Home Speaker Asylum

General speaker questions for audio and home theater.

RE: Zu Soul Supreme sensitivity

There is an international standard for measuring loudspeakers:

https://webstore.iec.ch/publication/1224

Sensitivity is measured with an input of 2.83V into a single speaker, measured with the microphone on axis at 1m under anechoic conditions.

You don't need to use the same make and model of measuring equipment. Measuring equipment is supposed to be professionally calibrated so that different makes and models produce the same results from the same item under test.

Most loudspeaker manufacturers who actually engineer their loudspeakers have calibrated measuring equipment and publish sensitivity ratings that can be compared.



Edits: 05/27/17

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