SB Acoustics SB34NRX75-6
subwoofer · EBP 44 → suits a sealed box · nominal (full) — SB Acoustics datasheet (https://sbacoustics.com/wp-content/uploads/2020/02/12in-SB34NRX75-6.pdf)
Thiele/Small parameters
| Fs (resonance) | 19 Hz |
| Qts | 0.4 |
| Qes / Qms | 0.43 / 5.1 |
| Vas | 260.0 L |
| Re / nominal Z | 4.2 Ω / — |
| Xmax | — |
| Sensitivity | 90 dB (2.83 V/1 m, mfr) |
| Power handling | 200 W |
Published (nominal) values, params full — verify by measurement (DATS/REW) before building.
Datasheet (PDF) ↗ — manufacturer-hosted
Recommended enclosures
T/S are full — fetch the datasheet for the full parameters to model a box.
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About this driver
The SB Acoustics SB34NRX75-6 is a subwoofer with a free-air resonance of 19 Hz and a total Q (Qts) of 0.4. Its efficiency-bandwidth product (EBP) of 44 points toward a sealed alignment. See the sealed vs ported guide for how to choose.
Recommended partners
modeled estimateThese tweeters could pair with the SB Acoustics SB34NRX75-6 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.