Sine Design

Peerless by Tymphany SLS-P830668

subwoofer · EBP 54 → suits either box · nominal (full) — Tymphany / Parts Express spec sheet

Thiele/Small parameters

Fs (resonance)32 Hz
Qts0.55
Qes / Qms0.59 / 7.1
Vas72.8 L
Re / nominal Z5.6 Ω / 8 Ω
Xmax8.3 mm
Sensitivity87.9 dB (1 W/1 m, calc); 87.9 dB (2.83 V/1 m, mfr)
Power handling70 W

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

Recommended enclosures

Sealed (Qtc 0.707) — Vb111.6 L
Sealed — Fc / F341.1 / 41.1 Hz
Ported (suggested) — Vb202.5 L
Ported — Fb / F323.3 / 20.4 Hz

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About this driver

The Peerless by Tymphany SLS-P830668 is a 10″ subwoofer with a free-air resonance of 32 Hz and a total Q (Qts) of 0.55. Its efficiency-bandwidth product (EBP) of 54 points toward either alignment. In a 111.6 L sealed box it reaches an F3 of 41.1 Hz (Qtc 0.707); a suggested 202.5 L box tuned to 23.3 Hz extends to about 20.4 Hz. See the sealed vs ported guide for how to choose.

SLS series; Vas 2.57 ft3 = 72.8 L; max power 140 W; PE 264-1110.

Recommended partners

modeled estimate

The tweeters below pair well with the Peerless by Tymphany SLS-P830668 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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