B&C 12 CLA 76
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 52 Hz |
| Qts | 0.247 |
| Qes | 0.26 |
| Qms | 4.9 |
| Vas | 56 L |
| Sd | 522 cm² |
| Xmax | 3.9 mm |
| Re | 5.1 Ω |
| Bl | 20.2 T·m |
| Mms | 63.9 g |
| Pe | 350 W |
| Sensitivity | 98.7 dB |
Alignment hint
| EBP | 200 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 7.8 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 |
|---|---|---|---|---|---|---|---|---|
| B&C 12CLA76 | 52 = | 0.25 = | 56 = | 5.3 +1.4 | 98.5 -0.2 | close | + | |
| 18 Sound 12W1300 | 50 -2 | 0.262 +0.02 | 56.4 +0.4 | 4.3 +0.4 | 98 -0.7 | close | + | |
| Monacor SP-30A/300NEO | 52 = | 0.239 -0.01 | 60 +4 | 3.5 -0.4 | 99.2 +0.5 | close | Xmax 3.5 mm < 3.9 mm: lower excursion-limited SPL | + |
| Beyma 12MC700Nd | 51 -1 | 0.24 -0.01 | 58 +2 | 7 +3.1 | 99 +0.3 | close | + | |
| B&C 12 CXN 88 | 50 -2 | 0.224 -0.02 | 59 +3 | 4 +0.1 | 99.1 +0.4 | close | + | |
| Monacor SP-30A/250PA | 52 = | 0.239 -0.01 | 62 +6 | 3.4 -0.5 | 99.1 +0.4 | close | 250 W vs 350 W: lower power handling · Xmax 3.4 mm < 3.9 mm: lower excursion-limited SPL | + |
| PHL Audio 4071-1 | 47 -5 | 0.245 = | 57.8 +1.8 | 4.7 +0.8 | 97.2 -1.5 | close | + | |
| BMS 12C382 | 52 = | 0.285 +0.04 | 57 +1 | 4.5 +0.6 | 97.6 -1.1 | close | + | |
| Faital PRO 12FH520-4 | 50 -2 | 0.268 +0.02 | 57 +1 | 5.8 +1.9 | 99.9 +1.2 | close | 4 Ω vs 8 Ω: amp load changes | + |
| RCF LF 12G300 | 54 +2 | 0.285 +0.04 | 55 -1 | 4.6 +0.7 | 98.1 -0.6 | close | + |
Compare the closest 3 against the 12 CLA 76 →
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.