<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content="text/html; charset=iso-8859-1" http-equiv=Content-Type>
<META content="MSHTML 5.00.3013.2600" name=GENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><FONT size=2>I have a friend with a SB 200 and get 2350 plate
volts.</FONT></DIV>
<DIV><FONT size=2>use can use a small wire wound pot to get mater reading
</FONT></DIV>
<DIV><FONT size=2>correct.</FONT></DIV>
<DIV><FONT size=2>I used a HV probe with FLUKE 87 and read 2356V jumped a little
with line changes.</FONT></DIV>
<DIV><FONT size=2>With age the HI ohm resistors drift and meter
will</FONT></DIV>
<DIV><FONT size=2>not read the correct volts.</FONT></DIV>
<DIV><FONT size=2>You can change resistors with metel film or oxide 2
watt</FONT></DIV>
<DIV><FONT size=2>4.7M ohm.</FONT></DIV>
<DIV><FONT size=2>I added a small pot 2W wire wound to get meter
reading</FONT></DIV>
<DIV><FONT size=2>correctly.</FONT></DIV>
<DIV><FONT size=2>USE a good HV meter to start with.</FONT></DIV>
<DIV><FONT size=2>Whatch out for 2350 volts!!!!</FONT></DIV>
<DIV> </DIV>
<DIV><FONT size=2>The Svetlana 572B work real well in this amp.</FONT></DIV>
<DIV><FONT size=2>The US brand tubes were great also.</FONT></DIV>
<DIV><FONT size=2>I wouldent put china 572B tubes in this amp </FONT></DIV>
<DIV><FONT size=2>but will try china 572B in place of 811A tubes</FONT></DIV>
<DIV><FONT size=2>some day.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT size=2>73's</FONT></DIV>
<DIV><FONT size=2>Robert</FONT></DIV>
<DIV> </DIV></BODY></HTML>