Dayton Audio TS400D-4 TITANIC MK 4
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 4 Ω |
| Fs | 17.1 Hz |
| Qts | 0.367 |
| Qes | 0.39 |
| Qms | 6.14 |
| Vas | 261 L |
| Sd | 822.2 cm² |
| Xmax | 18.8 mm |
| Re | 3.9 Ω |
| Bl | 18.4 T·m |
| Mms | 314.5 g |
| Pe | 900 W |
| Sensitivity | 90.3 dB |
Alignment hint
| EBP | 44 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 96.2 L |
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 |
|---|---|---|---|---|---|---|---|---|
| Stereo Integrity HT 15 | 18.5 +1.4 | 0.349 -0.02 | 220 -41 | 24.7 +5.9 | 91.1 +0.8 | close | + | |
| Dayton Audio RSS390HF-4 | 18 +0.9 | 0.423 +0.06 | 281.8 +20.8 | 14 -4.8 | 91.1 +0.8 | usable | 500 W vs 900 W: lower power handling · Xmax 14 mm < 18.8 mm: lower excursion-limited SPL | + |
| TC Sounds TC2000 vp | 18 +0.9 | 0.323 -0.04 | 267 +6 | 14 -4.8 | 92.5 +2.2 | usable | Xmax 14 mm < 18.8 mm: lower excursion-limited SPL | + |
| Visaton TIW 400-8 | 23 +5.9 | 0.35 -0.02 | 300 +39 | 27 +8.2 | 91.8 +1.5 | usable | 8 Ω vs 4 Ω: amp load changes · 300 W vs 900 W: lower power handling | + |
| Dayton Audio DCS385-4 | 17.5 +0.4 | 0.389 +0.02 | 311 +50 | 9.3 -9.5 | 91.8 +1.5 | usable | 300 W vs 900 W: lower power handling · Xmax 9.3 mm < 18.8 mm: lower excursion-limited SPL | + |
| Dayton Audio RSS390HF-4 v2015 | 19.5 +2.4 | 0.429 +0.06 | 212 -49 | 12 -6.8 | 91.2 +0.9 | usable | 500 W vs 900 W: lower power handling · Xmax 12 mm < 18.8 mm: lower excursion-limited SPL | + |
| Next Audio AL 38 | 16 -1.1 | 0.369 = | 347.7 +86.7 | 7.5 -11.3 | 91.2 +0.9 | usable | 200 W vs 900 W: lower power handling · Xmax 7.5 mm < 18.8 mm: lower excursion-limited SPL | + |
| Adire Audio TEMPEST DVC 4 Ohms config | 18.8 +1.7 | 0.377 +0.01 | 317 +56 | 8.2 -10.6 | 92.8 +2.5 | usable | 500 W vs 900 W: lower power handling · Xmax 8.2 mm < 18.8 mm: lower excursion-limited SPL | + |
| Dayton Audio ST385-8 | 18.8 +1.7 | 0.317 -0.05 | 301 +40 | 7.9 -10.9 | 91.2 +0.9 | usable | 8 Ω vs 4 Ω: amp load changes · 300 W vs 900 W: lower power handling · Xmax 7.9 mm < 18.8 mm: lower excursion-limited SPL | + |
| AE Speakers SBP15-8 | 21.3 +4.2 | 0.432 +0.07 | 364 +103 | 14 -4.8 | 92.3 +2 | usable | 8 Ω vs 4 Ω: amp load changes · 500 W vs 900 W: lower power handling · Xmax 14 mm < 18.8 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the TS400D-4 TITANIC MK 4 →
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.