wirewound resistors are coils.

holger honda · 30th March 2005, 01:14 AM

Hello.
Im making a attenuation circuit and I notice that not only does
the overall level of the tweeter get less as wanted but also the higher freqs gets duller.Now this might not be so strange since a big resistor usually is a wire around a string with some sort of coating.IE A COIL!
Well a coil paralell with the tweeter would change the overall responce,would it not?
So then I start to think..what resistors would be able to do the job without acting like a coil?
In the mouser catalog there where many options.
What say you audiowizards?What is the best way to add resistance without using coils?
Lots of 1w metal film resistors?

AudioFreak · 30th March 2005, 01:31 AM

You can get high power non-inductive resistors.

Steve Eddy · 30th March 2005, 01:31 AM

What you do is use some non-inductive wirewound resistors that use Aryton-Perry windings such as those made by Mills Resistor and stocked by Michael Percy among others.

se

DirkD · 30th March 2005, 10:11 AM

Try the Lynx resistors frome Solen - www.solen.ca or Eagle MOX resistors from Madisound. Both sound very good and are cheaper than Mills.

Dirk

30th March 2005, 01:14 AM	#1
holger honda diyAudio Member Join Date: Jan 2004 Location: chico CA	wirewound resistors are coils. Hello. Im making a attenuation circuit and I notice that not only does the overall level of the tweeter get less as wanted but also the higher freqs gets duller.Now this might not be so strange since a big resistor usually is a wire around a string with some sort of coating.IE A COIL! Well a coil paralell with the tweeter would change the overall responce,would it not? So then I start to think..what resistors would be able to do the job without acting like a coil? In the mouser catalog there where many options. What say you audiowizards?What is the best way to add resistance without using coils? Lots of 1w metal film resistors? __________________ thanks for reading. H.Honda Chico CA Land of the fooled

30th March 2005, 01:31 AM	#2
AudioFreak Warp Engineer On Holiday Join Date: Oct 2001 Location: Queensland, Australia	You can get high power non-inductive resistors. __________________ - Dan

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30th March 2005, 01:31 AM	#3
Steve Eddy diyAudio Member Join Date: Sep 2002 Location: Sacramento, CA	What you do is use some non-inductive wirewound resistors that use Aryton-Perry windings such as those made by Mills Resistor and stocked by Michael Percy among others. se

30th March 2005, 10:11 AM	#4
DirkD diyAudio Member Join Date: May 2004 Location: Paarl, South africa	Try the Lynx resistors frome Solen - www.solen.ca or Eagle MOX resistors from Madisound. Both sound very good and are cheaper than Mills. Dirk

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