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    <font size="+1">Vic,<br>
      <br>
      I have used the models at Duncan Amps to add other tubes to LT
      Spice:<br>
      <br>
      <a class="moz-txt-link-freetext" href="http://www.duncanamps.com/technical/ltspice.html">http://www.duncanamps.com/technical/ltspice.html</a><br>
      <br>
      <br>
      You might also want to look at Norman Koren's site:<br>
      <br>
      <a class="moz-txt-link-freetext" href="http://www.normankoren.com/Audio/Tubemodelinstr.htm">http://www.normankoren.com/Audio/Tubemodelinstr.htm</a><br>
      <br>
      <br>
      Steve Mulder<br>
      <br>
      <br>
    </font><br>
    On 2/14/2011 1:50 PM, Vic Gagliano wrote:
    <blockquote cite="mid:000c01cbcc88$c6be7420$543b5c60$@net"
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          <p class="MsoAutoSig"><b><i><span style="font-family:
                  "Comic Sans MS"; color: rgb(0, 112, 192);">Hey
                  Anchorites,<o:p></o:p></span></i></b></p>
          <p class="MsoNormal"><b><i><span style="font-size: 11pt;
                  font-family: "Comic Sans MS"; color: rgb(0,
                  112, 192);">Anybody know a good tube CAD program? Lt
                  SPICE IV only has tetrodes in it.<o:p></o:p></span></i></b></p>
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