SB Acoustics SB34SWPL76-4
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 18 Hz |
| Qts | 0.319 |
| Qes | 0.33 |
| Qms | 9.5 |
| Vas | 89.5 L |
| Sd | 458 cm² |
| Xmax | 7.5 mm |
| Re | 3.5 Ω |
| Bl | 17.6 T·m |
| Mms | 256.9 g |
| Pe | 300 W |
| Sensitivity | 87.6 dB |
Alignment hint
| EBP | 55 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 22.9 L |
EBP 50-100: works in either a sealed or ported alignment.
Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.
Substitute candidates
| Driver | Fs (Hz) | Qts | Vas (L) | Xmax (mm) | Sens (dB) | Fit | Notes | Compare |
|---|---|---|---|---|---|---|---|---|
| SB Acoustics SB34SWPL76-4 v2019 | 19 +1 | 0.327 +0.01 | 78.5 -11 | 9.7 +2.2 | 87.6 = | close | + | |
| Oxygen AIR2 300 vp | 22 +4 | 0.34 +0.02 | 82 -7.5 | 9.6 +2.1 | 89.4 +1.8 | usable | + | |
| Ground Zero GZHW 30X | 22.6 +4.6 | 0.32 = | 101 +11.5 | 12.3 +4.8 | 90.6 +3 | usable | + | |
| Helix W-12 COMPETITION | 21.4 +3.4 | 0.3 -0.02 | 118.6 +29.1 | 11 +3.5 | 87.3 -0.3 | usable | + | |
| Kenwood XR-W1204 | 21.5 +3.5 | 0.341 +0.02 | 125.386 +35.89 | 10.8 +3.3 | 87.3 -0.3 | usable | + | |
| GR Research SW-12-08 | 23.1 +5.1 | 0.339 +0.02 | 115.7 +26.2 | 8 +0.5 | 89.1 +1.5 | usable | 8 Ω vs 4 Ω: amp load changes · 200 W vs 300 W: lower power handling | + |
| Pioneer TS-W1201C | 20 +2 | 0.291 -0.03 | 118 +28.5 | 9.2 +1.7 | 91.2 +3.6 | usable | + | |
| Focal 33V1 | 25.3 +7.3 | 0.326 +0.01 | 91.8 +2.3 | 7.5 = | 93 +5.4 | usable | + | |
| Audio System R12 | 27.7 +9.7 | 0.35 +0.03 | 84.3 -5.2 | 8.5 +1 | 88.6 +1 | usable | + | |
| Visaton TIW 360X | 21 +3 | 0.34 +0.02 | 140 +50.5 | 12.5 +5 | 87.3 -0.3 | usable | 8 Ω vs 4 Ω: amp load changes | + |
Compare the closest 3 against the SB34SWPL76-4 →
Ranked on parameter similarity only (Qts, Fs, Vas, Xmax, sensitivity). Same nominal size required. A hint, not a simulation, model the swap before cutting or buying.
Used in enclosures (0)
No enclosure in the catalog uses this driver yet.