BMS 12S330 v2018
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 28.6 Hz |
| Qts | 0.295 |
| Qes | 0.31 |
| Qms | 6.24 |
| Vas | 81.4 L |
| Sd | 500 cm² |
| Xmax | 8 mm |
| Re | 6 Ω |
| Bl | 21.5 T·m |
| Mms | 133.4 g |
| Pe | 600 W |
| Sensitivity | 91.1 dB |
Alignment hint
| EBP | 92 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 17.2 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 |
|---|---|---|---|---|---|---|---|---|
| Celestion FTR12-4080DL | 28.9 +0.3 | 0.303 +0.01 | 68.6 -12.8 | 8.7 +0.7 | 89.9 -1.2 | close | + | |
| PHL Audio 4020 | 29 +0.4 | 0.299 = | 92 +10.6 | 7 -1 | 92.1 +1 | close | 450 W vs 600 W: lower power handling · Xmax 7 mm < 8 mm: lower excursion-limited SPL | + |
| Focal 13W 8711 | 28.8 +0.2 | 0.328 +0.03 | 87.1 +5.7 | 7.9 -0.1 | 93.4 +2.3 | close | 4 Ω vs 8 Ω: amp load changes · 400 W vs 600 W: lower power handling · Xmax 7.9 mm < 8 mm: lower excursion-limited SPL | + |
| Focal 13W 8711 vp | 28.8 +0.2 | 0.328 +0.03 | 87.1 +5.7 | 7.9 -0.1 | 93.4 +2.3 | close | 4 Ω vs 8 Ω: amp load changes · 400 W vs 600 W: lower power handling · Xmax 7.9 mm < 8 mm: lower excursion-limited SPL | + |
| AER SB 12 | 29 +0.4 | 0.349 +0.05 | 82 +0.6 | 7.1 -0.9 | 90.6 -0.5 | close | 300 W vs 600 W: lower power handling · Xmax 7.1 mm < 8 mm: lower excursion-limited SPL | + |
| Auditor RIP 300P | 28.9 +0.3 | 0.35 +0.05 | 79.3 -2.1 | 8.8 +0.8 | 92.6 +1.5 | close | 4 Ω vs 8 Ω: amp load changes · 400 W vs 600 W: lower power handling | + |
| BMS 12S330 v2016 | 28.6 = | 0.24 -0.05 | 85.5 +4.1 | 8 = | 92.3 +1.2 | close | + | |
| Magnat XTC300 | 30 +1.4 | 0.317 +0.02 | 81 -0.4 | 6.9 -1.1 | 93.8 +2.7 | close | 4 Ω vs 8 Ω: amp load changes · 300 W vs 600 W: lower power handling · Xmax 6.9 mm < 8 mm: lower excursion-limited SPL | + |
| Tang Band W8Q-1071F | 27 -1.6 | 0.334 +0.04 | 70.4 -11 | 9.7 +1.7 | 91.8 +0.7 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Audio System R12 | 27.7 -0.9 | 0.35 +0.05 | 84.3 +2.9 | 8.5 +0.5 | 88.6 -2.5 | close | 4 Ω vs 8 Ω: amp load changes · 400 W vs 600 W: lower power handling | + |
Compare the closest 3 against the 12S330 v2018 →
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.