Electro-Voice DL18X

18" · 8 Ω · 400 W · 99.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	30 Hz
Qts	0.339
Qes	0.37
Qms	4
Vas	566.3 L
Sd	1142 cm²
Xmax	4.1 mm
Re	6 Ω
Bl	16.7 T·m
Mms	90.9 g
Pe	400 W
Sensitivity	99.4 dB

Alignment hint

EBP	81 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 169 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
Fostex L 569	30 =	0.28 -0.06	560 -6.3	4 -0.1	99.7 +0.3	close	150 W vs 400 W: lower power handling · Xmax 4 mm < 4.1 mm: lower excursion-limited SPL	+
Celestion G18-200	29.6 -0.4	0.364 +0.02	518.5 -47.8	5 +0.9	97.9 -1.5	close	200 W vs 400 W: lower power handling	+
Eminence KAPPA 18	28 -2	0.32 -0.02	493.2 -73.1	4.8 +0.7	98.9 -0.5	close		+
Eminence JAY7010	28.1 -1.9	0.314 -0.03	546.6 -19.7	9.1 +5	99.2 -0.2	close		+
MCM Electronics 55-2964	27 -3	0.313 -0.03	630.6 +64.3	6 +1.9	98.1 -1.3	close	300 W vs 400 W: lower power handling	+
Eminence OMEGA PRO 18 A	25 -5	0.308 -0.03	548.7 -17.6	4.8 +0.7	98.1 -1.3	close		+
Eminence DELTA PRO 18 (Prodance)	26.6 -3.4	0.301 -0.04	533.6 -32.7	6.7 +2.6	98.8 -0.6	close		+
Eminence OMEGA PRO 18 (Prodance)	24.2 -5.8	0.316 -0.02	581.5 +15.2	4.8 +0.7	97.8 -1.6	usable		+
Faital PRO 18FH500	30 =	0.35 +0.01	417.9 -148.4	9.25 +5.15	99 -0.4	usable		+
Fane 18-500 TLHP	29 -1	0.403 +0.06	521 -45.3	6.3 +2.2	98.2 -1.2	usable		+

Compare the closest 3 against the DL18X →

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.