RCF L 15/544K

15" · 8 Ω · 400 W · 98.9 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	35 Hz
Qts	0.233
Qes	0.24
Qms	8.6
Vas	227 L
Sd	850 cm²
Xmax	4 mm
Re	6.6 Ω
Bl	23.6 T·m
Mms	92.3 g
Pe	400 W
Sensitivity	98.9 dB

Alignment hint

EBP	146 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 27.6 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
Peavey 15 PRO RIDER CU CP SUBWOOFER	34.8 -0.2	0.236 =	208 -19	4.6 +0.6	99 +0.1	close		+
Celestion NTR15-3018E v2015	34.6 -0.4	0.245 +0.01	225.7 -1.3	5 +1	99.1 +0.2	close		+
Audax PR38S100VST	33 -2	0.236 =	218.1 -8.9	4 =	97.8 -1.1	close	200 W vs 400 W: lower power handling	+
RCF L 15/554K	35 =	0.243 +0.01	227 =	8 +4	98.7 -0.2	close		+
Celestion NTR15-3018E	35 =	0.261 +0.03	223.5 -3.5	5 +1	99.2 +0.3	close		+
DAS Audio 15G	35 =	0.259 +0.03	225 -2	6 +2	98.8 -0.1	close		+
HH Electronics 1501E	36 +1	0.238 =	190.5 -36.5	4.5 +0.5	99 +0.1	close	200 W vs 400 W: lower power handling	+
LaVoce WAF153.02	35 =	0.261 +0.03	244 +17	4.6 +0.6	99.7 +0.8	close		+
Altec 3156	38 +3	0.24 +0.01	246.4 +19.4	3.8 -0.2	99.8 +0.9	close	250 W vs 400 W: lower power handling · Xmax 3.8 mm < 4 mm: lower excursion-limited SPL	+
Great Plains Audio 3156 GPA	38 +3	0.24 +0.01	246.4 +19.4	3.8 -0.2	99.8 +0.9	close	250 W vs 400 W: lower power handling · Xmax 3.8 mm < 4 mm: lower excursion-limited SPL	+

Compare the closest 3 against the L 15/544K →

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.