Kenwood XR-W1204

12" · 4 Ω · 400 W · 87.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	4 Ω
Fs	21.5 Hz
Qts	0.341
Qes	0.356
Qms	8.143
Vas	125.386 L
Sd	601 cm²
Xmax	10.8 mm
Re	3.65 Ω
Bl	17.6 T·m
Mms	223.8 g
Pe	400 W
Sensitivity	87.3 dB

Alignment hint

EBP	60 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 38 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
Visaton TIW 360X	21 -0.5	0.34 =	140 +14.61	12.5 +1.7	87.3 =	close	8 Ω vs 4 Ω: amp load changes · 300 W vs 400 W: lower power handling	+
Helix W-12 COMPETITION	21.4 -0.1	0.3 -0.04	118.6 -6.79	11 +0.2	87.3 =	close		+
Visaton TIW360X	21 -0.5	0.336 -0.01	140 +14.61	12.2 +1.4	88.8 +1.5	close	8 Ω vs 4 Ω: amp load changes · 300 W vs 400 W: lower power handling	+
Eminence LAB 12C	23 +1.5	0.33 -0.01	128.31 +2.92	13 +2.2	88.9 +1.6	close		+
Eminence LAB 12 \|	22 +0.5	0.38 +0.04	125.2 -0.19	13 +2.2	89.2 +1.9	close	6 Ω vs 4 Ω: amp load changes	+
Eminence LAB 12	22 +0.5	0.379 +0.04	125.2 -0.19	11 +0.2	90 +2.7	close	8 Ω vs 4 Ω: amp load changes	+
Eminence LAB 12 C	22.9 +1.4	0.33 -0.01	128.3 +2.91	11 +0.2	92.6 +5.3	close		+
Pioneer TSW 304 C	21 -0.5	0.342 =	146 +20.61	11 +0.2	92 +4.7	close	300 W vs 400 W: lower power handling	+
Image Dynamics IDMAX 12D4V3	20 -1.5	0.336 -0.01	165 +39.61	12.3 +1.5	88.4 +1.1	close	8 Ω vs 4 Ω: amp load changes	+
GR Research SW-12-08	23.1 +1.6	0.339 =	115.7 -9.69	8 -2.8	89.1 +1.8	close	8 Ω vs 4 Ω: amp load changes · 200 W vs 400 W: lower power handling · Xmax 8 mm < 10.8 mm: lower excursion-limited SPL	+

Compare the closest 3 against the XR-W1204 →

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.