Eminence DELTA-12A

12" · 8 Ω · 400 W · 98.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	55 Hz
Qts	0.43
Qes	0.46
Qms	5.27
Vas	81.3 L
Sd	519.5 cm²
Xmax	2.4 mm
Re	6.3 Ω
Bl	13.5 T·m
Mms	39 g
Pe	400 W
Sensitivity	98.3 dB

Alignment hint

EBP	120 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 47.7 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
Eminence DELTA 12	55 =	0.423 -0.01	81.3 =	2.4 =	97.7 -0.6	close		+
Eminence DELTA 12 B	55 =	0.423 -0.01	83.1 +1.8	2.7 +0.3	97.8 -0.5	close		+
Samy Speaker CX-12AW200G	55 =	0.438 +0.01	95.6 +14.3	2.5 +0.1	98.9 +0.6	close	100 W vs 400 W: lower power handling	+
Celestion TF 1220	55 =	0.416 -0.01	84.7 +3.4	2 -0.4	98.4 +0.1	close	150 W vs 400 W: lower power handling · Xmax 2 mm < 2.4 mm: lower excursion-limited SPL	+
SICA 12 N 2.5 PL	55.3 +0.3	0.395 -0.03	79.7 -1.6	3.5 +1.1	98.8 +0.5	close	250 W vs 400 W: lower power handling	+
Audax PR330T0	55 =	0.435 +0.01	73.7 -7.6	3.7 +1.3	97.3 -1	close	150 W vs 400 W: lower power handling	+
Philips AD12100 vp N°1	55.7 +0.7	0.475 +0.04	80.1 -1.2	3 +0.6	99.3 +1	close	4 Ω vs 8 Ω: amp load changes · 100 W vs 400 W: lower power handling	+
Eminence DELTA 12B	58 +3	0.48 +0.05	87 +5.7	2.7 +0.3	98.3 =	close	16 Ω vs 8 Ω: amp load changes	+
Faital PRO 12PR310	50 -5	0.42 -0.01	77.3 -4	4.92 +2.52	98 -0.3	close	4 Ω vs 8 Ω: amp load changes · 300 W vs 400 W: lower power handling	+
Philips AD12100 vp N°2	54.2 -0.8	0.505 +0.08	84.4 +3.1	3 +0.6	98.8 +0.5	close	4 Ω vs 8 Ω: amp load changes · 100 W vs 400 W: lower power handling	+

Compare the closest 3 against the DELTA-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.