[AMPS] UrgentSwedish questions

Sun, 23 Jan 2000 21:25:11 +0000

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Questions to those who know:

Is there anybody who has experience of inserting new SVETLANA 572Bs in a
HEATH SB200? Any risk for parasitics that the original tubes did not have?

Another question: I am just repairing for a friend a HEATH SB1000 and on 160
the  switch contacts  that connects the C26 270 pF doorknob are both burned.
It seems that the switch could not take the current through this condenser?
Is this a often found problem in this amplifier? Where do I find a new
switch ? I am planning to let the new switch contacts actuate a small high
frequency relay that handles this hf current??

The toroid on 160 is red not yellow, by the way. Any comments?

Hej daa de Hans

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<HTML>
<HEAD>
<TITLE>UrgentSwedish questions</TITLE>
</HEAD>
<BODY BGCOLOR=3D"#FFFFFF">
<BLOCKQUOTE> 
 
Questions to those who know: 
 
Is there anybody who has experience of inserting new SVETLANA 572Bs in a HE=
ATH SB200? Any risk for parasitics that the original tubes did not have? 
 
Another question: I am just repairing for a friend a HEATH SB1000 and on 16=
0 the &nbsp;switch contacts &nbsp;that connects the C26 270 pF doorknob are =
both burned. It seems that the switch could not take the current through thi=
s condenser? Is this a often found problem in this amplifier? Where do I fin=
d a new switch ? I am planning to let the new switch contacts actuate a smal=
l high frequency relay that handles this hf current?? 
 
The toroid on 160 is red not yellow, by the way. Any comments? 
 
Hej daa de Hans</BLOCKQUOTE>
</BODY>
</HTML>

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