B&C 18 SW 115
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 32 Hz |
| Qts | 0.303 |
| Qes | 0.32 |
| Qms | 5.6 |
| Vas | 187 L |
| Sd | 1210 cm² |
| Xmax | 9.8 mm |
| Re | 5.3 Ω |
| Bl | 30.1 T·m |
| Mms | 271.5 g |
| Pe | 1700 W |
| Sensitivity | 96.6 dB |
Alignment hint
| EBP | 100 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 42.1 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 |
|---|---|---|---|---|---|---|---|---|
| B&C 18SW115 | 32 = | 0.3 = | 187 = | 14 +4.2 | 97 +0.4 | close | + | |
| Oberton 18NXB1600 | 32.37 +0.37 | 0.303 = | 173.11 -13.89 | 13.5 +3.7 | 97 +0.4 | close | + | |
| 18 Sound 18LW2600 | 31 -1 | 0.29 -0.01 | 187 = | 14.8 +5 | 96.8 +0.2 | close | + | |
| B&C 18TBW100 | 33 +1 | 0.32 +0.02 | 181.5 -5.5 | 12 +2.2 | 96 -0.6 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Beyma 18SW1600ND | 32 = | 0.33 +0.03 | 205.7 +18.7 | 10 +0.2 | 96.6 = | close | + | |
| Faital PRO 18HW1070 | 32 = | 0.33 +0.03 | 191.5 +4.5 | 13 +3.2 | 96 -0.6 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Faital PRO 18XL1600 | 32 = | 0.31 +0.01 | 201.1 +14.1 | 12.92 +3.12 | 98 +1.4 | close | 4 Ω vs 8 Ω: amp load changes | + |
| RCF LF 18N408 | 30 -2 | 0.327 +0.02 | 193 +6 | 9.8 = | 96.3 -0.3 | close | + | |
| Fane IMPERIUM 18NDXL | 33 +1 | 0.295 -0.01 | 203 +16 | 12 +2.2 | 95.7 -0.9 | close | 1200 W vs 1700 W: lower power handling | + |
| 18 Sound 18LW2600 | 30 -2 | 0.28 -0.02 | 186 -1 | 14 +4.2 | 96.5 -0.1 | close | 4 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the 18 SW 115 →
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.