JBL MI-12

12" · 8 Ω · 150 W · 99.1 dB

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	65 Hz
Qts	0.459
Qes	0.58
Qms	2.2
Vas	76.5 L
Sd	547.7 cm²
Xmax	3.1 mm
Re	5.6 Ω
Bl	11.4 T·m
Mms	33 g
Pe	150 W
Sensitivity	99.1 dB

Alignment hint

EBP	112 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 55.7 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
Philips AD12100 vp N°1	55.7 -9.3	0.475 +0.02	80.1 +3.6	3 -0.1	99.3 +0.2	close	4 Ω vs 8 Ω: amp load changes · 100 W vs 150 W: lower power handling · Xmax 3 mm < 3.1 mm: lower excursion-limited SPL	+
SICA 12 C 2 CP	63 -2	0.509 +0.05	70 -6.5	4.2 +1.1	98 -1.1	close		+
Monacor SP-12/100PA v4	52.5 -12.5	0.462 =	77.3 +0.8	3.3 +0.2	96.4 -2.7	close	100 W vs 150 W: lower power handling	+
LaVoce FBASS12-20	53 -12	0.46 =	75.41 -1.09	4.3 +1.2	97 -2.1	close		+
Philips AD12100 vp N°3	55.3 -9.7	0.519 +0.06	78.2 +1.7	3 -0.1	98.6 -0.5	close	4 Ω vs 8 Ω: amp load changes · 100 W vs 150 W: lower power handling · Xmax 3 mm < 3.1 mm: lower excursion-limited SPL	+
Audax PR330T0	55 -10	0.435 -0.02	73.7 -2.8	3.7 +0.6	97.3 -1.8	close		+
Monacor SP-12/100PA v1	53.3 -11.7	0.472 +0.01	74.8 -1.7	3.3 +0.2	96.4 -2.7	close	100 W vs 150 W: lower power handling	+
RCF L 12/568H	58 -7	0.409 -0.05	72 -4.5	4 +0.9	98.1 -1	close		+
RCF L12CX2K	59.7 -5.3	0.46 =	65 -11.5	4 +0.9	96.3 -2.8	close	75 W vs 150 W: lower power handling	+
Eminence DELTA 12B	58 -7	0.48 +0.02	87 +10.5	2.7 -0.4	98.3 -0.8	close	16 Ω vs 8 Ω: amp load changes · Xmax 2.7 mm < 3.1 mm: lower excursion-limited SPL	+

Compare the closest 3 against the MI-12 →

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.