Sine Design

Dayton Audio RSS315HO-44

subwoofer · EBP 52 → suits either box · nominal (full) — Dayton Audio datasheet (https://www.daytonaudio.com/images/resources/295-467--rss315ho-44-reference-ho-dvc-subwoofer-specifications.pdf)

Thiele/Small parameters

Fs (resonance)21.5 Hz
Qts0.37
Qes / Qms0.41 / 3.7
Vas61.3 L
Re / nominal Z6.5 Ω / 4 Ω
Xmax14.0 mm
Sensitivity83.5 dB (1 W/1 m, calc); 84.6 dB (2.83 V/1 m, mfr)
Power handling700 W

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

Datasheet (PDF) ↗ — manufacturer-hosted

Recommended enclosures

Sealed (Qtc 0.707) — Vb23.1 L
Sealed — Fc / F341.1 / 41.1 Hz
Ported (suggested) — Vb46.1 L
Ported — Fb / F323.5 / 23.8 Hz

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About this driver

The Dayton Audio RSS315HO-44 is a 12.5″ subwoofer with a free-air resonance of 21.5 Hz and a total Q (Qts) of 0.37. Its efficiency-bandwidth product (EBP) of 52 points toward either alignment. In a 23.1 L sealed box it reaches an F3 of 41.1 Hz (Qtc 0.707); a suggested 46.1 L box tuned to 23.5 Hz extends to about 23.8 Hz. See the sealed vs ported guide for how to choose.

Recommended partners

modeled estimate

The tweeters below pair well with the Dayton Audio RSS315HO-44 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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