Eminence DELTA PRO 18

18" · 8 Ω · 500 W · 98.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	26 Hz
Qts	0.301
Qes	0.31
Qms	10.1
Vas	523 L
Sd	1188 cm²
Xmax	6.7 mm
Re	5.37 Ω
Bl	20 T·m
Mms	141.7 g
Pe	500 W
Sensitivity	98.4 dB

Alignment hint

EBP	84 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 115.7 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 SIGMA PRO 18 (prodance)	26 =	0.301 =	523 =	6.1 -0.6	98.4 =	close	Xmax 6.1 mm < 6.7 mm: lower excursion-limited SPL	+
Eminence DELTA PRO 18 (Prodance)	26.6 +0.6	0.301 =	533.6 +10.6	6.7 =	98.8 +0.4	close		+
Eminence DELTA PRO 18 A	26 =	0.32 +0.02	493.2 -29.8	6.7 =	98 -0.4	close		+
Eminence SIGMA PRO 18 A2 (prodance)	26 =	0.299 =	613 +90	6.1 -0.6	98.3 -0.1	close	Xmax 6.1 mm < 6.7 mm: lower excursion-limited SPL	+
Eminence JAY7010	28.1 +2.1	0.314 +0.01	546.6 +23.6	9.1 +2.4	99.2 +0.8	close		+
Faital PRO 18FH500	28 +2	0.29 -0.01	456.7 -66.3	9.45 +2.75	98 -0.4	close	4 Ω vs 8 Ω: amp load changes	+
Dayton Audio PA460-8 18	26.2 +0.2	0.269 -0.03	473.5 -49.5	6 -0.7	98.6 +0.2	close	Xmax 6 mm < 6.7 mm: lower excursion-limited SPL	+
Dayton Audio PA460-8 18 PRO WOOFER	26.2 +0.2	0.269 -0.03	473.5 -49.5	6 -0.7	98.6 +0.2	close	Xmax 6 mm < 6.7 mm: lower excursion-limited SPL	+
MCM Electronics 55-2964	27 +1	0.313 +0.01	630.6 +107.6	6 -0.7	98.1 -0.3	close	300 W vs 500 W: lower power handling · Xmax 6 mm < 6.7 mm: lower excursion-limited SPL	+
Eminence OMEGA PRO 18 A	25 -1	0.308 +0.01	548.7 +25.7	4.8 -1.9	98.1 -0.3	close	Xmax 4.8 mm < 6.7 mm: lower excursion-limited SPL	+

Compare the closest 3 against the DELTA 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.