B&C 18 PS 46
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 28 Hz |
| Qts | 0.316 |
| Qes | 0.33 |
| Qms | 7.6 |
| Vas | 386 L |
| Sd | 1134 cm² |
| Xmax | 6 mm |
| Re | 5.3 Ω |
| Bl | 20.6 T·m |
| Mms | 150.9 g |
| Pe | 700 W |
| Sensitivity | 97.9 dB |
Alignment hint
| EBP | 85 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 96.3 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 |
|---|---|---|---|---|---|---|---|---|
| Dayton Audio PA460-8 v2015 | 28.3 +0.3 | 0.33 +0.01 | 402 +16 | 6 = | 97.8 -0.1 | close | 500 W vs 700 W: lower power handling | + |
| RCF L 18P200N vp tlhp | 28 = | 0.306 -0.01 | 380 -6 | 9.8 +3.8 | 97.2 -0.7 | close | + | |
| Beyma 18GT200 v2 | 30 +2 | 0.322 +0.01 | 355 -31 | 6 = | 97.9 = | close | 250 W vs 700 W: lower power handling | + |
| DAS Audio S1846 vp2 | 29.6 +1.6 | 0.298 -0.02 | 384 -2 | 8 +2 | 97.7 -0.2 | close | 550 W vs 700 W: lower power handling | + |
| RCF L 18P200N | 28 = | 0.306 -0.01 | 363 -23 | 9.8 +3.8 | 97 -0.9 | close | + | |
| Precision Devices PD186 | 27 -1 | 0.312 = | 353 -33 | 8 +2 | 97 -0.9 | close | 16 Ω vs 8 Ω: amp load changes | + |
| Mivoc AWX 184 | 28 = | 0.313 = | 315 -71 | 6 = | 98.8 +0.9 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Eminence SIGMA PRO 18 | 28 = | 0.29 -0.03 | 441.2 +55.2 | 6.1 +0.1 | 98.1 +0.2 | close | + | |
| Eminence Kappa Pro 18LF2 | 32 +4 | 0.33 +0.01 | 391.61 +5.61 | 8 +2 | 98 +0.1 | close | + | |
| PD PD 186 | 27 -1 | 0.313 = | 353 -33 | 10.2 +4.2 | 96.9 -1 | close | + |
Compare the closest 3 against the 18 PS 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.