B&C 18 PZB 100
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 30 Hz |
| Qts | 0.243 |
| Qes | 0.25 |
| Qms | 8.8 |
| Vas | 297 L |
| Sd | 1134 cm² |
| Xmax | 7.8 mm |
| Re | 5.3 Ω |
| Bl | 26.1 T·m |
| Mms | 170.8 g |
| Pe | 700 W |
| Sensitivity | 98.8 dB |
Alignment hint
| EBP | 120 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 39.8 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 |
|---|---|---|---|---|---|---|---|---|
| Oberton 18NSW700-8 | 30.5 +0.5 | 0.243 = | 309 +12 | 7.7 -0.1 | 98.6 -0.2 | close | Xmax 7.7 mm < 7.8 mm: lower excursion-limited SPL | + |
| B&C 18PZB100 | 30 = | 0.24 = | 297 = | 8 +0.2 | 97 -1.8 | close | + | |
| Radian 2218Neo | 30 = | 0.23 -0.01 | 312 +15 | 9 +1.2 | 99 +0.2 | close | + | |
| Oberton 18NSW700 | 30.48 +0.48 | 0.243 = | 309.02 +12.02 | 14 +6.2 | 97.5 -1.3 | close | + | |
| RCF LF 18N451 | 31 +1 | 0.24 = | 245 -52 | 8.8 +1 | 98.7 -0.1 | close | + | |
| 18 Sound 18NLW9300 | 30 = | 0.28 +0.04 | 316 +19 | 8 +0.2 | 98.7 -0.1 | close | + | |
| Fane COLOSSUS 18B600 | 29 -1 | 0.236 -0.01 | 345 +48 | 7.2 -0.6 | 98.7 -0.1 | close | Xmax 7.2 mm < 7.8 mm: lower excursion-limited SPL | + |
| PD PD 184C01 | 30 = | 0.227 -0.02 | 337.1 +40.1 | 7.8 = | 100.2 +1.4 | close | + | |
| Precision Devices PD 184C01 | 30 = | 0.227 -0.02 | 337.1 +40.1 | 7.8 = | 100.2 +1.4 | close | + | |
| B&C 18 NW 100 | 31 +1 | 0.254 +0.01 | 252 -45 | 8.7 +0.9 | 98.4 -0.4 | close | + |
Compare the closest 3 against the 18 PZB 100 →
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.