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Pioneer TS-A30S4

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

Thiele-Small parameters

Nominal size12"
Impedance4 Ω
Fs39.2 Hz
Qts0.7
Qes0.767
Qms8
Vas56.1 L
Sd576 cm²
Xmax6.6 mm
Re3.4 Ω
Bl12.2 T·m
Mms136.7 g
Pe400 W
Sensitivity92.1 dB

Alignment hint

EBP51 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 2748.9 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
hertz Hertz Audio ES300.535 -4.20.66 -0.0448.5 -7.66.8 +0.290.8 -1.3close+
Peerless SBS-300F38CP01-0436 -3.20.611 -0.0955.8 -0.35.9 -0.790.9 -1.2close250 W vs 400 W: lower power handling · Xmax 5.9 mm < 6.6 mm: lower excursion-limited SPL+
Selenium 12SW10A DVC36 -3.20.665 -0.0363.6 +7.57 +0.494.7 +2.6close2 Ω vs 4 Ω: amp load changes+
Selenium 12SW3A DVC 2+235 -4.20.724 +0.0249 -7.16.5 -0.189.6 -2.5closeXmax 6.5 mm < 6.6 mm: lower excursion-limited SPL+
Ground Zero GZIW 300X34.9 -4.30.69 -0.0153.6 -2.57.5 +0.986.6 -5.5usable+
Hertz Audio ES F30.538 -1.20.6 -0.160 +3.96 -0.688.6 -3.5usableXmax 6 mm < 6.6 mm: lower excursion-limited SPL+
Fountek FW30037.3 -1.90.783 +0.0850.1 -65.5 -1.189.8 -2.3usable300 W vs 400 W: lower power handling · Xmax 5.5 mm < 6.6 mm: lower excursion-limited SPL+
MTX Audio XT12-4434.5 -4.70.702 =57 +0.94.3 -2.394.1 +2usable2 Ω vs 4 Ω: amp load changes · 250 W vs 400 W: lower power handling · Xmax 4.3 mm < 6.6 mm: lower excursion-limited SPL+
MTX Audio RTS12-0433.5 -5.70.631 -0.0758.4 +2.35.8 -0.889.5 -2.6usable250 W vs 400 W: lower power handling · Xmax 5.8 mm < 6.6 mm: lower excursion-limited SPL+
MTX Audio T850035.5 -3.70.734 +0.0341.5 -14.65.4 -1.292.2 +0.1usable2 Ω vs 4 Ω: amp load changes · Xmax 5.4 mm < 6.6 mm: lower excursion-limited SPL+

Compare the closest 3 against the TS-A30S4 →

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.