Sine Design

Peerless by Tymphany STW-350F188PR01-04

subwoofer · EBP 45 → suits a sealed box · nominal (full) — Peerless by Tymphany datasheet (https://products.peerless-audio.com/pdf/1669)

Thiele/Small parameters

Fs (resonance)21 Hz
Qts0.46
Qes / Qms0.47 / 14.6
Vas90.3 L
Re / nominal Z12 Ω / —
Xmax22.4 mm
Sensitivity—

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

Datasheet (PDF) ↗ — manufacturer-hosted

Recommended enclosures

T/S are full — fetch the datasheet for the full parameters to model a box.

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About this driver

The Peerless by Tymphany STW-350F188PR01-04 is a 15.5″ subwoofer with a free-air resonance of 21 Hz and a total Q (Qts) of 0.46. Its efficiency-bandwidth product (EBP) of 45 points toward a sealed alignment. See the sealed vs ported guide for how to choose.

Recommended partners

modeled estimate

The tweeters below pair well with the Peerless by Tymphany STW-350F188PR01-04 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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