RCF MB 15N351 (prodance)

15" · 8 Ω · 650 W · 103.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	65.5 Hz
Qts	0.307
Qes	0.32
Qms	7.48
Vas	107 L
Sd	855 cm²
Xmax	4.6 mm
Re	5.73 Ω
Bl	20.4 T·m
Mms	56.5 g
Pe	650 W
Sensitivity	103.2 dB

Alignment hint

EBP	205 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 24.9 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
Beyma 15MC700Nd	49 -16.5	0.31 =	105 -2	7 +2.4	100 -3.2	usable		+
Ciare NDH 15-3	49.8 -15.7	0.296 -0.01	110.9 +3.9	4.3 -0.3	99.7 -3.5	usable	400 W vs 650 W: lower power handling · Xmax 4.3 mm < 4.6 mm: lower excursion-limited SPL	+
RCF CX15N351	55 -10.5	0.258 -0.05	110 +3	3.8 -0.8	101.8 -1.4	usable	450 W vs 650 W: lower power handling · Xmax 3.8 mm < 4.6 mm: lower excursion-limited SPL	+
JB Systems 153431 SW 15 250	49 -16.5	0.309 =	115.3 +8.3	4.1 -0.5	99 -4.2	usable	250 W vs 650 W: lower power handling · Xmax 4.1 mm < 4.6 mm: lower excursion-limited SPL	+
RCF L 15S800	48 -17.5	0.32 +0.01	113 +6	5.5 +0.9	98.9 -4.3	usable		+
Audax PR380T10	49 -16.5	0.314 +0.01	107 =	3.7 -0.9	99.2 -4	usable	350 W vs 650 W: lower power handling · Xmax 3.7 mm < 4.6 mm: lower excursion-limited SPL	+
RCF L 15S801	48 -17.5	0.32 +0.01	113 +6	6 +1.4	98.9 -4.3	usable		+
RCF L 15S801-8	48 -17.5	0.32 +0.01	113 +6	6 +1.4	98.9 -4.3	usable		+
Ciare NDH 15-4	48.6 -16.9	0.312 +0.01	96.9 -10.1	5.9 +1.3	98.6 -4.6	usable		+
Audax PR380T4	49 -16.5	0.322 +0.02	107 =	3.8 -0.8	99.1 -4.1	usable	350 W vs 650 W: lower power handling · Xmax 3.8 mm < 4.6 mm: lower excursion-limited SPL	+

Compare the closest 3 against the MB 15N351 (prodance) →

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.