BMS 12N630
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 28.6 Hz |
| Qts | 0.33 |
| Qes | 0.35 |
| Qms | 6.24 |
| Vas | 85.5 L |
| Sd | 498 cm² |
| Xmax | 8 mm |
| Re | 6 Ω |
| Bl | 19.8 T·m |
| Mms | 127 g |
| Pe | 600 W |
| Sensitivity | 96 dB |
Alignment hint
| EBP | 82 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 23.8 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 |
|---|---|---|---|---|---|---|---|---|
| Focal 13W 8711 | 28.8 +0.2 | 0.328 = | 87.1 +1.6 | 7.9 -0.1 | 93.4 -2.6 | 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 = | 87.1 +1.6 | 7.9 -0.1 | 93.4 -2.6 | 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 | + |
| Auditor RIP 300P | 28.9 +0.3 | 0.35 +0.02 | 79.3 -6.2 | 8.8 +0.8 | 92.6 -3.4 | close | 4 Ω vs 8 Ω: amp load changes · 400 W vs 600 W: lower power handling | + |
| Magnat XTC300 | 30 +1.4 | 0.317 -0.01 | 81 -4.5 | 6.9 -1.1 | 93.8 -2.2 | 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 | + |
| Hertz Audio ES 300 | 28 -0.6 | 0.38 +0.05 | 89.4 +3.9 | 9 +1 | 94 -2 | close | 4 Ω vs 8 Ω: amp load changes · 350 W vs 600 W: lower power handling | + |
| Focal 33V1 | 25.3 -3.3 | 0.326 = | 91.8 +6.3 | 7.5 -0.5 | 93 -3 | close | 4 Ω vs 8 Ω: amp load changes · 400 W vs 600 W: lower power handling · Xmax 7.5 mm < 8 mm: lower excursion-limited SPL | + |
| MAG Audio SUB 300 | 30.3 +1.7 | 0.323 -0.01 | 110.7 +25.2 | 7.4 -0.6 | 95.1 -0.9 | close | 4 Ω vs 8 Ω: amp load changes · 300 W vs 600 W: lower power handling · Xmax 7.4 mm < 8 mm: lower excursion-limited SPL | + |
| BMS 12S330 | 28.6 = | 0.24 -0.09 | 85.5 = | 8 = | 96 = | close | + | |
| hertz Hertz Audio ES300 | 28 -0.6 | 0.382 +0.05 | 89.4 +3.9 | 7.7 -0.3 | 93 -3 | close | 4 Ω vs 8 Ω: amp load changes · 350 W vs 600 W: lower power handling · Xmax 7.7 mm < 8 mm: lower excursion-limited SPL | + |
| 18 Sound 12NTLX3500 | 39 +10.4 | 0.33 = | 79.6 -5.9 | 7.9 -0.1 | 95.5 -0.5 | close | Xmax 7.9 mm < 8 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 12N630 →
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.