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Below is a DATS measurement of the Scanspeak 26W4867T00, aluminum cone version.

The manufacturer uses a large signal for specifications, while DATS use a small signal. Hence, a discrepancy.

QES is higher than published. No surprise here.

scan speak 26w4867t00

Below is a DATS measurement of the Scanspeak 32W4878T00 with a paper sandwich cone.

Manufacturer uses a large signal for specifications, while DATS uses a small signal. Hence, a discrepancy.

QES is higher than published. No surprise here.

scan speak 32w4878t00
ftr-4080F.JPG

Below is a DATS measurement of the Celestion FTR-4080F

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