Peerless by Tymphany SLS-85S25CP04-04
woofer · EBP 189 → suits a ported box · nominal (full) — Peerless by Tymphany datasheet (https://products.peerless-audio.com/pdf/162)
Thiele/Small parameters
| Fs (resonance) | 73 Hz |
| Qts | 0.36 |
| Qes / Qms | 0.386 / 5.41 |
| Vas | 1.4 L |
| Re / nominal Z | 3.2 Ω / — |
| Xmax | 6.5 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 SLS-85S25CP04-04 is a 3″ woofer with a free-air resonance of 73 Hz and a total Q (Qts) of 0.36. Its efficiency-bandwidth product (EBP) of 189 points toward a ported alignment. See the sealed vs ported guide for how to choose.
Recommended partners
modeled estimateThe tweeters below pair well with the Peerless by Tymphany SLS-85S25CP04-04 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.
- Seas 27TBFC/G H1212-06Good match· 84/100
Suggested crossover 2.57 kHz (4th-order, Linkwitz-Riley)
Build this pair → - SB Acoustics SB29RDC-C000-4Good match· 84/100
Suggested crossover 2.57 kHz (4th-order, Linkwitz-Riley)
Build this pair → - Peerless by Tymphany D27TG35-06Good match· 84/100
Suggested crossover 2.57 kHz (4th-order, Linkwitz-Riley)
Build this pair → - Dayton Audio RS28F-4Good match· 84/100
Suggested crossover 2.57 kHz (4th-order, Linkwitz-Riley)
Build this pair → - Dayton Audio AMT3-4Good match· 84/100
Suggested crossover 2.57 kHz (4th-order, Linkwitz-Riley)
Build this pair → - Dayton Audio DC28F-8Good match· 84/100
Suggested crossover 2.57 kHz (4th-order, Linkwitz-Riley)
Build this pair →
Modeled estimate from T/S + geometry — no measurements. The verdict is robust; it improves with measured FRD/ZMA data.