18 Sound 15W750
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 16 Ω |
| Fs | 40 Hz |
| Qts | 0.42 |
| Qes | 0.44 |
| Qms | 7.7 |
| Vas | 182 L |
| Sd | 850 cm² |
| Xmax | 8 mm |
| Re | 10.25 Ω |
| Bl | 23.5 T·m |
| Mms | 94 g |
| Pe | 600 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 91 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 99.2 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 |
|---|---|---|---|---|---|---|---|---|
| BMS 15N630 | 39 -1 | 0.42 = | 152 -30 | 8 = | 98 = | close | 8 Ω vs 16 Ω: amp load changes | + |
| Cyrille Audio GM38F76P | 38.8 -1.2 | 0.419 = | 192.6 +10.6 | 6.6 -1.4 | 97.7 -0.3 | close | 8 Ω vs 16 Ω: amp load changes · 350 W vs 600 W: lower power handling · Xmax 6.6 mm < 8 mm: lower excursion-limited SPL | + |
| B&C 15 FCX 76 | 40 = | 0.445 +0.03 | 187 +5 | 6.5 -1.5 | 97.9 -0.1 | close | 8 Ω vs 16 Ω: amp load changes · 400 W vs 600 W: lower power handling · Xmax 6.5 mm < 8 mm: lower excursion-limited SPL | + |
| Beyma SM115 | 42 +2 | 0.405 -0.01 | 185 +3 | 6.7 -1.3 | 98.2 +0.2 | close | 8 Ω vs 16 Ω: amp load changes · 400 W vs 600 W: lower power handling · Xmax 6.7 mm < 8 mm: lower excursion-limited SPL | + |
| Faital PRO 15FH520 | 36 -4 | 0.39 -0.03 | 186.5 +4.5 | 8.75 +0.75 | 98 = | close | 8 Ω vs 16 Ω: amp load changes | + |
| Beyma 15CXA400Fe | 40 = | 0.419 = | 191 +9 | 6 -2 | 97.6 -0.4 | close | 8 Ω vs 16 Ω: amp load changes · 400 W vs 600 W: lower power handling · Xmax 6 mm < 8 mm: lower excursion-limited SPL | + |
| Faital PRO 15FH520 v2025 | 36 -4 | 0.394 -0.03 | 186.5 +4.5 | 8.8 +0.8 | 96.8 -1.2 | close | 8 Ω vs 16 Ω: amp load changes | + |
| BMS 15N630 v2015 | 39 -1 | 0.422 = | 152 -30 | 7.8 -0.2 | 96.2 -1.8 | close | 8 Ω vs 16 Ω: amp load changes · Xmax 7.8 mm < 8 mm: lower excursion-limited SPL | + |
| 18 Sound 15ND930 | 38 -2 | 0.39 -0.03 | 195 +13 | 7.5 -0.5 | 97 -1 | close | Xmax 7.5 mm < 8 mm: lower excursion-limited SPL | + |
| Eminence KILOMAX PRO 15 | 41 +1 | 0.383 -0.04 | 154.5 -27.5 | 7.9 -0.1 | 98.3 +0.3 | close | 8 Ω vs 16 Ω: amp load changes · Xmax 7.9 mm < 8 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 15W750 →
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.