Sine Design

Wavecor WF118WA01

midwoofer · EBP 168 → suits a ported box · nominal (full) — Wavecor datasheet (https://www.wavecor.com/Driver%20specifications%20PDF/WF118WA01_02_specifications.pdf)

Thiele/Small parameters

Fs (resonance)64 Hz
Qts0.36
Qes / Qms0.38 / 8.8
Vas4.3 L
Re / nominal Z3.2 Ω / 4 Ω
Xmax3.0 mm
Sensitivity86.6 dB (1 W/1 m, calc); 89 dB (2.83 V/1 m, mfr)

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

Datasheet (PDF) ↗ — manufacturer-hosted

Recommended enclosures

Sealed (Qtc 0.707) — Vb1.5 L
Sealed — Fc / F3125.7 / 125.7 Hz
Ported (suggested) — Vb3.0 L
Ported — Fb / F371.9 / 73.8 Hz
Open in designer →Use my measured parameters →Buy at Parts Express →

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About this driver

The Wavecor WF118WA01 is a 4″ midwoofer with a free-air resonance of 64 Hz and a total Q (Qts) of 0.36. Its efficiency-bandwidth product (EBP) of 168 points toward a ported alignment. In a 1.5 L sealed box it reaches an F3 of 125.7 Hz (Qtc 0.707); a suggested 3.0 L box tuned to 71.9 Hz extends to about 73.8 Hz. See the sealed vs ported guide for how to choose.

Recommended partners

modeled estimate

The tweeters below pair well with the Wavecor WF118WA01 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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