B&C 12NDL76
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 50 Hz |
| Qts | 0.19 |
| Qes | 0.2 |
| Qms | 3.25 |
| Vas | 70 L |
| Sd | 522 cm² |
| Xmax | 6 mm |
| Re | 3.1 Ω |
| Bl | 16.5 T·m |
| Mms | 54 g |
| Pe | 400 W |
| Sensitivity | 100 dB |
Alignment hint
| EBP | 250 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 5.4 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 |
|---|---|---|---|---|---|---|---|---|
| B&C 12NDL76 | 50 = | 0.2 +0.01 | 73 +3 | 7 +1 | 100 = | close | 8 Ω vs 4 Ω: amp load changes | + |
| 18 Sound 12ND940 | 49 -1 | 0.2 +0.01 | 64.8 -5.2 | 7.6 +1.6 | 100 = | close | 8 Ω vs 4 Ω: amp load changes | + |
| Beyma 12P80FE V2 | 50 = | 0.201 +0.01 | 66.8 -3.2 | 5.2 -0.8 | 99.9 -0.1 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 5.2 mm < 6 mm: lower excursion-limited SPL | + |
| Beyma 12P80/Fe | 46 -4 | 0.186 = | 75.6 +5.6 | 5.6 -0.4 | 99.8 -0.2 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 5.6 mm < 6 mm: lower excursion-limited SPL | + |
| 18 Sound 12ND930 | 50 = | 0.21 +0.02 | 70 = | 6.5 +0.5 | 98 -2 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Oberton 12NB450 | 46.46 -3.54 | 0.204 +0.01 | 72.57 +2.57 | 7.75 +1.75 | 100 = | close | 8 Ω vs 4 Ω: amp load changes | + |
| B&C 12MH32 | 53 +3 | 0.19 = | 63 -7 | 5 -1 | 101 +1 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 5 mm < 6 mm: lower excursion-limited SPL | + |
| B&C 12 NDL 76 | 50 = | 0.2 +0.01 | 73 +3 | 4.3 -1.7 | 100.1 +0.1 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 4.3 mm < 6 mm: lower excursion-limited SPL | + |
| RCF L 12N301 | 48 -2 | 0.213 +0.02 | 70 = | 5 -1 | 99.1 -0.9 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 5 mm < 6 mm: lower excursion-limited SPL | + |
| Oberton 12NXL400 | 48.6 -1.4 | 0.203 +0.01 | 79.24 +9.24 | 5.25 -0.75 | 101 +1 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 5.25 mm < 6 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 12NDL76 →
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.