems and design than the rest of the NG collectively.
The advice I would give if you have the time and the patience would be
to obtain a full-stock Dynaco ST-70 and take it through any and many
of the various modifications that surround its design from its
initiation into the Audio Market in 1961 - ultimately ending with
Patricks design.
You will learn more about the care and feeding of tube amps from that
process in a measured and well-supported environment than most other
options. This is by no means the only way to go, but it is a way to
take a proven, common design through vast numbers of proven
modifications - and at a relatively low cost using easily obtained
parts. You should be able to take an ST-70 through most of its
potential paces for less cost than the simple cost of tubes for an
"Andre Special" amp.
Peter Wieck
Wyncote, PA
Hello New Timer,
There is nothing I can really add to all the fine advice you have already
received except to say that "Rome wasn't built in a Day," and also to be
extremely cautious when working with the potential lethal voltages in tube
equipment.
The next caution I would like to present to you is one that is not too easy
for me to say. I do feel that it is necessary and hope it doesn't give you
the wrong impression about this otherwise fine, at times kooky, rest of the
members. I apologize for Peter Wieck who just posted a rather unfair
inflammatory message to you regarding another member (Andre Jute).
Check out Andre's Web site ( http://members.lycos.co.uk/fiultra/ ) and
you'll soon discover that he is a brilliant man revered by many
professionals in the field. He has written many equipment reviews for
various tube audio magazines and has published several books. He and Patrick
Turner maintain a very comprehensive site that covers many aspects, both
theoretical and hands on approach, of tube electronics. They are the dynamic
duo backbone of this fine august group.
Of course, Peter Wieck hasn't written anything except these type posts that
are designed to "poison the well" of another fine thread, especially one
written by a newcomer.
If you ever watched the movie "Amadeus," think of Mr.Wieck as Salieri and
Andre as Mozart. I think you can get the picture.
Please feel free to ask any questions no matter how basic you may think they
are and again, welcome.
Cordially,
west
.
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