B&C 12 PL 32
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 49 Hz |
| Qts | 0.249 |
| Qes | 0.26 |
| Qms | 6.1 |
| Vas | 97 L |
| Sd | 522 cm² |
| Xmax | 3.5 mm |
| Re | 5.3 Ω |
| Bl | 16.1 T·m |
| Mms | 41.5 g |
| Pe | 350 W |
| Sensitivity | 100.2 dB |
Alignment hint
| EBP | 188 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 13.7 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 12 PL 32 8 Ohms | 49 = | 0.249 = | 97 = | 3.5 = | 100.2 = | close | + | |
| 18 Sound 12MB700 | 46 -3 | 0.25 = | 100 +3 | 4.5 +1 | 100.5 +0.3 | close | 16 Ω vs 8 Ω: amp load changes | + |
| B&C 12 HPL 76 | 49 = | 0.236 -0.01 | 91 -6 | 4 +0.5 | 99.6 -0.6 | close | + | |
| RCF L 12G301 | 48 -1 | 0.219 -0.03 | 97 = | 5.6 +2.1 | 100.1 -0.1 | close | + | |
| P.Audio C12-300MB | 50 +1 | 0.256 +0.01 | 79.4 -17.6 | 3.5 = | 99.3 -0.9 | close | + | |
| 18 Sound 12NDA520 | 50 +1 | 0.27 +0.02 | 111 +14 | 4 +0.5 | 100.5 +0.3 | close | + | |
| Peavey 1202-4 v1993 | 47.1 -1.9 | 0.252 = | 100 +3 | 2.6 -0.9 | 100.5 +0.3 | close | Xmax 2.6 mm < 3.5 mm: lower excursion-limited SPL | + |
| Fane STUDIO 12L | 49 = | 0.241 -0.01 | 120.9 +23.9 | 4.3 +0.8 | 101.2 +1 | close | 200 W vs 350 W: lower power handling | + |
| Beyma SM112 | 45 -4 | 0.262 +0.01 | 101 +4 | 4.8 +1.3 | 98.3 -1.9 | close | 250 W vs 350 W: lower power handling | + |
| Eighteen Sound 12ND520 | 50 +1 | 0.27 +0.02 | 111 +14 | 4 +0.5 | 98.7 -1.5 | close | + |
Compare the closest 3 against the 12 PL 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.