Beyma 18LEX1200FE

18" · 8 Ω · 1200 W · 97.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	32 Hz
Qts	0.378
Qes	0.39
Qms	12.2
Vas	277 L
Sd	1255 cm²
Xmax	11 mm
Re	5.3 Ω
Bl	23.2 T·m
Mms	197.2 g
Pe	1200 W
Sensitivity	97.4 dB

Alignment hint

EBP	82 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 110.8 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
Dayton Audio APOLLO 18F	32 =	0.401 +0.02	287.7 +10.7	10.6 -0.4	96.4 -1	close	Xmax 10.6 mm < 11 mm: lower excursion-limited SPL	+
Beyma 18LEX1000Nd	34 +2	0.39 +0.01	260 -17	11 =	98 +0.6	close		+
Beyma 18LEX1000Fe	34 +2	0.38 =	250 -27	11 =	98 +0.6	close		+
Fane COLOSSUS PRIME 18XS	33 +1	0.385 +0.01	257 -20	12 +1	95.4 -2	close		+
Beyma 18G550/S-8	33 +1	0.396 +0.02	290 +13	9.3 -1.7	97.5 +0.1	close	900 W vs 1200 W: lower power handling · Xmax 9.3 mm < 11 mm: lower excursion-limited SPL	+
Beyma 18G550 v2018	33 +1	0.396 +0.02	290 +13	9 -2	97.5 +0.1	close	900 W vs 1200 W: lower power handling · Xmax 9 mm < 11 mm: lower excursion-limited SPL	+
Beyma 18LEX1000/Nd	34 +2	0.391 +0.01	260 -17	9.4 -1.6	97.8 +0.4	close	Xmax 9.4 mm < 11 mm: lower excursion-limited SPL	+
Beyma 18G550 (prodance)	29.5 -2.5	0.382 =	291 +14	9 -2	96.7 -0.7	close	900 W vs 1200 W: lower power handling · Xmax 9 mm < 11 mm: lower excursion-limited SPL	+
Sica 18 S 4 CP	33 +1	0.35 -0.03	225 -52	11 =	97.1 -0.3	close		+
Faital PRO 18FX800	34 +2	0.4 +0.02	247 -30	13.8 +2.8	96 -1.4	close		+

Compare the closest 3 against the 18LEX1200FE →

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.