Cabasse 30M22

12" · 8 Ω · 200 W · 97.7 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	31.5 Hz
Qts	0.315
Qes	0.33
Qms	6.86
Vas	196.1 L
Sd	490 cm²
Xmax	8 mm
Re	4.02 Ω
Bl	10.3 T·m
Mms	43.7 g
Pe	200 W
Sensitivity	97.7 dB

Alignment hint

EBP	95 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 48.6 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 TD	31 -0.5	0.324 +0.01	200 +3.9	7.3 -0.7	95.5 -2.2	close	150 W vs 200 W: lower power handling · Xmax 7.3 mm < 8 mm: lower excursion-limited SPL	+
Visaton TD1	30.3 -1.2	0.327 +0.01	200 +3.9	7.6 -0.4	95.3 -2.4	close	150 W vs 200 W: lower power handling · Xmax 7.6 mm < 8 mm: lower excursion-limited SPL	+
Visaton WS33NG	30 -1.5	0.308 -0.01	190 -6.1	8 =	94.5 -3.2	close		+
Westra SW-300-2808	30 -1.5	0.322 +0.01	209 +12.9	9.3 +1.3	94.7 -3	close		+
Rockford Fosgate S1-124	28 -3.5	0.326 +0.01	186 -10.1	9.9 +1.9	96.2 -1.5	close	4 Ω vs 8 Ω: amp load changes	+
Beyma SM212	34 +2.5	0.258 -0.06	198 +1.9	8.2 +0.2	98 +0.3	close		+
Davis 31TCA12 vp rc	32.5 +1	0.314 =	222 +25.9	6 -2	96.2 -1.5	close	Xmax 6 mm < 8 mm: lower excursion-limited SPL	+
Davis 31TCA12 v2009	32.5 +1	0.31 -0.01	222 +25.9	6 -2	95.9 -1.8	close	Xmax 6 mm < 8 mm: lower excursion-limited SPL	+
Audax HT300Z2	31.5 =	0.337 +0.02	162.5 -33.6	5.9 -2.1	97.5 -0.2	usable	4 Ω vs 8 Ω: amp load changes · 120 W vs 200 W: lower power handling · Xmax 5.9 mm < 8 mm: lower excursion-limited SPL	+
AE Speakers TD12S	31.5 =	0.336 +0.02	159.4 -36.7	7 -1	94.9 -2.8	usable	Xmax 7 mm < 8 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 30M22 →

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.