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1 Posted on 12/23/2015 at 10:54:21
Read the article
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2 Posted on 12/23/2015 at 22:53:22
Good article very clear written but i have one point / question
You need 4 x 8ohm speakers to get to a value of 2ohms in total.
Or did you choose the number 3 to be on the save side?
It's not about what you got to use but how you use what you got.
[ Post last edited on 12/23/2015 at 22:54:48 ]
3 Posted on 12/24/2015 at 05:25:28
Good question. I'll contact the author to get a clarification.
4 Posted on 12/28/2015 at 03:31:51
Thank you for your comment and sorry for the delay,
your question is exactly the point where I run short of scientific explanations, indeed. I place myself from a practical point of view. It is true that I preferred being cautious when I gave advice to plug only 3 x 8 ohm speakers in parallel on an amp output that can stand 2 ohm.
Depending on the amp quality, the scientific rigour of the measurement of the impedance of the speakers and the conditions of use, plugging more than 3 is running a risk of an amp failure because of heat. But to be honest, I did use 2 x 4 ohm in parallel on a 2 ohm rated amp output, without any problem for the time of a concert. Nevertheless, prudence is a good guide.
With impedance, everything is about a ratio between the output and the input, I believe that depending on the quality of the amp, the security margin can vary between set-ups, even though they have the same ratings.