Dayton Audio ST385-8
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 18.8 Hz |
| Qts | 0.317 |
| Qes | 0.33 |
| Qms | 8.3 |
| Vas | 301 L |
| Sd | 850.1 cm² |
| Xmax | 7.9 mm |
| Re | 5.8 Ω |
| Bl | 22.4 T·m |
| Mms | 241.2 g |
| Pe | 300 W |
| Sensitivity | 91.2 dB |
Alignment hint
| EBP | 57 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 75.7 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 |
|---|---|---|---|---|---|---|---|---|
| Rythmik Audio DS1501 | 17.5 -1.3 | 0.315 = | 295 -6 | 7.5 -0.4 | 92.9 +1.7 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 7.5 mm < 7.9 mm: lower excursion-limited SPL | + |
| Oxygen ALIUM 380 | 18 -0.8 | 0.3 -0.02 | 322 +21 | 7.9 = | 93.3 +2.1 | close | 4 Ω vs 8 Ω: amp load changes · 200 W vs 300 W: lower power handling | + |
| TC Sounds TC2000 vp | 18 -0.8 | 0.323 +0.01 | 267 -34 | 14 +6.1 | 92.5 +1.3 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Adire Audio TEMPEST DVC 4 Ohms config | 18.8 = | 0.377 +0.06 | 317 +16 | 8.2 +0.3 | 92.8 +1.6 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Dayton Audio DCS385-4 | 17.5 -1.3 | 0.389 +0.07 | 311 +10 | 9.3 +1.4 | 91.8 +0.6 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Monacor SPH-380TC série | 21.5 +2.7 | 0.279 -0.04 | 275 -26 | 7.4 -0.5 | 91.9 +0.7 | usable | Xmax 7.4 mm < 7.9 mm: lower excursion-limited SPL | + |
| Visaton TIW400 | 23 +4.2 | 0.348 +0.03 | 300 -1 | 10.6 +2.7 | 93.3 +2.1 | usable | + | |
| Next Audio AL 38 | 16 -2.8 | 0.369 +0.05 | 347.7 +46.7 | 7.5 -0.4 | 91.2 = | usable | 4 Ω vs 8 Ω: amp load changes · 200 W vs 300 W: lower power handling · Xmax 7.5 mm < 7.9 mm: lower excursion-limited SPL | + |
| Dayton Audio RSS390HF-4 | 18 -0.8 | 0.423 +0.11 | 281.8 -19.2 | 14 +6.1 | 91.1 -0.1 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| Visaton TIW 400-8 | 23 +4.2 | 0.35 +0.03 | 300 -1 | 27 +19.1 | 91.8 +0.6 | usable | + |
Compare the closest 3 against the ST385-8 →
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.