Sine Design

Eminence LEGEND-CA1059

woofer · EBP 171 → suits a ported box · nominal (full) — Eminence datasheet (https://cdn.shopify.com/s/files/1/0270/8665/1462/files/Legend_CA1059.pdf)

Thiele/Small parameters

Fs (resonance)48 Hz
Qts0.26
Qes / Qms0.28 / 3.27
Vas71.4 L
Re / nominal Z5.53 Ω / 8 Ω
Xmax4.7 mm
Sensitivity96.3 dB (1 W/1 m, calc); 98.7 dB (2.83 V/1 m, mfr)
Power handling250 W

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

Datasheet (PDF) ↗ — manufacturer-hosted

Recommended enclosures

Sealed (Qtc 0.707) — Vb11.2 L
Sealed — Fc / F3130.5 / 130.5 Hz
Ported (suggested) — Vb16.7 L
Ported — Fb / F375.2 / 90.1 Hz
Open in designer →Use my measured parameters →Buy at Parts Express →

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About this driver

The Eminence LEGEND-CA1059 is a 10.5″ woofer with a free-air resonance of 48 Hz and a total Q (Qts) of 0.26. Its efficiency-bandwidth product (EBP) of 171 points toward a ported alignment. In a 11.2 L sealed box it reaches an F3 of 130.5 Hz (Qtc 0.707); a suggested 16.7 L box tuned to 75.2 Hz extends to about 90.1 Hz. See the sealed vs ported guide for how to choose.

Recommended partners

modeled estimate

The tweeters below pair well with the Eminence LEGEND-CA1059 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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