RCF L 15P540

15" · 8 Ω · 500 W · 98.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	50 Hz
Qts	0.393
Qes	0.41
Qms	9.7
Vas	100 L
Sd	850 cm²
Xmax	5.2 mm
Re	5.6 Ω
Bl	21 T·m
Mms	102.6 g
Pe	500 W
Sensitivity	98.4 dB

Alignment hint

EBP	122 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 44.7 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
LaVoce SSF153.00-8	47 -3	0.406 +0.01	117 +17	5.1 -0.1	98.4 =	close	Xmax 5.1 mm < 5.2 mm: lower excursion-limited SPL	+
B&C 15FW88	49 -1	0.43 +0.04	103.7 +3.7	8 +2.8	98 -0.4	close		+
PRV Audio 15W1600	50.5 +0.5	0.358 -0.04	87.9 -12.1	5.6 +0.4	98.5 +0.1	close		+
LaVoce WXF15.400	50 =	0.38 -0.01	118 +18	4.9 -0.3	99.3 +0.9	close	Xmax 4.9 mm < 5.2 mm: lower excursion-limited SPL	+
PD PD 156	50.2 +0.2	0.378 -0.02	120.2 +20.2	6.6 +1.4	99.2 +0.8	close		+
Precision Devices PD 156	50.2 +0.2	0.378 -0.02	120.2 +20.2	6.6 +1.4	99.2 +0.8	close		+
P.Audio E15-LF	50 =	0.42 +0.03	92.17 -7.83	6 +0.8	95.9 -2.5	close		+
LaVoce WXF15.350-8	50 =	0.38 -0.01	118 +18	4.6 -0.6	99.3 +0.9	close	350 W vs 500 W: lower power handling · Xmax 4.6 mm < 5.2 mm: lower excursion-limited SPL	+
Eminence 15-3008PS LF	46.6 -3.4	0.396 =	130 +30	5.5 +0.3	98.4 =	close		+
P.Audio SD-15	44.9 -5.1	0.393 =	89.4 -10.6	5 -0.2	96.6 -1.8	close	Xmax 5 mm < 5.2 mm: lower excursion-limited SPL	+

Compare the closest 3 against the L 15P540 →

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.