Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!rpi!uupsi!mpoint!ritz
From: ritz@msb.com (Chris Mauritz)
Newsgroups: sci.electronics
Subject: Fan for my amp revisited
Message-ID: <1991Apr17.022927.7094@msb.com>
Date: 17 Apr 91 02:29:27 GMT
Organization: Meetpoint Station BBS
Lines: 25

Someone was kind enough to send me a message saying that controlling
the speed of an AC fan was not as simple as adding a pot.  OK,
how about I use a DC fan and siphon off power from the power supply
for the amp?  The power supply seems to be hefty.  Would there
be any danger that a small DC muffin fan would draw enough current
to affect the amplifier in any negative way?

Another question, I've opened the amp to see what kind of DC 
power comes out of the power supply.  It says +17v, but my
trusty little voltmeter says +20v.  Would I need to get a
20v fan or can I use a 12v fan with some sort of resistance
to chop the voltage.

Any help would be greatly appreciated.  As you can see, I'm
a bit confused. :-)

Cheers,

Chris

-- 
------------------------------------+---------------------------------------
Chris Mauritz                       |People are strange
ritz@msb.com                        |when you're a stranger.
Copyright (C) 1991                  |The Doors-