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Hello All,<br>
<br>
<blockquote type=cite cite>With the high impedance of tubes... if you
want to get "zero"<br>
interaction through the supply you should go
separates.</blockquote><br>
Don't confuse the impedance of the tube's grid-cathode circuit with the
source impedance of the power supply.. Tube sections are actually LESS
likely to interact, as the currents they draw are less than similar
solid-state devices. Assuming supplies of similar impedance (probably not
safe :) interactions should be less. <br>
<br>
The interaction fear stemms from the fact that it is a little harder to
regulate a 400-600V circuit than a 12V circuit in a world of
7812-like devices.<br>
<br>
In an audio circuit, it is not uncommon to have several progressive
stages all powered off of the same supply, or at least decoupled nodes of
the same supply.<br>
<br>
<br>
<div>+----------------------------------------------------------+</div>
<div>| "The" Bill Layer -
Frogtown, Minnesota. U.S.A. |</div>
<div>| Vacuum tubes, Analog, Motorcycles and Other Alternatives |</div>
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<div>| <blayer@uswest.net> | |
<b.layer@vikingelectronics.com> |</div>
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