Eminence DELTA PRO 12A

12" · 8 Ω · 400 W · 99.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	51 Hz
Qts	0.35
Qes	0.37
Qms	7.56
Vas	81.7 L
Sd	532.4 cm²
Xmax	4.6 mm
Re	5.71 Ω
Bl	15.3 T·m
Mms	48 g
Pe	400 W
Sensitivity	99.2 dB

Alignment hint

EBP	138 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 26.5 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
Eminence DELTA PRO 12 A	51 =	0.353 =	81.7 =	6.2 +1.6	98.1 -1.1	close		+
Eminence DELTA PRO 12 A vp	51 =	0.353 =	81.7 =	6.2 +1.6	98.1 -1.1	close		+
RCF MB 12N251	50 -1	0.338 -0.01	83 +1.3	5 +0.4	98.5 -0.7	close	300 W vs 400 W: lower power handling	+
Faital PRO 12PR300 v2015	50 -1	0.357 +0.01	79.2 -2.5	4.9 +0.3	98 -1.2	close	300 W vs 400 W: lower power handling	+
Faital PRO 12PR300	50 -1	0.36 +0.01	92.6 +10.9	4.92 +0.32	99 -0.2	close	300 W vs 400 W: lower power handling	+
Eminence KAPPALITE 3012 H0	51.5 +0.5	0.318 -0.03	81.1 -0.6	5.8 +1.2	98.9 -0.3	close		+
B&C 12 FCX 76	47 -4	0.339 -0.01	82 +0.3	5 +0.4	97.6 -1.6	close		+
Monacor SP-12A/302PA	50 -1	0.335 -0.01	77 -4.7	5 +0.4	97.3 -1.9	close	300 W vs 400 W: lower power handling	+
18 Sound 12MB606	50 -1	0.323 -0.03	84 +2.3	6.4 +1.8	98.3 -0.9	close		+
Eminence KappaLITE 3012HO	52 +1	0.32 -0.03	81.1 -0.6	6.2 +1.6	100.5 +1.3	close		+

Compare the closest 3 against the DELTA PRO 12A →

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.