Massive Audio REBEL 124

12" · 2 Ω · 500 W · 92.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	2 Ω
Fs	32.6 Hz
Qts	0.485
Qes	0.532
Qms	5.5
Vas	38 L
Sd	507 cm²
Xmax	7.1 mm
Re	1.8 Ω
Bl	12.5 T·m
Mms	226 g
Pe	500 W
Sensitivity	92.4 dB

Alignment hint

EBP	61 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 33.8 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
Pioneer TS-W307D4	34.8 +2.2	0.52 +0.04	40.9 +2.9	7.4 +0.3	91.3 -1.1	close	4 Ω vs 2 Ω: amp load changes	+
Dayton Audio TITANIC	36.3 +3.7	0.506 +0.02	44 +6	7.4 +0.3	92 -0.4	close	4 Ω vs 2 Ω: amp load changes	+
Rockford Fosgate T112D2	31 -1.6	0.474 -0.01	34.8 -3.2	8.2 +1.1	89 -3.4	close	4 Ω vs 2 Ω: amp load changes	+
JBL W12GTI	31.8 -0.8	0.508 +0.02	44.8 +6.8	9.9 +2.8	90.1 -2.3	close	4 Ω vs 2 Ω: amp load changes	+
JBL W12GTi MKII	31.8 -0.8	0.508 +0.02	44.8 +6.8	9.9 +2.8	90.1 -2.3	close	4 Ω vs 2 Ω: amp load changes	+
JBL W12GTIe	31.8 -0.8	0.508 +0.02	44.8 +6.8	9.9 +2.8	90.1 -2.3	close	4 Ω vs 2 Ω: amp load changes	+
Pioneer TS-W307D2	33.9 +1.3	0.435 -0.05	42.2 +4.2	7.1 =	94.9 +2.5	close		+
Alpine 1242D	29 -3.6	0.47 -0.02	45 +7	9.1 +2	91.4 -1	close	4 Ω vs 2 Ω: amp load changes	+
DC Audio LV4 D2	35.9 +3.3	0.5 +0.02	30.6 -7.4	11 +3.9	92.2 -0.2	close	4 Ω vs 2 Ω: amp load changes	+
Polk Audio MM1240	35 +2.4	0.53 +0.05	38 =	25 +17.9	92 -0.4	close	4 Ω vs 2 Ω: amp load changes	+

Compare the closest 3 against the REBEL 124 →

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.