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  1. #1
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    John Devore talks measured efficiency

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  2. #2

    Re: John Devore talks measured efficiency

    Out of all the reasons to get into building speakers, that was the one?

  3. #3
    Senior Member
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    Re: John Devore talks measured efficiency

    thanks for the post -- as a SET tube amp devoté, i am always hyper-focused on speaker efficiency.

    although an interesting and informative video around the measurement(s) used to calculate speaker efficiency, the real take-away is that an at least equally important aspect of speaker efficiency is it's impedance curve -- which is what i think john deVore was really trying to get at.

    it would certainly be helpful if speaker manufacturers would list the impedance curve along with all the other specifications or at the very least list a minimum impedance value.

    i remember the impedance of my old jm labs megaine speakers being listed as 8 ohms (min: 4.1 ohms). however, i can't remember seeing this type information on any speaker i have looked at recently.
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  4. #4
    Senior Member
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    Re: John Devore talks measured efficiency

    Quote Originally Posted by aKnyght View Post
    i remember the impedance of my old jm labs megaine speakers being listed as 8 ohms (min: 4.1 ohms). however, i can't remember seeing this type information on any speaker i have looked at recently.
    KEF publishes minimum impedance. Not many brands do. It is a helpful bit of information.
    Morgan

    NEW SYSTEM UNDER CONSTRUCTION

  5. #5
    Senior Member
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    Re: John Devore talks measured efficiency

    I enjoy watching the DeVore videos. He speaks his mind and I like that. He comes across as genuine and doesn’t oversell his products.

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John Devore talks measured efficiency

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