B&C 12 CL 76
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 48 Hz |
| Qts | 0.21 |
| Qes | 0.22 |
| Qms | 4.8 |
| Vas | 59 L |
| Sd | 522 cm² |
| Xmax | 3.8 mm |
| Re | 5.2 Ω |
| Bl | 22.5 T·m |
| Mms | 71.2 g |
| Pe | 350 W |
| Sensitivity | 98.6 dB |
Alignment hint
| EBP | 218 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 5.7 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 12CL76 | 48 = | 0.21 = | 59 = | 6 +2.2 | 98.5 -0.1 | close | + | |
| Beyma 12"P80/Fe V2 | 48 = | 0.21 = | 61 +2 | 7.5 +3.7 | 99 +0.4 | close | + | |
| B&C 12 CXN 88 | 50 +2 | 0.224 +0.01 | 59 = | 4 +0.2 | 99.1 +0.5 | close | + | |
| PHL Audio 4070 | 47 -1 | 0.207 = | 68 +9 | 4.6 +0.8 | 98.7 +0.1 | close | + | |
| RCF L 12N301 | 48 = | 0.213 = | 70 +11 | 5 +1.2 | 99.1 +0.5 | close | + | |
| BMS 12C362 | 47.5 -0.5 | 0.182 -0.03 | 56.5 -2.5 | 4.4 +0.6 | 98.5 -0.1 | close | + | |
| RCF LF 12N401 | 48 = | 0.205 -0.01 | 50 -9 | 5.2 +1.4 | 97.8 -0.8 | close | + | |
| RCF MB 12N407 | 48 = | 0.194 -0.02 | 50 -9 | 4.7 +0.9 | 98.4 -0.2 | close | + | |
| RCF MB12N407 | 48 = | 0.194 -0.02 | 50 -9 | 4.7 +0.9 | 98.4 -0.2 | close | + | |
| 18 Sound 12ND930 | 50 +2 | 0.21 = | 70 +11 | 6.5 +2.7 | 98 -0.6 | close | + |
Compare the closest 3 against the 12 CL 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.