Dayton Audio DCS450-4

18" · 4 Ω · 300 W · 95.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	4 Ω
Fs	24.9 Hz
Qts	0.468
Qes	0.51
Qms	5.64
Vas	280.3 L
Sd	1134.1 cm²
Xmax	7.5 mm
Re	3.2 Ω
Bl	16.1 T·m
Mms	262.8 g
Pe	300 W
Sensitivity	95.2 dB

Alignment hint

EBP	49 · sealed
Sealed Vb (Qtc ≈ 0.71)	≈ 218.5 L

EBP < 50: favours a sealed (closed) 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
Magnat AGRESSOR 5000	24 -0.9	0.431 -0.04	324 +43.7	10.6 +3.1	95.3 +0.1	close		+
BMS 18S430V1	25.5 +0.6	0.383 -0.09	288 +7.7	7.5 =	94.3 -0.9	close	8 Ω vs 4 Ω: amp load changes	+
B&C 18 PS 100 (prodance)	31.5 +6.6	0.458 -0.01	268 -12.3	8 +0.5	96.2 +1	close	8 Ω vs 4 Ω: amp load changes	+
AER SB 18	26 +1.1	0.383 -0.09	288 +7.7	8.3 +0.8	94.5 -0.7	close	8 Ω vs 4 Ω: amp load changes	+
JBL 2268H vp	26.9 +2	0.462 -0.01	202.2 -78.1	8 +0.5	95.4 +0.2	close		+
Peavey LOW RIDER 18	28.9 +4	0.429 -0.04	288 +7.7	9.6 +2.1	93.7 -1.5	close	8 Ω vs 4 Ω: amp load changes	+
P.Audio E-18ELF	30 +5.1	0.44 -0.03	263.57 -16.73	7.5 =	93.6 -1.6	close	8 Ω vs 4 Ω: amp load changes	+
Eminence KILOMAX PRO-18A	32 +7.1	0.47 =	331.5 +51.2	10 +2.5	95.8 +0.6	usable	8 Ω vs 4 Ω: amp load changes	+
Radian 2218-8	33.8 +8.9	0.518 +0.05	282.9 +2.6	9 +1.5	95.5 +0.3	usable	8 Ω vs 4 Ω: amp load changes	+
Beyma 18WRS600	30 +5.1	0.47 =	354 +73.7	8.5 +1	97 +1.8	usable	8 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the DCS450-4 →

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.