Eminence OMEGA PRO 18

18" · 8 Ω · 800 W · 98.9 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	28 Hz
Qts	0.239
Qes	0.25
Qms	5.53
Vas	354 L
Sd	1159 cm²
Xmax	4.8 mm
Re	5.1 Ω
Bl	24.8 T·m
Mms	171.9 g
Pe	800 W
Sensitivity	98.9 dB

Alignment hint

EBP	112 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 45.7 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 PS18-6008 vp	28.1 +0.1	0.239 =	354.1 +0.1	5.5 +0.7	98.9 =	close	300 W vs 800 W: lower power handling	+
Fane COLOSSUS 18B600	29 +1	0.236 =	345 -9	7.2 +2.4	98.7 -0.2	close	600 W vs 800 W: lower power handling	+
McCauley B1840	28 =	0.231 -0.01	405 +51	4.8 =	99.1 +0.2	close	400 W vs 800 W: lower power handling	+
PD PD 182	28 =	0.238 =	391 +37	8.2 +3.4	98.7 -0.2	close	600 W vs 800 W: lower power handling	+
Precision Devices PD 182	28 =	0.238 =	391 +37	8.2 +3.4	98.7 -0.2	close	600 W vs 800 W: lower power handling	+
B&C 18 PZB 46 vp	28.8 +0.8	0.227 -0.01	346.4 -7.6	8.1 +3.3	99 +0.1	close		+
RCF LF 18X400	28 =	0.255 +0.02	360 +6	9 +4.2	98.6 -0.3	close		+
Rockford Fosgate SPP-184	27 -1	0.266 +0.03	353 -1	6 +1.2	99.2 +0.3	close	4 Ω vs 8 Ω: amp load changes · 350 W vs 800 W: lower power handling	+
Radian 2218 NEO SUBWOOFER	28.9 +0.9	0.219 -0.02	333 -21	6.3 +1.5	98.9 =	close		+
Celestion FTR18-4080F	28 =	0.265 +0.03	383.3 +29.3	6 +1.2	98.6 -0.3	close		+

Compare the closest 3 against the OMEGA PRO 18 →

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.