B&C 12 CX 32
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 57 Hz |
| Qts | 0.284 |
| Qes | 0.3 |
| Qms | 5.2 |
| Vas | 79 L |
| Sd | 522 cm² |
| Xmax | 4 mm |
| Re | 5.1 Ω |
| Bl | 15.1 T·m |
| Mms | 37.7 g |
| Pe | 350 W |
| Sensitivity | 100.8 dB |
Alignment hint
| EBP | 190 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 15.2 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 |
|---|---|---|---|---|---|---|---|---|
| 18 Sound 12ND710 | 53 -4 | 0.29 +0.01 | 85 +6 | 5 +1 | 101 +0.2 | close | 16 Ω vs 8 Ω: amp load changes | + |
| Peavey 1205-8 v1993 | 55.6 -1.4 | 0.281 = | 69 -10 | 4.5 +0.5 | 100 -0.8 | close | + | |
| B&C 12 HPL 64-4 | 50 -7 | 0.296 +0.01 | 85 +6 | 4 = | 100.4 -0.4 | close | 4 Ω vs 8 Ω: amp load changes · 200 W vs 350 W: lower power handling | + |
| 18 Sound 12ND830 | 55 -2 | 0.28 = | 72 -7 | 6.5 +2.5 | 99 -1.8 | close | + | |
| Electro-Voice DL12X | 56 -1 | 0.233 -0.05 | 77 -2 | 4.1 +0.1 | 100.7 -0.1 | close | + | |
| Ciare PW330 | 55 -2 | 0.282 = | 65 -14 | 3.8 -0.2 | 99.5 -1.3 | close | Xmax 3.8 mm < 4 mm: lower excursion-limited SPL | + |
| Peavey BLACK WIDOW 1205-8 | 55.6 -1.4 | 0.28 = | 69 -10 | 4.5 +0.5 | 98 -2.8 | close | 5.2 Ω vs 8 Ω: amp load changes | + |
| Electro-Voice EVM-DL12X | 56 -1 | 0.24 -0.04 | 77.3 -1.7 | 4.1 +0.1 | 99.2 -1.6 | close | 150 W vs 350 W: lower power handling | + |
| 18 Sound 12NCX750 | 58 +1 | 0.296 +0.01 | 63 -16 | 4.6 +0.6 | 99.7 -1.1 | close | + | |
| RCF MB 12G301 | 53 -4 | 0.264 -0.02 | 72 -7 | 4.8 +0.8 | 99.5 -1.3 | close | + |
Compare the closest 3 against the 12 CX 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.