SB Acoustics SB17NBAC35-4
woofer · nominal (partial) — SB Acoustics datasheet (https://sbacoustics.com/wp-content/uploads/2025/12/6-inch-SB17NBAC35-4.pdf)
Thiele/Small parameters
| Fs (resonance) | 30 Hz |
| Qts | 0.29 |
| Qes / Qms | — / 4.3 |
| Vas | 42.6 L |
| Re / nominal Z | — / 4 Ω |
| Xmax | — |
| Sensitivity | 90 dB (2.83 V/1 m, mfr) |
| Power handling | 60 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 SB Acoustics SB17NBAC35-4 is a woofer with a free-air resonance of 30 Hz and a total Q (Qts) of 0.29. See the sealed vs ported guide for how to choose.
Recommended partners
modeled estimateThese tweeters could pair with the SB Acoustics SB17NBAC35-4 in a two-way design, but the seed Thiele/Small data is too thin to grade the match yet — add or measure T/S (Fs, Sd, Xmax) to compute a real compatibility grade. You can still open a pair in the guided builder.
- Dayton Audio AMT-Mini-8Insufficient data to grade
Crossover not modelable yet — tweeter needs published Thiele/Small data.
Build this pair → - Dayton Audio AMT2-4Insufficient data to grade
Crossover not modelable yet — tweeter needs published Thiele/Small data.
Build this pair → - Dayton Audio AMT3-4Insufficient data to grade
Crossover not modelable yet — tweeter needs published Thiele/Small data.
Build this pair → - Dayton Audio AMTPOD-4Insufficient data to grade
Crossover not modelable yet — tweeter needs published Thiele/Small data.
Build this pair → - Dayton Audio AMTPRO-4Insufficient data to grade
Crossover not modelable yet — tweeter needs published Thiele/Small data.
Build this pair → - Dayton Audio AN25F-4Insufficient data to grade
Crossover not modelable yet — tweeter needs published Thiele/Small data.
Build this pair →
Modeled estimate from T/S + geometry — no measurements. The verdict is robust; it improves with measured FRD/ZMA data.