Cabasse 30BZ24

12" · 16 Ω · 80 W · 92.7 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	16 Ω
Fs	35 Hz
Qts	0.283
Qes	0.3
Qms	5.1
Vas	107 L
Sd	530.9 cm²
Xmax	3.4 mm
Re	10.4 Ω
Bl	24.1 T·m
Mms	76.4 g
Pe	80 W
Sensitivity	92.7 dB

Alignment hint

EBP	117 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 20.4 L

EBP > 100: favours a ported (bass-reflex) 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
Audax PR330M0 vp2	33.7 -1.3	0.284 =	122.2 +15.2	4 +0.6	95.1 +2.4	close	8 Ω vs 16 Ω: amp load changes	+
Volt RV3143 v2014	35 =	0.302 +0.02	86 -21	5.2 +1.8	93.8 +1.1	close	8 Ω vs 16 Ω: amp load changes	+
PHL Audio 4021 v2017	30 -5	0.281 =	96 -11	7 +3.6	93 +0.3	close	8 Ω vs 16 Ω: amp load changes	+
McCauley B1240	38 +3	0.286 =	110 +3	6.5 +3.1	96.3 +3.6	close	8 Ω vs 16 Ω: amp load changes	+
Beyma 12LW30/N	38 +3	0.287 =	109 +2	7 +3.6	96.2 +3.5	close	8 Ω vs 16 Ω: amp load changes	+
Beyma 12BR70 v2	35 =	0.355 +0.07	100 -7	4.1 +0.7	93.4 +0.7	close	8 Ω vs 16 Ω: amp load changes	+
SICA 12 S 2.5 CS	33 -2	0.265 -0.02	93.7 -13.3	6 +2.6	94 +1.3	close	8 Ω vs 16 Ω: amp load changes	+
MCM Electronics 55-2952	38 +3	0.338 +0.06	108 +1	3.8 +0.4	94.3 +1.6	close	8 Ω vs 16 Ω: amp load changes	+
Supravox 285 GMF vp richard	40 +5	0.298 +0.02	108 +1	3.7 +0.3	97.1 +4.4	usable	8 Ω vs 16 Ω: amp load changes	+
Tannoy DC 3139 D900 SYSTEM	35 =	0.368 +0.09	103.3 -3.7	3.7 +0.3	91.3 -1.4	usable		+

Compare the closest 3 against the 30BZ24 →

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.