Seas MU10RB-SL
midrange · EBP 87 → suits either box · nominal (full) — Seas datasheet (https://www.seas.no/images/stories/prestige/pdfdatasheet/H1658-04_MU10RB-SL_Datasheet.pdf)
Thiele/Small parameters
| Fs (resonance) | 100 Hz |
| Qts | 0.67 |
| Qes / Qms | 1.15 / 1.63 |
| Vas | 1.1 L |
| Re / nominal Z | 3.3 Ω / 4 Ω |
| Xmax | — |
| Sensitivity | 81.6 dB (1 W/1 m, calc); 84.7 dB (2.83 V/1 m, mfr) |
| Power handling | 40 W |
Published (nominal) values, params full — verify by measurement (DATS/REW) before building.
Datasheet (PDF) ↗ — manufacturer-hosted
Recommended enclosures
This is a midrange; Thiele/Small box parameters are not used for enclosure design.
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About this driver
The Seas MU10RB-SL is a 3.5″ midrange with a free-air resonance of 100 Hz and a total Q (Qts) of 0.67. Its efficiency-bandwidth product (EBP) of 87 points toward either alignment. See the sealed vs ported guide for how to choose.
Recommended partners
modeled estimateThe tweeters below pair well with the Seas MU10RB-SL 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· 92/100
Suggested crossover 2.35 kHz (4th-order, Linkwitz-Riley)
Build this pair → - SB Acoustics SB29RDC-C000-4Good match· 92/100
Suggested crossover 2.35 kHz (4th-order, Linkwitz-Riley)
Build this pair → - Peerless by Tymphany D27TG35-06Good match· 92/100
Suggested crossover 2.35 kHz (4th-order, Linkwitz-Riley)
Build this pair → - Dayton Audio RS28F-4Good match· 92/100
Suggested crossover 2.35 kHz (4th-order, Linkwitz-Riley)
Build this pair → - Dayton Audio AMT3-4Good match· 92/100
Suggested crossover 2.35 kHz (4th-order, Linkwitz-Riley)
Build this pair → - Dayton Audio DC28F-8Good match· 92/100
Suggested crossover 2.35 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.