Eminence OMEGA PRO 18 A

18" · 8 Ω · 800 W · 98.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	25 Hz
Qts	0.308
Qes	0.32
Qms	8.18
Vas	548.7 L
Sd	1159 cm²
Xmax	4.8 mm
Re	5.2 Ω
Bl	18.8 T·m
Mms	139.1 g
Pe	800 W
Sensitivity	98.1 dB

Alignment hint

EBP	78 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 128.5 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
Eminence OMEGA PRO-18A	25 =	0.31 =	548.7 =	4.8 =	97 -1.1	close		+
Eminence OMEGA PRO 18 (Prodance)	24.2 -0.8	0.316 +0.01	581.5 +32.8	4.8 =	97.8 -0.3	close		+
Eminence SIGMA PRO 18 (prodance)	26 +1	0.301 -0.01	523 -25.7	6.1 +1.3	98.4 +0.3	close		+
Eminence DELTA PRO 18	26 +1	0.301 -0.01	523 -25.7	6.7 +1.9	98.4 +0.3	close	500 W vs 800 W: lower power handling	+
Eminence DELTA PRO 18 (Prodance)	26.6 +1.6	0.301 -0.01	533.6 -15.1	6.7 +1.9	98.8 +0.7	close	500 W vs 800 W: lower power handling	+
Eminence SIGMA PRO 18 A2 (prodance)	26 +1	0.299 -0.01	613 +64.3	6.1 +1.3	98.3 +0.2	close		+
Eminence DELTA PRO 18 A	26 +1	0.32 +0.01	493.2 -55.5	6.7 +1.9	98 -0.1	close	500 W vs 800 W: lower power handling	+
MCM Electronics 55-2964	27 +2	0.313 +0.01	630.6 +81.9	6 +1.2	98.1 =	close	300 W vs 800 W: lower power handling	+
Eminence KAPPA 18	28 +3	0.32 +0.01	493.2 -55.5	4.8 =	98.9 +0.8	close	500 W vs 800 W: lower power handling	+
Eminence JAY7010	28.1 +3.1	0.314 +0.01	546.6 -2.1	9.1 +4.3	99.2 +1.1	close		+

Compare the closest 3 against the OMEGA PRO 18 A →

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.