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Dayton Audio TS400D-4 TITANIC MK 4

15" · 4 Ω · 900 W · 90.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size15"
Impedance4 Ω
Fs17.1 Hz
Qts0.367
Qes0.39
Qms6.14
Vas261 L
Sd822.2 cm²
Xmax18.8 mm
Re3.9 Ω
Bl18.4 T·m
Mms314.5 g
Pe900 W
Sensitivity90.3 dB

Alignment hint

EBP44 · 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
Stereo Integrity HT 1518.5 +1.40.349 -0.02220 -4124.7 +5.991.1 +0.8close+
Dayton Audio RSS390HF-418 +0.90.423 +0.06281.8 +20.814 -4.891.1 +0.8usable500 W vs 900 W: lower power handling · Xmax 14 mm < 18.8 mm: lower excursion-limited SPL+
TC Sounds TC2000 vp18 +0.90.323 -0.04267 +614 -4.892.5 +2.2usableXmax 14 mm < 18.8 mm: lower excursion-limited SPL+
Visaton TIW 400-823 +5.90.35 -0.02300 +3927 +8.291.8 +1.5usable8 Ω vs 4 Ω: amp load changes · 300 W vs 900 W: lower power handling+
Dayton Audio DCS385-417.5 +0.40.389 +0.02311 +509.3 -9.591.8 +1.5usable300 W vs 900 W: lower power handling · Xmax 9.3 mm < 18.8 mm: lower excursion-limited SPL+
Dayton Audio RSS390HF-4 v201519.5 +2.40.429 +0.06212 -4912 -6.891.2 +0.9usable500 W vs 900 W: lower power handling · Xmax 12 mm < 18.8 mm: lower excursion-limited SPL+
Next Audio AL 3816 -1.10.369 =347.7 +86.77.5 -11.391.2 +0.9usable200 W vs 900 W: lower power handling · Xmax 7.5 mm < 18.8 mm: lower excursion-limited SPL+
Adire Audio TEMPEST DVC 4 Ohms config18.8 +1.70.377 +0.01317 +568.2 -10.692.8 +2.5usable500 W vs 900 W: lower power handling · Xmax 8.2 mm < 18.8 mm: lower excursion-limited SPL+
Dayton Audio ST385-818.8 +1.70.317 -0.05301 +407.9 -10.991.2 +0.9usable8 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 SBP15-821.3 +4.20.432 +0.07364 +10314 -4.892.3 +2usable8 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.