Tang Band W3-2108
subwoofer · nominal (partial) — Tang Band datasheet (https://www.tb-speaker.com/uploads/files/84682ab14d56c1ad5ad286e06b6ef5f7.pdf)
Thiele/Small parameters
| Fs (resonance) | 45 Hz |
| Qts | 0.46 |
| Qes / Qms | — / 4.67 |
| Vas | 1.7 L |
| Re / nominal Z | — / — |
| Xmax | 7.0 mm |
| Sensitivity | 77 dB (2.83 V/1 m, mfr) |
| Power handling | 25 W |
Published (nominal) values, params partial — verify by measurement (DATS/REW) before building.
Datasheet (PDF) ↗ — manufacturer-hosted
Recommended enclosures
T/S are partial — fetch the datasheet for the full parameters to model a box.
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About this driver
The Tang Band W3-2108 is a 3.5″ subwoofer with a free-air resonance of 45 Hz and a total Q (Qts) of 0.46. See the sealed vs ported guide for how to choose.
Recommended partners
modeled estimateThe tweeters below pair well with the Tang Band W3-2108 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 2.20 kHz (4th-order, Linkwitz-Riley)
Build this pair → - SB Acoustics SB29RDC-C000-4Good match· 92/100
Suggested crossover 2.20 kHz (4th-order, Linkwitz-Riley)
Build this pair → - Dayton Audio RS28F-4Good match· 92/100
Suggested crossover 2.20 kHz (4th-order, Linkwitz-Riley)
Build this pair → - Dayton Audio AMT3-4Good match· 92/100
Suggested crossover 2.20 kHz (4th-order, Linkwitz-Riley)
Build this pair → - Dayton Audio DC28F-8Good match· 92/100
Suggested crossover 2.20 kHz (4th-order, Linkwitz-Riley)
Build this pair → - Dayton Audio DC28FT-8Good match· 92/100
Suggested crossover 2.20 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.