RCF MB 10N251

10" · 8 Ω · 300 W · 97.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	8 Ω
Fs	55 Hz
Qts	0.271
Qes	0.29
Qms	4.2
Vas	38.8 L
Sd	350 cm²
Xmax	4.6 mm
Re	5.1 Ω
Bl	15 T·m
Mms	37.1 g
Pe	300 W
Sensitivity	97.4 dB

Alignment hint

EBP	190 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 6.7 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
B&C 10 PS 26 (prodance)	53.4 -1.6	0.267 =	39.5 +0.7	5.4 +0.8	96.8 -0.6	close		+
PHL Audio 3430	57 +2	0.271 =	41 +2.2	4.2 -0.4	97.7 +0.3	close	Xmax 4.2 mm < 4.6 mm: lower excursion-limited SPL	+
B&C 10PS26	54 -1	0.29 +0.02	38 -0.8	5.5 +0.9	96 -1.4	close		+
Faital PRO 10PR310	55 =	0.31 +0.04	40.3 +1.5	4.92 +0.32	97 -0.4	close	4 Ω vs 8 Ω: amp load changes	+
P.Audio E10-200S v2011	55.4 +0.4	0.272 =	44.6 +5.8	4 -0.6	96.9 -0.5	close	200 W vs 300 W: lower power handling · Xmax 4 mm < 4.6 mm: lower excursion-limited SPL	+
Faital PRO 10PR300	60 +5	0.28 +0.01	42.2 +3.4	4.92 +0.32	98 +0.6	close		+
B&C 10 PS 26	54 -1	0.296 +0.02	38 -0.8	5.5 +0.9	96 -1.4	close		+
PHL Audio 3420	53 -2	0.256 -0.02	35 -3.8	4.3 -0.3	97.6 +0.2	close	Xmax 4.3 mm < 4.6 mm: lower excursion-limited SPL	+
Sica 10 K 3 PL	50.6 -4.4	0.26 -0.01	40 +1.2	6.5 +1.9	96.7 -0.7	close		+
18 Sound 10NTLS2000	50 -5	0.26 -0.01	38 -0.8	7.4 +2.8	97 -0.4	close		+

Compare the closest 3 against the MB 10N251 →

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.