B&C 18DS100
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 4 Ω |
| Fs | 32 Hz |
| Qts | 0.24 |
| Qes | 0.24 |
| Qms | 10 |
| Vas | 157 L |
| Sd | 1210 cm² |
| Xmax | 14 mm |
| Re | 2.5 Ω |
| Bl | 24.3 T·m |
| Mms | 300 g |
| Pe | 1500 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 133 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 20.4 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 |
|---|---|---|---|---|---|---|---|---|
| Beyma 18QLEX1600Fe | 31 -1 | 0.25 +0.01 | 177.2 +20.2 | 13 -1 | 96 -2 | close | Xmax 13 mm < 14 mm: lower excursion-limited SPL | + |
| B&C 18DS100 | 34 +2 | 0.29 +0.05 | 155 -2 | 14.5 +0.5 | 97.5 -0.5 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Precision Devices PD.185N02 | 35.2 +3.2 | 0.24 = | 178.28 +21.28 | 12 -2 | 96.8 -1.2 | close | 8 Ω vs 4 Ω: amp load changes · 1100 W vs 1500 W: lower power handling · Xmax 12 mm < 14 mm: lower excursion-limited SPL | + |
| B&C 18DS115 | 30 -2 | 0.2 -0.04 | 168 +11 | 16.5 +2.5 | 98 = | close | 8 Ω vs 4 Ω: amp load changes | + |
| Beyma 18QLEX1600Fe | 30 -2 | 0.23 -0.01 | 195 +38 | 13 -1 | 97 -1 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 13 mm < 14 mm: lower excursion-limited SPL | + |
| B&C 18RS115 | 33 +1 | 0.22 -0.02 | 125 -32 | 23.5 +9.5 | 97.4 -0.6 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Oberton 18NXB1600 | 32.37 +0.37 | 0.303 +0.06 | 173.11 +16.11 | 13.5 -0.5 | 97 -1 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 13.5 mm < 14 mm: lower excursion-limited SPL | + |
| Precision Devices PD.1850/2 | 33.1 +1.1 | 0.24 = | 203.84 +46.84 | 11.1 -2.9 | 96.7 -1.3 | usable | 8 Ω vs 4 Ω: amp load changes · 800 W vs 1500 W: lower power handling · Xmax 11.1 mm < 14 mm: lower excursion-limited SPL | + |
| B&C 18SW115 | 32 = | 0.3 +0.06 | 187 +30 | 14 = | 97 -1 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| 18 Sound 18LW2600 | 30 -2 | 0.28 +0.04 | 186 +29 | 14 = | 96.5 -1.5 | usable | + |
Compare the closest 3 against the 18DS100 →
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.