Pioneer TS-W307D2

12" · 2 Ω · 400 W · 94.9 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	2 Ω
Fs	33.9 Hz
Qts	0.435
Qes	0.45
Qms	13.17
Vas	42.2 L
Sd	460 cm²
Xmax	7.1 mm
Re	1.5 Ω
Bl	10.5 T·m
Mms	154.9 g
Pe	400 W
Sensitivity	94.9 dB

Alignment hint

EBP	75 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 25.7 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
Gladen SQX12	36.7 +2.8	0.405 -0.03	40.9 -1.3	7 -0.1	92.6 -2.3	close	4 Ω vs 2 Ω: amp load changes · Xmax 7 mm < 7.1 mm: lower excursion-limited SPL	+
Celestion FTR12-4080DL/4	35.3 +1.4	0.428 -0.01	51.4 +9.2	8 +0.9	92.5 -2.4	close	4 Ω vs 2 Ω: amp load changes	+
Massive Audio REBEL 124	32.6 -1.3	0.485 +0.05	38 -4.2	7.1 =	92.4 -2.5	close		+
Dayton Audio TITANIC	36.3 +2.4	0.506 +0.07	44 +1.8	7.4 +0.3	92 -2.9	usable	4 Ω vs 2 Ω: amp load changes	+
Pioneer TS-W306C	32.6 -1.3	0.414 -0.02	55.6 +13.4	8.1 +1	92.8 -2.1	usable	4 Ω vs 2 Ω: amp load changes	+
DD Audio REDLINE 700 SERIES	28.3 -5.6	0.434 =	39.6 -2.6	7 -0.1	90.7 -4.2	usable	4 Ω vs 2 Ω: amp load changes · Xmax 7 mm < 7.1 mm: lower excursion-limited SPL	+
Pioneer TS-W307D4	34.8 +0.9	0.52 +0.09	40.9 -1.3	7.4 +0.3	91.3 -3.6	usable	4 Ω vs 2 Ω: amp load changes	+
JBL P1220	28.7 -5.2	0.448 +0.01	47.4 +5.2	7.8 +0.7	91.8 -3.1	usable		+
JBL 1200 GTI	37 +3.1	0.47 +0.03	56.7 +14.5	8 +0.9	94.5 -0.4	usable	4 Ω vs 2 Ω: amp load changes	+
Focal P30DB	29.4 -4.5	0.427 -0.01	56.8 +14.6	7.7 +0.6	93.7 -1.2	usable		+

Compare the closest 3 against the TS-W307D2 →

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.