BMS 12C382
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 52 Hz |
| Qts | 0.285 |
| Qes | 0.3 |
| Qms | 5.6 |
| Vas | 57 L |
| Sd | 487 cm² |
| Xmax | 4.5 mm |
| Re | 5.8 Ω |
| Bl | 18.6 T·m |
| Mms | 54.6 g |
| Pe | 500 W |
| Sensitivity | 97.6 dB |
Alignment hint
| EBP | 173 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 11.1 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 |
|---|---|---|---|---|---|---|---|---|
| RCF LF 12G300 | 54 +2 | 0.285 = | 55 -2 | 4.6 +0.1 | 98.1 +0.5 | close | + | |
| Fane Colossus 12MB | 55 +3 | 0.286 = | 56 -1 | 5.5 +1 | 98 +0.4 | close | + | |
| Precision Devices PD 12SB30 | 50.2 -1.8 | 0.297 +0.01 | 59 +2 | 4.8 +0.3 | 97.4 -0.2 | close | + | |
| Master Audio HPLSN12-500 | 52 = | 0.283 = | 65 +8 | 5 +0.5 | 97.7 +0.1 | close | + | |
| B&C 12FL76 | 50 -2 | 0.3 +0.02 | 57 = | 6 +1.5 | 97.5 -0.1 | close | + | |
| B&C 12CL64 | 52 = | 0.3 +0.02 | 64 +7 | 4.5 = | 98 +0.4 | close | 250 W vs 500 W: lower power handling | + |
| McCauley 6234 | 50 -2 | 0.297 +0.01 | 60 +3 | 4.2 -0.3 | 97.8 +0.2 | close | 300 W vs 500 W: lower power handling · Xmax 4.2 mm < 4.5 mm: lower excursion-limited SPL | + |
| B&C 12 NDL 88 | 51 -1 | 0.274 -0.01 | 52 -5 | 5.7 +1.2 | 97.8 +0.2 | close | + | |
| 18 Sound 12W1300 | 50 -2 | 0.262 -0.02 | 56.4 -0.6 | 4.3 -0.2 | 98 +0.4 | close | Xmax 4.3 mm < 4.5 mm: lower excursion-limited SPL | + |
| Beyma 12MCB700 | 51 -1 | 0.27 -0.01 | 59.5 +2.5 | 7 +2.5 | 98 +0.4 | close | + |
Compare the closest 3 against the 12C382 →
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.