B&C 12CL76
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 | 6 mm |
| Re | 5.2 Ω |
| Bl | 22.4 T·m |
| Mms | 70 g |
| Pe | 350 W |
| Sensitivity | 98.5 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 |
|---|---|---|---|---|---|---|---|---|
| Beyma 12"P80/Fe V2 | 48 = | 0.21 = | 61 +2 | 7.5 +1.5 | 99 +0.5 | close | + | |
| 18 Sound 12ND930 | 50 +2 | 0.21 = | 70 +11 | 6.5 +0.5 | 98 -0.5 | close | + | |
| Sica 12 F 4 CP | 46 -2 | 0.2 -0.01 | 52 -7 | 6 = | 97.8 -0.7 | close | + | |
| 18 Sound 12ND940 | 49 +1 | 0.2 -0.01 | 64.8 +5.8 | 7.6 +1.6 | 100 +1.5 | close | + | |
| RCF LF12P903 | 47 -1 | 0.23 +0.02 | 65 +6 | 7 +1 | 97.8 -0.7 | close | + | |
| RCF LF 12X401 | 45 -3 | 0.211 = | 50 -9 | 6.1 +0.1 | 97 -1.5 | close | + | |
| B&C 12 CL 76 | 48 = | 0.21 = | 59 = | 3.8 -2.2 | 98.6 +0.1 | close | Xmax 3.8 mm < 6 mm: lower excursion-limited SPL | + |
| RCF LF 12N401 | 48 = | 0.205 -0.01 | 50 -9 | 5.2 -0.8 | 97.8 -0.7 | close | Xmax 5.2 mm < 6 mm: lower excursion-limited SPL | + |
| Beyma 12MC700Nd | 51 +3 | 0.24 +0.03 | 58 -1 | 7 +1 | 99 +0.5 | close | + | |
| RCF MB 12N405 | 52 +4 | 0.203 -0.01 | 53 -6 | 5.7 -0.3 | 99.5 +1 | close | Xmax 5.7 mm < 6 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 12CL76 →
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.