GR Research SW-12-08

12" · 8 Ω · 200 W · 89.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	23.1 Hz
Qts	0.339
Qes	0.37
Qms	4.04
Vas	115.7 L
Sd	490 cm²
Xmax	8 mm
Re	6 Ω
Bl	18 T·m
Mms	138.1 g
Pe	200 W
Sensitivity	89.1 dB

Alignment hint

EBP	62 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 34.5 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
Eminence LAB 12C	23 -0.1	0.33 -0.01	128.31 +12.61	13 +5	88.9 -0.2	close	4 Ω vs 8 Ω: amp load changes	+
Kenwood XR-W1204	21.5 -1.6	0.341 =	125.386 +9.69	10.8 +2.8	87.3 -1.8	close	4 Ω vs 8 Ω: amp load changes	+
Mivoc XAW 320 HC	22.6 -0.5	0.374 +0.03	106 -9.7	8.4 +0.4	90.7 +1.6	close	4 Ω vs 8 Ω: amp load changes	+
Eminence LAB 12 \|	22 -1.1	0.38 +0.04	125.2 +9.5	13 +5	89.2 +0.1	close	6 Ω vs 8 Ω: amp load changes	+
Eminence LAB 12 C	22.9 -0.2	0.33 -0.01	128.3 +12.6	11 +3	92.6 +3.5	close	4 Ω vs 8 Ω: amp load changes	+
Ground Zero GZHW 30X	22.6 -0.5	0.32 -0.02	101 -14.7	12.3 +4.3	90.6 +1.5	close	4 Ω vs 8 Ω: amp load changes	+
Eminence LAB 12	22 -1.1	0.379 +0.04	125.2 +9.5	11 +3	90 +0.9	close		+
Visaton TIW360X	21 -2.1	0.336 =	140 +24.3	12.2 +4.2	88.8 -0.3	close		+
Dayton Audio DSC305-4	23 -0.1	0.408 +0.07	116 +0.3	9.3 +1.3	91 +1.9	close	4 Ω vs 8 Ω: amp load changes	+
Dayton Audio DCS305-4	22.9 -0.2	0.408 +0.07	116.6 +0.9	9.3 +1.3	91 +1.9	close	4 Ω vs 8 Ω: amp load changes	+

Compare the closest 3 against the SW-12-08 →

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.