Pioneer TS-W304C

12" · 4 Ω · 300 W · 93.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	4 Ω
Fs	22.3 Hz
Qts	0.274
Qes	0.282
Qms	10.219
Vas	134 L
Sd	496 cm²
Xmax	9.8 mm
Re	3 Ω
Bl	14 T·m
Mms	131.1 g
Pe	300 W
Sensitivity	93.5 dB

Alignment hint

EBP	79 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 23.7 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
GR Research SW-12-04	21 -1.3	0.279 +0.01	137 +3	8.3 -1.5	92.5 -1	close	200 W vs 300 W: lower power handling · Xmax 8.3 mm < 9.8 mm: lower excursion-limited SPL	+
Pioneer TS-W 304 C	21 -1.3	0.307 +0.03	136 +2	11 +1.2	92.2 -1.3	close		+
Infinity TWEELVE vp	22 -0.3	0.242 -0.03	158 +24	10 +0.2	93.3 -0.2	close	8 Ω vs 4 Ω: amp load changes	+
Visaton TIW300	25 +2.7	0.282 +0.01	160 +26	9.7 -0.1	92.9 -0.6	close	8 Ω vs 4 Ω: amp load changes · Xmax 9.7 mm < 9.8 mm: lower excursion-limited SPL	+
JBL 1200FE-8	27 +4.7	0.256 -0.02	125 -9	10 +0.2	93.3 -0.2	close	8 Ω vs 4 Ω: amp load changes	+
Eminence LAB 12 C	22.9 +0.6	0.33 +0.06	128.3 -5.7	11 +1.2	92.6 -0.9	close		+
Helix P12	21.4 -0.9	0.302 +0.03	118.6 -15.4	9.9 +0.1	91.4 -2.1	close		+
Infinity BETA12	22 -0.3	0.242 -0.03	158 +24	10 +0.2	94.8 +1.3	close		+
Peerless XXLS12-8+8	21.8 -0.5	0.357 +0.08	144.2 +10.2	9.7 -0.1	93.1 -0.4	usable	175 W vs 300 W: lower power handling · Xmax 9.7 mm < 9.8 mm: lower excursion-limited SPL	+
Pioneer TS-W1201C	20 -2.3	0.291 +0.02	118 -16	9.2 -0.6	91.2 -2.3	usable	Xmax 9.2 mm < 9.8 mm: lower excursion-limited SPL	+

Compare the closest 3 against the TS-W304C →

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.