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Amp Load for Testing

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Posted on July 7, 2022 at 05:08:10
DIY John
Audiophile

Posts: 441
Joined: November 29, 2001
 I just happen to have two Dale PH-100 (100 watt) power resistors in 9 ohm value. There is almost no chance these are anything but wirewound and they probably are inductive. Is it possible to use these as dummy loads for an amplifier under test? Advisable? What are the downsides of using an inductive wirewound? Any help appreciated.

Thanks,
John

 

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RE: Amp Load for Testing, posted on July 7, 2022 at 06:31:26
airtime
Audiophile

Posts: 11287
Location: Arizona
Joined: February 4, 2003
 I've been using a set of wirewounds I bought from Radio Shack for years. Haven't had any problems yet.

 

RE: Amp Load for Testing, posted on July 7, 2022 at 08:17:03
Triode_Kingdom
Audiophile

Posts: 10049
Location: Central Texas
Joined: September 24, 2006
 Standard wirewound power resistors are fine for this. I have never purchased non-inductive resistors for audio loads.

 

I'm overthinking it!, posted on July 7, 2022 at 09:46:42
DIY John
Audiophile

Posts: 441
Joined: November 29, 2001
 Thanks TK and airtime for setting me straight!

 

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