Seas 27TAC-TGB
tweeter · nominal (partial) — Seas datasheet (https://www.seas.no/images/stories/prestige/pdfdatasheet/H1825-06_27TAC_TGB_Datasheet.pdf)
Thiele/Small parameters
| Fs (resonance) | 830 Hz |
| Qts | — |
| Qes / Qms | — / — |
| Vas | — |
| Re / nominal Z | 4.7 Ω / — |
| Xmax | — |
| Sensitivity | — |
Published (nominal) values, params partial — verify by measurement (DATS/REW) before building.
Datasheet (PDF) ↗ — manufacturer-hosted
Recommended enclosures
This is a tweeter; Thiele/Small box parameters are not used for enclosure design.
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About this driver
The Seas 27TAC-TGB is a 1.5″ tweeter with a free-air resonance of 830 Hz. See the sealed vs ported guide for how to choose.
Recommended partners
modeled estimateThe woofers and midranges below pair well with the Seas 27TAC-TGB 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.
- Peerless by Tymphany TC9FD18-08Good match· 88/100
Suggested crossover 2.42 kHz (4th-order, Linkwitz-Riley)
Build this pair → - Dayton Audio RS125-4Good match· 84/100
Suggested crossover 2.01 kHz (4th-order, Linkwitz-Riley)
Build this pair → - Dayton Audio RS52AN-8Good match· 84/100
Suggested crossover 4.05 kHz (4th-order, Linkwitz-Riley)
Build this pair → - Dayton Audio CE65W-8Good match· 84/100
Suggested crossover 3.26 kHz (4th-order, Linkwitz-Riley)
Build this pair → - Dayton Audio DS90-8Good match· 84/100
Suggested crossover 2.61 kHz (4th-order, Linkwitz-Riley)
Build this pair → - Dayton Audio ND65-4Good match· 84/100
Suggested crossover 3.70 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.