Celestion T5667A 18-190X

18" · 4 Ω · 600 W · 95.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	4 Ω
Fs	47.7 Hz
Qts	0.37
Qes	0.39
Qms	9.6
Vas	84.95 L
Sd	1034 cm²
Xmax	6.1 mm
Re	3.2 Ω
Bl	22.2 T·m
Mms	198.3 g
Pe	600 W
Sensitivity	95.6 dB

Alignment hint

EBP	122 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 32 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
Beyma 18P1200Nd vp1	43.8 -3.9	0.376 +0.01	116.9 +31.95	6.1 =	98 +2.4	usable	8 Ω vs 4 Ω: amp load changes	+
PRV Audio 18SW3000	43.7 -4	0.342 -0.03	111.3 +26.35	6.7 +0.6	98.1 +2.5	usable	8 Ω vs 4 Ω: amp load changes	+
Beyma 18P1200Nd vp459	43.8 -3.9	0.376 +0.01	124.9 +39.95	6.3 +0.2	98.3 +2.7	usable	8 Ω vs 4 Ω: amp load changes	+
18 Sound 18NLW9601C	38 -9.7	0.34 -0.03	99 +14.05	14 +7.9	95 -0.6	usable	8 Ω vs 4 Ω: amp load changes	+
Selenium VULCANO 3.8 18SWV3.8	47.4 -0.3	0.5 +0.13	100.1 +15.15	11 +4.9	94.8 -0.8	usable		+
Celestion CF1840JD	44.2 -3.5	0.444 +0.07	113.9 +28.95	8.5 +2.4	96.8 +1.2	usable	8 Ω vs 4 Ω: amp load changes	+
PD PD 1852	40 -7.7	0.33 -0.04	129.1 +44.15	6.2 +0.1	97.2 +1.6	usable	8 Ω vs 4 Ω: amp load changes	+
Precision Devices PD 1852	40 -7.7	0.33 -0.04	129.1 +44.15	6.2 +0.1	97.2 +1.6	usable	8 Ω vs 4 Ω: amp load changes	+
Ciare 18.00SW	36.4 -11.3	0.452 +0.08	92 +7.05	6.8 +0.7	92.4 -3.2	usable	8 Ω vs 4 Ω: amp load changes	+
MAG Audio M 1805	37.5 -10.2	0.357 -0.01	138.5 +53.55	7.1 +1	96.7 +1.1	usable	8 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the T5667A 18-190X →

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.