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<DIV><FONT size=2>I have noticed on my home made AMP using 4 6MJ6</FONT></DIV>
<DIV><FONT size=2>tubes,when tunning with a dip in plate current.</FONT></DIV>
<DIV><FONT size=2>which some one told here ,</FONT></DIV>
<DIV><FONT size=2>I got a little more grid current.</FONT></DIV>
<DIV><FONT size=2>but not to much.</FONT></DIV>
<DIV><FONT size=2>when tunning for a peek in output,it works</FONT></DIV>
<DIV><FONT size=2>fine.AM using peek for mod.</FONT></DIV>
<DIV><FONT size=2>very close to that tunning is a dip in grid
current.</FONT></DIV>
<DIV><FONT size=2>so I tuned for a dip in grid current and AM was even
better</FONT></DIV>
<DIV><FONT size=2>and had plenty of foward swing.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT size=2>Did any one here use PRO_TEK 811A tubes in</FONT></DIV>
<DIV><FONT size=2>heath kit?</FONT></DIV>
<DIV><FONT size=2>I found them for $15 each from D&C electronics in
FL.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT size=2>I did try to get SVETLANA 811A but no longer
made.</FONT></DIV>
<DIV><FONT size=2>There 572B tubes are $235 matched quad.</FONT></DIV>
<DIV><FONT size=2>OUCH!</FONT></DIV>
<DIV> </DIV>
<DIV><FONT size=2>Working on heath kit Warrior now.just rebult power
supply.</FONT></DIV>
<DIV><FONT size=2>I only have china 811A tubes left.</FONT></DIV>
<DIV><FONT size=2>work great for testing but not very good tubes.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT size=2>73's</FONT></DIV>
<DIV><FONT size=2>Robert</FONT></DIV></BODY></HTML>