RCF MB 15X301

15" · 8 Ω · 500 W · 98.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	38 Hz
Qts	0.345
Qes	0.37
Qms	5
Vas	195 L
Sd	860 cm²
Xmax	6 mm
Re	5.4 Ω
Bl	18 T·m
Mms	93.3 g
Pe	500 W
Sensitivity	98.3 dB

Alignment hint

EBP	103 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 60.9 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
Fane SOVEREIGN PRO 15-600	38 =	0.351 +0.01	201 +6	6.5 +0.5	98.2 -0.1	close		+
Beyma 15WRS400	38 =	0.337 -0.01	205.4 +10.4	6.3 +0.3	98.6 +0.3	close		+
Beyma 15CXA400Nd	40 +2	0.358 +0.01	196 +1	6 =	97.9 -0.4	close		+
RCF MB 15N301 (prodance)	40.1 +2.1	0.35 +0.01	203.2 +8.2	6 =	98.8 +0.5	close		+
Fane SOVEREIGN PRO 15-600 LF	40 +2	0.364 +0.02	188 -7	6.9 +0.9	97.9 -0.4	close		+
P.Audio S15-100LF	38 =	0.35 +0.01	169.1 -25.9	7.8 +1.8	98 -0.3	close		+
Oberton 15CX	38.2 +0.2	0.349 =	163.8 -31.2	6.8 +0.8	97.8 -0.5	close		+
Eminence OMEGA PRO 15	39 +1	0.345 =	196 +1	4.8 -1.2	99.1 +0.8	close	Xmax 4.8 mm < 6 mm: lower excursion-limited SPL	+
Radian 5215 B-8	38.7 +0.7	0.316 -0.03	189.7 -5.3	5.5 -0.5	98.2 -0.1	close	Xmax 5.5 mm < 6 mm: lower excursion-limited SPL	+
P.Audio E15-350N	40 +2	0.359 +0.01	201.4 +6.4	5.3 -0.7	98.2 -0.1	close	350 W vs 500 W: lower power handling · Xmax 5.3 mm < 6 mm: lower excursion-limited SPL	+

Compare the closest 3 against the MB 15X301 →

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.