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What is the benefit of low efficiency speakers?

I know 8 ohm speakers are easier to drive than 4 ohm speakers, and most decent amps can drive nearly anything, but why are some speakers made with loads that drop down to two or one ohms?

Are they designed to cause, or allow some certain aspect of the sound to come through that would not otherwise be heard? What's the point of making a very difficult to drive speaker? Did that sentence make sense?
uppermidfi

Showing 1 response by drrdiamond

drrdiamond
671 posts
 
First of all, the resistance (ohms) of a speaker have nothing to do with sensativity.

Sensativity is usually stated in how much volume (in db's) is produced with one watt of input.

I think you should buy Robert Harley's book on high end audio. It may answer many of your questions.

Richard
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