Zeuz DC181125ip

18" · 4 Ω · 250 W · 95 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	4 Ω
Fs	22.2 Hz
Qts	0.458
Qes	0.49
Qms	6.99
Vas	429.3 L
Sd	1200 cm²
Xmax	8.5 mm
Re	3.8 Ω
Bl	16.2 T·m
Mms	242.1 g
Pe	250 W
Sensitivity	95 dB

Alignment hint

EBP	45 · sealed
Sealed Vb (Qtc ≈ 0.71)	≈ 310.3 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
Mach 5 Audio MAC MAH CWA46	27 +4.8	0.448 -0.01	470.3 +41	10 +1.5	96.2 +1.2	close	8 Ω vs 4 Ω: amp load changes	+
Magnat AGRESSOR 5000	24 +1.8	0.431 -0.03	324 -105.3	10.6 +2.1	95.3 +0.3	usable		+
SB Audience BIANCO-18SW450 v2024	28 +5.8	0.445 -0.01	370.4 -58.9	9.1 +0.6	96.4 +1.4	usable	8 Ω vs 4 Ω: amp load changes	+
GRS 18PT-8	23 +0.8	0.547 +0.09	467 +37.7	7.8 -0.7	92.5 -2.5	usable	8 Ω vs 4 Ω: amp load changes · Xmax 7.8 mm < 8.5 mm: lower excursion-limited SPL	+
Aura Sound NS18-992-4A	20 -2.2	0.47 +0.01	322 -107.3	14.5 +6	93.2 -1.8	usable		+
SB Audience BIANCO-18SW450 v2020	27 +4.8	0.375 -0.08	423 -6.3	9 +0.5	97.2 +2.2	usable	8 Ω vs 4 Ω: amp load changes	+
Beyma 18LX60 (prodance)	31.3 +9.1	0.472 +0.01	385.3 -44	9 +0.5	96.8 +1.8	usable	8 Ω vs 4 Ω: amp load changes	+
Beyma 18LX60 vp1	31.3 +9.1	0.472 +0.01	385 -44.3	9 +0.5	96.8 +1.8	usable	8 Ω vs 4 Ω: amp load changes	+
Dayton Audio DCS450-4	24.9 +2.7	0.468 +0.01	280.3 -149	7.5 -1	95.2 +0.2	usable	Xmax 7.5 mm < 8.5 mm: lower excursion-limited SPL	+
Beyma 18WRS600	30 +7.8	0.47 +0.01	354 -75.3	8.5 =	97 +2	usable	8 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the DC181125ip →

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.