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General speaker questions for audio and home theater.

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RE: Zu Soul Supreme sensitivity

Posted by Dave_K on May 27, 2017 at 07:38:44:

I can't speak for Zu but in my AN E's case - Audio Note measures "both" speakers in room from a corner loaded position. In other words - what you will get with real world results in the ACTUAL way you will use the loudspeakers in 99% of all cases. The corner of a room adds 18dB of gain in the bass (9dB from each speaker) and 3dB of gain in sensitivity from the corner position. Martin Colloms who is a degree holding engineer and was the measurements taker at Stereophile for years got the same number (in fact slightly better) than AN's published number. Hi-Fi Choice also measured both the J and E and got the numbers AN produced. Only JA doesn't.

If that is the way Audio Note specifies sensitivity, then it is useless because it is impossible to compare to other speakers. Once you bring room gain into the measurement, you can't compare your result with others unless they are also measured in the same position in the same room from the same distance.