B&C 12CLA76
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 52 Hz |
| Qts | 0.25 |
| Qes | 0.26 |
| Qms | 4.9 |
| Vas | 56 L |
| Sd | 522 cm² |
| Xmax | 5.3 mm |
| Re | 5.1 Ω |
| Bl | 20.2 T·m |
| Mms | 64 g |
| Pe | 350 W |
| Sensitivity | 98.5 dB |
Alignment hint
| EBP | 200 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 8 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 |
|---|---|---|---|---|---|---|---|---|
| Beyma 12MC700Nd | 51 -1 | 0.24 -0.01 | 58 +2 | 7 +1.7 | 99 +0.5 | close | + | |
| B&C 12 CLA 76 | 52 = | 0.247 = | 56 = | 3.9 -1.4 | 98.7 +0.2 | close | Xmax 3.9 mm < 5.3 mm: lower excursion-limited SPL | + |
| Faital PRO 12FH520-4 | 50 -2 | 0.268 +0.02 | 57 +1 | 5.8 +0.5 | 99.9 +1.4 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Beyma 12MCB700 | 51 -1 | 0.27 +0.02 | 59.5 +3.5 | 7 +1.7 | 98 -0.5 | close | + | |
| B&C 12 NDL 88 | 51 -1 | 0.274 +0.02 | 52 -4 | 5.7 +0.4 | 97.8 -0.7 | close | + | |
| Oberton 12MB35 | 51.43 -0.57 | 0.267 +0.02 | 50.07 -5.93 | 6.75 +1.45 | 98 -0.5 | close | + | |
| Fane Colossus 12MB | 55 +3 | 0.286 +0.04 | 56 = | 5.5 +0.2 | 98 -0.5 | close | + | |
| 18 Sound 12W1300 | 50 -2 | 0.262 +0.01 | 56.4 +0.4 | 4.3 -1 | 98 -0.5 | close | Xmax 4.3 mm < 5.3 mm: lower excursion-limited SPL | + |
| B&C 12NDL88 | 51 -1 | 0.27 +0.02 | 52 -4 | 8 +2.7 | 98 -0.5 | close | + | |
| B&C 12NDL88 | 48 -4 | 0.24 -0.01 | 57 +1 | 8 +2.7 | 97 -1.5 | close | 4 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the 12CLA76 →
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.