RCF L 15/864K

15" · 8 Ω · 400 W · 101.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	50 Hz
Qts	0.329
Qes	0.34
Qms	10
Vas	170 L
Sd	789 cm²
Xmax	4 mm
Re	5.2 Ω
Bl	15.8 T·m
Mms	52 g
Pe	400 W
Sensitivity	101.8 dB

Alignment hint

EBP	147 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 47 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 1505 DT vp 1992 sans couleur	52 +2	0.318 -0.01	171.5 +1.5	4.7 +0.7	102.1 +0.3	close		+
P.Audio SN-15MB	47 -3	0.329 =	176.8 +6.8	3.3 -0.7	101.1 -0.7	close	200 W vs 400 W: lower power handling · Xmax 3.3 mm < 4 mm: lower excursion-limited SPL	+
Oberton 15XL400	48.78 -1.22	0.337 +0.01	140 -30	5.25 +1.25	102 +0.2	close		+
JBL 2035H	48 -2	0.336 +0.01	140.5 -29.5	4.9 +0.9	101.5 -0.3	close	4 Ω vs 8 Ω: amp load changes	+
Beyma 15MI100	48 -2	0.287 -0.04	166 -4	4.5 +0.5	100.9 -0.9	close		+
Beyma 15MI100 v2020	48 -2	0.287 -0.04	166 -4	4.5 +0.5	100.9 -0.9	close		+
Fane STUDIO 15L	45 -5	0.338 +0.01	190 +20	4.3 +0.3	100.6 -1.2	close	200 W vs 400 W: lower power handling	+
Peavey 1505 DT vp 1993 rouge	43.6 -6.4	0.318 -0.01	171.5 +1.5	5.1 +1.1	99.8 -2	close		+
Oberton 15LX400	48.8 -1.2	0.337 +0.01	140 -30	5.2 +1.2	100.2 -1.6	close		+
Eminence KappaLITE 3015 \|	45 -5	0.34 +0.01	153 -17	5.9 +1.9	100.8 -1	close		+

Compare the closest 3 against the L 15/864K →

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.