Sine Design

Eminence LEGEND-BP-1525

subwoofer · EBP 64 → suits either box · nominal (full) — Eminence datasheet (https://cdn.shopify.com/s/files/1/0270/8665/1462/files/Legend_BP1525.pdf)

Thiele/Small parameters

Fs (resonance)32 Hz
Qts0.48
Qes / Qms0.5 / 11.21
Vas397.0 L
Re / nominal Z6.65 Ω / 8 Ω
Xmax6.2 mm
Sensitivity96.0 dB (1 W/1 m, calc); 96.6 dB (2.83 V/1 m, mfr)
Power handling350 W

Published (nominal) values, params full — verify by measurement (DATS/REW) before building.

Datasheet (PDF) ↗ — manufacturer-hosted

Recommended enclosures

Sealed (Qtc 0.707) — Vb339.5 L
Sealed — Fc / F347.1 / 47.1 Hz
Ported (suggested) — Vb704.6 L
Ported — Fb / F326.8 / 24.3 Hz
Open in designer →Use my measured parameters →Buy at Parts Express →

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About this driver

The Eminence LEGEND-BP-1525 is a 16″ subwoofer with a free-air resonance of 32 Hz and a total Q (Qts) of 0.48. Its efficiency-bandwidth product (EBP) of 64 points toward either alignment. In a 339.5 L sealed box it reaches an F3 of 47.1 Hz (Qtc 0.707); a suggested 704.6 L box tuned to 26.8 Hz extends to about 24.3 Hz. See the sealed vs ported guide for how to choose.

Recommended partners

modeled estimate

The tweeters below pair well with the Eminence LEGEND-BP-1525 in a two-way design — each grade is a modeled estimate of the crossover match, with a suggested crossover point. Open any pair in the guided builder to design the crossover and total the parts.

Modeled estimate from T/S + geometry — no measurements. The verdict is robust; it improves with measured FRD/ZMA data.

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