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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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In Reply to: Re: So..... posted by jneutron on April 30, 2004 at 11:48:19:
You asked:Do you know if the resistor was put there because they already knew what I was talking about? Or was it put there because it somehow reduced hum and interference, placed randomly there because it "sounded better". But yah, I would expect it to lower the Iloop..
I use it in the stuff I build to "disconnect" the protective ground from the signal ground enough to discourage these ground loop currents but maintain ground potential. I tend to use something in the 5-10 ohms range for line-level electronics. I started doing it because it seemed like a good way to cut ground loops; can't say I've ever tested the sonic effect....
BTW, it wasn't my idea; I think I first saw this technique in an article by Ben Duncan about 20 years ago.
Perhaps JC or Dan B would weigh in on its applicability to power amps?
Peter
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Follow Ups
- It's like this.... - Commuteman 09:06:19 05/03/04 (1)
- Re: It's like this.... - jneutron 08:20:16 05/04/04 (0)
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