Beyma 15LEX1200Nd

15" · 8 Ω · 1200 W · 97 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	36 Hz
Qts	0.3
Qes	0.32
Qms	6.2
Vas	127 L
Sd	880 cm²
Xmax	11 mm
Re	5.1 Ω
Bl	26.4 T·m
Mms	164 g
Pe	1200 W
Sensitivity	97 dB

Alignment hint

EBP	113 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 27.9 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
B&C 15NBX100	36 =	0.29 -0.01	125 -2	10 -1	97 =	close	Xmax 10 mm < 11 mm: lower excursion-limited SPL	+
18 Sound 15LW2400	40 +4	0.3 =	131 +4	10 -1	97 =	close	Xmax 10 mm < 11 mm: lower excursion-limited SPL	+
BMS 15N840 v2015	35.6 -0.4	0.303 =	145.7 +18.7	9.9 -1.1	97.1 +0.1	close	Xmax 9.9 mm < 11 mm: lower excursion-limited SPL	+
BMS 15N840	35.6 -0.4	0.3 =	145.7 +18.7	11 =	95 -2	close		+
Faital PRO 15FX600	38 +2	0.27 -0.03	128.3 +1.3	11.25 +0.25	98 +1	close	700 W vs 1200 W: lower power handling	+
RCF LF15X401	34 -2	0.29 -0.01	146 +19	12 +1	96.5 -0.5	close		+
Sica 15 S 4 PL	39.5 +3.5	0.32 +0.02	127.6 +0.6	10 -1	97.8 +0.8	close	Xmax 10 mm < 11 mm: lower excursion-limited SPL	+
B&C 15 NBX 100	36 =	0.289 -0.01	125 -2	7.9 -3.1	96.7 -0.3	close	Xmax 7.9 mm < 11 mm: lower excursion-limited SPL	+
Oberton 15NXB1201	38.49 +2.49	0.324 +0.02	111.94 -15.06	12 +1	97 =	close		+
RCF LF 15X401	34 -2	0.289 -0.01	146 +19	10.3 -0.7	96.4 -0.6	close	Xmax 10.3 mm < 11 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 15LEX1200Nd →

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.