B&C 12 MH 32
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 52 Hz |
| Qts | 0.194 |
| Qes | 0.2 |
| Qms | 6.3 |
| Vas | 71 L |
| Sd | 522 cm² |
| Xmax | 4.1 mm |
| Re | 5.4 Ω |
| Bl | 21.1 T·m |
| Mms | 50.4 g |
| Pe | 400 W |
| Sensitivity | 100.7 dB |
Alignment hint
| EBP | 260 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 5.8 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 12 NDL 76 | 50 -2 | 0.2 +0.01 | 73 +2 | 4.3 +0.2 | 100.1 -0.6 | close | + | |
| B&C 12NDL76 | 50 -2 | 0.19 = | 70 -1 | 6 +1.9 | 100 -0.7 | close | 4 Ω vs 8 Ω: amp load changes | + |
| B&C 12MH32 | 53 +1 | 0.19 = | 63 -8 | 5 +0.9 | 101 +0.3 | close | + | |
| Beyma 12P80FE V2 | 50 -2 | 0.201 +0.01 | 66.8 -4.2 | 5.2 +1.1 | 99.9 -0.8 | close | + | |
| B&C 12NDL76 | 50 -2 | 0.2 +0.01 | 73 +2 | 7 +2.9 | 100 -0.7 | close | + | |
| PHL Audio 4050 | 49 -3 | 0.197 = | 84 +13 | 4.1 = | 100.1 -0.6 | close | + | |
| RCF MB 12N351 | 55 +3 | 0.201 +0.01 | 61 -10 | 4.7 +0.6 | 100.4 -0.3 | close | + | |
| Oberton 12NXL400 | 48.6 -3.4 | 0.203 +0.01 | 79.24 +8.24 | 5.25 +1.15 | 101 +0.3 | close | + | |
| 18 Sound 12ND710 | 52 = | 0.2 +0.01 | 92 +21 | 5 +0.9 | 101 +0.3 | close | + | |
| 18 Sound 12ND940 | 49 -3 | 0.2 +0.01 | 64.8 -6.2 | 7.6 +3.5 | 100 -0.7 | close | + |
Compare the closest 3 against the 12 MH 32 →
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.