B&C 18 PZB 46
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 37 Hz |
| Qts | 0.374 |
| Qes | 0.39 |
| Qms | 9.4 |
| Vas | 155 L |
| Sd | 1134 cm² |
| Xmax | 6.5 mm |
| Re | 5.3 Ω |
| Bl | 26.1 T·m |
| Mms | 215.2 g |
| Pe | 700 W |
| Sensitivity | 96.8 dB |
Alignment hint
| EBP | 95 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 60.2 L |
EBP 50-100: works in either a sealed or ported 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 |
|---|---|---|---|---|---|---|---|---|
| MAG Audio M 1805 | 37.5 +0.5 | 0.357 -0.02 | 138.5 -16.5 | 7.1 +0.6 | 96.7 -0.1 | close | + | |
| LaVoce SAN184.02 | 38 +1 | 0.406 +0.03 | 150 -5 | 7.9 +1.4 | 96.8 = | close | + | |
| PD PD 185N01 | 35.6 -1.4 | 0.383 +0.01 | 174.5 +19.5 | 8.4 +1.9 | 97.1 +0.3 | close | + | |
| Precision Devices PD 185N01 | 35.6 -1.4 | 0.383 +0.01 | 174.5 +19.5 | 8.4 +1.9 | 97.1 +0.3 | close | + | |
| Eminence NSW4018-8 | 36 -1 | 0.38 +0.01 | 164.49 +9.49 | 15.21 +8.71 | 96.6 -0.2 | close | + | |
| B&C 18SW100 | 36 -1 | 0.36 -0.01 | 160 +5 | 12.5 +6 | 96 -0.8 | close | 4 Ω vs 8 Ω: amp load changes | + |
| LaVoce SAF184.02 | 38 +1 | 0.422 +0.05 | 150 -5 | 8.1 +1.6 | 96.9 +0.1 | close | + | |
| Beyma 18P100FE | 40 +3 | 0.39 +0.02 | 163.2 +8.2 | 7.1 +0.6 | 98.1 +1.3 | close | + | |
| B&C 18 SW 100 | 35 -2 | 0.375 = | 180 +25 | 9.7 +3.2 | 96.9 +0.1 | close | + | |
| B&C 18PZW100 | 37 = | 0.36 -0.01 | 186 +31 | 8 +1.5 | 97.6 +0.8 | close | + |
Compare the closest 3 against the 18 PZB 46 →
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.