Seas M15CH002
midrange · EBP 129 → suits a ported box · nominal (full) — Seas datasheet (https://www.seas.no/images/stories/excel/pdfdataheet/e0043_m15ch002_datasheet.pdf)
Thiele/Small parameters
| Fs (resonance) | 67 Hz |
| Qts | 0.4 |
| Qes / Qms | 0.52 / 1.7 |
| Vas | 6.0 L |
| Re / nominal Z | 4.9 Ω / 6 Ω |
| Xmax | — |
| Sensitivity | 87.2 dB (1 W/1 m, calc); 88.5 dB (2.83 V/1 m, mfr) |
| Power handling | 70 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.
Affiliate disclosure: some links are affiliate links and we may earn a commission on qualifying purchases at no extra cost to you. Prices are estimates at the time of writing; verify on the retailer's site.
About this driver
The Seas M15CH002 is a 5″ midrange with a free-air resonance of 67 Hz and a total Q (Qts) of 0.4. Its efficiency-bandwidth product (EBP) of 129 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 Seas M15CH002 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 1.69 kHz (4th-order, Linkwitz-Riley)
Build this pair → - SB Acoustics SB29RDC-C000-4Good match· 92/100
Suggested crossover 1.69 kHz (4th-order, Linkwitz-Riley)
Build this pair → - SB Acoustics SATORI TW29BGood match· 92/100
Suggested crossover 1.69 kHz (4th-order, Linkwitz-Riley)
Build this pair → - SB Acoustics SATORI TW29B-BGood match· 92/100
Suggested crossover 1.69 kHz (4th-order, Linkwitz-Riley)
Build this pair → - SB Acoustics SATORI TW29D-BGood match· 92/100
Suggested crossover 1.69 kHz (4th-order, Linkwitz-Riley)
Build this pair → - SB Acoustics SATORI TW29DNGood match· 92/100
Suggested crossover 1.69 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.