B&C 12 PZ 32
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 38 Hz |
| Qts | 0.193 |
| Qes | 0.2 |
| Qms | 5.9 |
| Vas | 102 L |
| Sd | 522 cm² |
| Xmax | 5.5 mm |
| Re | 6.2 Ω |
| Bl | 22.1 T·m |
| Mms | 65.7 g |
| Pe | 400 W |
| Sensitivity | 97.6 dB |
Alignment hint
| EBP | 190 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 8.2 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 |
|---|---|---|---|---|---|---|---|---|
| Precision Devices PD122 | 42.9 +4.9 | 0.194 = | 90 -12 | 5.5 = | 98 +0.4 | close | 16 Ω vs 8 Ω: amp load changes | + |
| B&C 12CXN76 | 42 +4 | 0.19 = | 120 +18 | 6 +0.5 | 98.3 +0.7 | close | + | |
| PHL Audio 4090 | 39 +1 | 0.19 = | 92 -10 | 5.1 -0.4 | 100.6 +3 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 5.1 mm < 5.5 mm: lower excursion-limited SPL | + |
| PHL Audio 4130 | 42 +4 | 0.208 +0.01 | 92 -10 | 5.2 -0.3 | 98.5 +0.9 | close | Xmax 5.2 mm < 5.5 mm: lower excursion-limited SPL | + |
| PHL Audio B303-8 4230 | 40 +2 | 0.22 +0.03 | 87.2 -14.8 | 5.8 +0.3 | 97.3 -0.3 | close | + | |
| RCF LF 12G301 | 43 +5 | 0.219 +0.03 | 97 -5 | 5.9 +0.4 | 98.6 +1 | close | + | |
| RCF LF12G301 | 43 +5 | 0.22 +0.03 | 97 -5 | 7 +1.5 | 97 -0.6 | close | + | |
| RCF LF12G801 | 43 +5 | 0.22 +0.03 | 97 -5 | 7 +1.5 | 97 -0.6 | close | + | |
| RCF LF12P901 | 43 +5 | 0.22 +0.03 | 97 -5 | 7 +1.5 | 97 -0.6 | close | + | |
| RCF LF12Y308 | 43 +5 | 0.22 +0.03 | 97 -5 | 7 +1.5 | 97 -0.6 | close | + |
Compare the closest 3 against the 12 PZ 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.