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Pioneer TS-W311D4

12" · 4 Ω · 400 W · 92.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance4 Ω
Fs43 Hz
Qts0.95
Qes1.02
Qms13.79
Vas32.7 L
Sd520 cm²
Xmax4.8 mm
Re2 Ω
Bl9.2 T·m
Mms158.8 g
Pe400 W
Sensitivity92.1 dB

Alignment hint

EBP42 · 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
Pioneer TS-W311S442 -10.795 -0.1537.5 +4.85.8 +191.4 -0.7close+
Pioneer TS-W31041 -21.162 +0.2132.1 -0.64.3 -0.588.5 -3.6usableXmax 4.3 mm < 4.8 mm: lower excursion-limited SPL+
Fountek FW300DV vp 2 aimants46.3 +3.30.885 -0.0643 +10.34.2 -0.688.4 -3.7usable8 Ω vs 4 Ω: amp load changes · 300 W vs 400 W: lower power handling · Xmax 4.2 mm < 4.8 mm: lower excursion-limited SPL+
Pioneer TS-W309D437.2 -5.80.811 -0.1433.8 +1.15.7 +0.986.4 -5.7usable8 Ω vs 4 Ω: amp load changes+
MTX Audio T850035.5 -7.50.734 -0.2241.5 +8.85.4 +0.692.2 +0.1usable2 Ω vs 4 Ω: amp load changes+
Skar Audio EV-12 S445.7 +2.70.71 -0.2434.8 +2.18.5 +3.788 -4.1usable200 W vs 400 W: lower power handling+
Skar Audio EV-12 S243.1 +0.10.7 -0.2536.7 +48.5 +3.787.6 -4.5usable2 Ω vs 4 Ω: amp load changes · 200 W vs 400 W: lower power handling+
Visaton WS32AW45 +20.857 -0.0947 +14.33.7 -1.188.9 -3.2usable8 Ω vs 4 Ω: amp load changes · 150 W vs 400 W: lower power handling · Xmax 3.7 mm < 4.8 mm: lower excursion-limited SPL+
Pioneer TS-W310D437 -60.778 -0.1737.4 +4.76.2 +1.487 -5.1usable8 Ω vs 4 Ω: amp load changes+
Monacor RAPTOR 1243 =0.624 -0.3327.5 -5.28.5 +3.790.7 -1.4usable+

Compare the closest 3 against the TS-W311D4 →

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.