RCF LF 15X401 v2013

15" · 8 Ω · 1500 W · 98.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	41.8 Hz
Qts	0.313
Qes	0.33
Qms	6.07
Vas	116.4 L
Sd	902 cm²
Xmax	8.7 mm
Re	4.99 Ω
Bl	23.8 T·m
Mms	142.1 g
Pe	1500 W
Sensitivity	98.1 dB

Alignment hint

EBP	127 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 28.4 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
Sica 15 PF 3	45 +3.2	0.31 =	117.6 +1.2	8 -0.7	99.1 +1	close	Xmax 8 mm < 8.7 mm: lower excursion-limited SPL	+
Sica 15 S 4 PL	39.5 -2.3	0.32 +0.01	127.6 +11.2	10 +1.3	97.8 -0.3	close		+
Beyma 15LEX1000Fe	41 -0.8	0.34 +0.03	116 -0.4	11 +2.3	97 -1.1	close	1000 W vs 1500 W: lower power handling	+
Oberton 15NXL701	43.4 +1.6	0.3 -0.01	127.09 +10.69	9.25 +0.55	99 +0.9	close	700 W vs 1500 W: lower power handling	+
Oberton 15XL701	45.25 +3.45	0.28 -0.03	116.99 +0.59	8.75 +0.05	98 -0.1	close	700 W vs 1500 W: lower power handling	+
Oberton 15NXB1201	38.49 -3.31	0.324 +0.01	111.94 -4.46	12 +3.3	97 -1.1	close		+
18 Sound 15LW2400	40 -1.8	0.3 -0.01	131 +14.6	10 +1.3	97 -1.1	close		+
Faital PRO 15HP1060	40 -1.8	0.31 =	100.3 -16.1	12.45 +3.75	97 -1.1	close	1000 W vs 1500 W: lower power handling	+
18 Sound 15LW1401	42 +0.2	0.27 -0.04	131 +14.6	9 +0.3	98 -0.1	close	1000 W vs 1500 W: lower power handling	+
Faital PRO 15HP1020	40 -1.8	0.27 -0.04	126.6 +10.2	9 +0.3	98 -0.1	close	700 W vs 1500 W: lower power handling	+

Compare the closest 3 against the LF 15X401 v2013 →

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.