4 ohm or 8 ohm sound?

gzman71 · 16th April 2011, 10:44 PM

Hi all,new here and wondered what your thoughts are regarding ohms vs sound?
I have a pair of Klipsch kg4's that are rated 6 ohms but my amp ..............( yaqin mc-10L) only has 4 or 8 ohms.
What would be best for these speakers and would the sound change?
thanks..gzman71

Jay · 17th April 2011, 01:41 AM

No speaker has a flat impedance from 20Hz to 20kHz. So that 6 Ohm is only a "conventional" way to specify it's impedance (it is not minimum impedance either). It will be above 10 Ohm at 20KHz, and could possibly be close to 4 Ohm at around 100 Hz.

Going up and down a little bit with the amp (4/8 Ohm) will not create serious problem.

In general, using 8 Ohm, you will have longer life tubes, worse quality sound, but all is only marginally.

Theoretically, depends on many things, a 4 Ohm tap could give you a better or worse sound, but most of the time better, in bass quality. Whether you can hear it or not, that's the question. I doubt you can. I'll prefer using 4 Ohm.

gzman71 · 17th April 2011, 01:51 AM

thanks for the explanation.............i'll try 4 ohm and see how it sounds.

16th April 2011, 10:44 PM	#1
gzman71 diyAudio Member Join Date: Apr 2011	4 ohm or 8 ohm sound? Hi all,new here and wondered what your thoughts are regarding ohms vs sound? I have a pair of Klipsch kg4's that are rated 6 ohms but my amp ..............( yaqin mc-10L) only has 4 or 8 ohms. What would be best for these speakers and would the sound change? thanks..gzman71

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17th April 2011, 01:41 AM	#2
Jay diyAudio Member Join Date: Feb 2003 Location: Jakarta	No speaker has a flat impedance from 20Hz to 20kHz. So that 6 Ohm is only a "conventional" way to specify it's impedance (it is not minimum impedance either). It will be above 10 Ohm at 20KHz, and could possibly be close to 4 Ohm at around 100 Hz. Going up and down a little bit with the amp (4/8 Ohm) will not create serious problem. In general, using 8 Ohm, you will have longer life tubes, worse quality sound, but all is only marginally. Theoretically, depends on many things, a 4 Ohm tap could give you a better or worse sound, but most of the time better, in bass quality. Whether you can hear it or not, that's the question. I doubt you can. I'll prefer using 4 Ohm.

17th April 2011, 01:51 AM	#3
gzman71 diyAudio Member Join Date: Apr 2011	thanks for the explanation.............i'll try 4 ohm and see how it sounds.

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