B&C 12TBX100
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 42 Hz |
| Qts | 0.26 |
| Qes | 0.27 |
| Qms | 6.9 |
| Vas | 37.5 L |
| Sd | 531 cm² |
| Xmax | 9 mm |
| Re | 5.1 Ω |
| Bl | 25.5 T·m |
| Mms | 119 g |
| Pe | 1000 W |
| Sensitivity | 95 dB |
Alignment hint
| EBP | 156 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 5.9 L |
EBP > 100: favours a ported (bass-reflex) 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 |
|---|---|---|---|---|---|---|---|---|
| Faital PRO 12HP1060 | 45 +3 | 0.28 +0.02 | 36.9 -0.6 | 12.45 +3.45 | 95 = | close | + | |
| Faital PRO 12HP1060 | 45 +3 | 0.25 -0.01 | 33.8 -3.7 | 12.45 +3.45 | 95 = | close | 4 Ω vs 8 Ω: amp load changes | + |
| B&C 12 TBX 100 | 42 = | 0.26 = | 37.5 = | 6.2 -2.8 | 94.1 -0.9 | close | Xmax 6.2 mm < 9 mm: lower excursion-limited SPL | + |
| Faital PRO 12HP1030 | 45 +3 | 0.27 +0.01 | 33.2 -4.3 | 12.45 +3.45 | 94 -1 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Faital PRO 12HP1030 | 45 +3 | 0.3 +0.04 | 35.9 -1.6 | 12.45 +3.45 | 95 = | close | + | |
| 18 Sound 12NLW9410 | 42 = | 0.26 = | 55 +17.5 | 11 +2 | 95 = | close | + | |
| Beyma 12"LEX1300Nd | 45 +3 | 0.24 -0.02 | 43 +5.5 | 11 +2 | 96 +1 | close | + | |
| B&C 12TBX100 | 44 +2 | 0.23 -0.03 | 41.1 +3.6 | 9 = | 93 -2 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Beyma 12LEX1000Fe | 49 +7 | 0.3 +0.04 | 38.4 +0.9 | 11 +2 | 95 = | close | + | |
| Sica 12 PFS 4 | 39 -3 | 0.26 = | 55.6 +18.1 | 9 = | 94.8 -0.2 | close | + |
Compare the closest 3 against the 12TBX100 →
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.