BD Design BD15
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 16 Ω |
| Fs | 38.9 Hz |
| Qts | 0.247 |
| Qes | 0.26 |
| Qms | 5.12 |
| Vas | 258.2 L |
| Sd | 855 cm² |
| Xmax | 4 mm |
| Re | 13.6 Ω |
| Bl | 29.1 T·m |
| Mms | 66.4 g |
| Pe | 200 W |
| Sensitivity | 97.3 dB |
Alignment hint
| EBP | 150 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 35.9 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 380 MSPA | 36 -2.9 | 0.246 = | 242.2 -16 | 3.6 -0.4 | 97.8 +0.5 | close | 8 Ω vs 16 Ω: amp load changes · Xmax 3.6 mm < 4 mm: lower excursion-limited SPL | + |
| Altec 3156 | 38 -0.9 | 0.24 -0.01 | 246.4 -11.8 | 3.8 -0.2 | 99.8 +2.5 | close | 8 Ω vs 16 Ω: amp load changes · Xmax 3.8 mm < 4 mm: lower excursion-limited SPL | + |
| Great Plains Audio 3156 GPA | 38 -0.9 | 0.24 -0.01 | 246.4 -11.8 | 3.8 -0.2 | 99.8 +2.5 | close | 8 Ω vs 16 Ω: amp load changes · Xmax 3.8 mm < 4 mm: lower excursion-limited SPL | + |
| JBL E145 | 35 -3.9 | 0.249 = | 274.7 +16.5 | 4.1 +0.1 | 100 +2.7 | close | 8 Ω vs 16 Ω: amp load changes · 150 W vs 200 W: lower power handling | + |
| PD 153ERC002 | 38 -0.9 | 0.249 = | 263 +4.8 | 6.8 +2.8 | 100.9 +3.6 | close | 8 Ω vs 16 Ω: amp load changes | + |
| Precision Devices 153ERC002 | 38 -0.9 | 0.249 = | 263 +4.8 | 6.8 +2.8 | 100.9 +3.6 | close | 8 Ω vs 16 Ω: amp load changes | + |
| Fostex 15W-300 | 31 -7.9 | 0.26 +0.01 | 262 +3.8 | 4 = | 97.3 = | close | 8 Ω vs 16 Ω: amp load changes | + |
| Audax PR38LEX100VST | 38.7 -0.2 | 0.258 +0.01 | 221.1 -37.1 | 4 = | 100.1 +2.8 | close | 8 Ω vs 16 Ω: amp load changes | + |
| 18 Sound 15W750 | 39 +0.1 | 0.29 +0.04 | 253 -5.2 | 8 +4 | 97 -0.3 | close | 4 Ω vs 16 Ω: amp load changes | + |
| LaVoce WAF153.02 | 35 -3.9 | 0.261 +0.01 | 244 -14.2 | 4.6 +0.6 | 99.7 +2.4 | close | 8 Ω vs 16 Ω: amp load changes | + |
Compare the closest 3 against the BD15 →
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.