DS18 BD-X154D
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 16 Ω |
| Fs | 35 Hz |
| Qts | 1.719 |
| Qes | 2.311 |
| Qms | 6.703 |
| Vas | 240 L |
| Sd | 851 cm² |
| Xmax | 6.1 mm |
| Re | 8 Ω |
| Bl | 8.2 T·m |
| Mms | 87.5 g |
| Pe | 550 W |
| Sensitivity | 88.5 dB |
Alignment hint
| EBP | 15 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | Qts too high |
EBP < 50: favours a sealed (closed) 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 |
|---|---|---|---|---|---|---|---|---|
| GRS 15PF-8 | 29 -6 | 1.394 -0.33 | 265.9 +25.9 | 4 -2.1 | 87.7 -0.8 | usable | 8 Ω vs 16 Ω: amp load changes · 150 W vs 550 W: lower power handling · Xmax 4 mm < 6.1 mm: lower excursion-limited SPL | + |
| Goldwood GW-215/4 | 29.6 -5.4 | 1.861 +0.14 | 291.6 +51.6 | 3 -3.1 | 88 -0.5 | usable | 4 Ω vs 16 Ω: amp load changes · 135 W vs 550 W: lower power handling · Xmax 3 mm < 6.1 mm: lower excursion-limited SPL | + |
| Goldwood GW-215/8 | 29.5 -5.5 | 1.952 +0.23 | 366.5 +126.5 | 3.5 -2.6 | 87.9 -0.6 | usable | 8 Ω vs 16 Ω: amp load changes · 135 W vs 550 W: lower power handling · Xmax 3.5 mm < 6.1 mm: lower excursion-limited SPL | + |
| Eminence ALPHA 15 | 41 +6 | 1.263 -0.46 | 260 +20 | 3.8 -2.3 | 94 +5.5 | risky | 8 Ω vs 16 Ω: amp load changes · 200 W vs 550 W: lower power handling · Xmax 3.8 mm < 6.1 mm: lower excursion-limited SPL | + |
| Eminence ALPHA 15 A | 41 +6 | 1.263 -0.46 | 260 +20 | 3.8 -2.3 | 94 +5.5 | risky | 8 Ω vs 16 Ω: amp load changes · 200 W vs 550 W: lower power handling · Xmax 3.8 mm < 6.1 mm: lower excursion-limited SPL | + |
| Goldwood GW-215/40/8 | 30.5 -4.5 | 1.087 -0.63 | 261.2 +21.2 | 3.5 -2.6 | 89.8 +1.3 | risky | 8 Ω vs 16 Ω: amp load changes · 150 W vs 550 W: lower power handling · Xmax 3.5 mm < 6.1 mm: lower excursion-limited SPL | + |
| Skytronic 15" PP | 29.2 -5.8 | 0.929 -0.79 | 178 -62 | 6 -0.1 | 88.6 +0.1 | risky | 8 Ω vs 16 Ω: amp load changes · 300 W vs 550 W: lower power handling · Xmax 6 mm < 6.1 mm: lower excursion-limited SPL | + |
| Jinwey YDA-380-4 | 34.3 -0.7 | 1.186 -0.53 | 252.9 +12.9 | 3 -3.1 | 93.9 +5.4 | risky | 4 Ω vs 16 Ω: amp load changes · 120 W vs 550 W: lower power handling · Xmax 3 mm < 6.1 mm: lower excursion-limited SPL | + |
| Carpower SP-382C | 30 -5 | 1.279 -0.44 | 320 +80 | 3.5 -2.6 | 92.1 +3.6 | risky | 4 Ω vs 16 Ω: amp load changes · 150 W vs 550 W: lower power handling · Xmax 3.5 mm < 6.1 mm: lower excursion-limited SPL | + |
| Eminence ALPHA-15A | 41 +6 | 1.26 -0.46 | 260 +20 | 3.8 -2.3 | 97 +8.5 | risky | 8 Ω vs 16 Ω: amp load changes · 200 W vs 550 W: lower power handling · Xmax 3.8 mm < 6.1 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the BD-X154D →
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.