Speaker Asylum General speaker questions for audio and home theater.

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Perhaps

Posted by E-Stat (A) on December 22, 2023 at 15:59:06

In Reply to: Speakers specs question posted by tube524 on December 22, 2023 at 15:22:24:

you might want to read Stereophile's multi-part series on measuring loudspeakers.

Part 1

Part 2

Part 3

Short answers are:

The +/- value in dB states the variance over the stated range. Usually such measurements are taken at a fixed distance like one meter and at a reference level.

Ideally, you want zero variance in output across the "traditional" 20 hz to 20 kHz range from the source. Actually, a 64' pipe organ goes down to 8 hz and many instruments have overtones > 30 kHz. Having said that, our ear varies in sensitivity over the ten octave range. Some (like me) prefer a smooth response but tilted slightly up at the bottom and slightly down at the bottom for the most natural sounding response.

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