RCF MB 15H401

15" · 8 Ω · 700 W · 98.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	44 Hz
Qts	0.3
Qes	0.32
Qms	4.8
Vas	121 L
Sd	910 cm²
Xmax	5.7 mm
Re	5.4 Ω
Bl	24.2 T·m
Mms	125.5 g
Pe	700 W
Sensitivity	98.8 dB

Alignment hint

EBP	138 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 26.6 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
B&C 14 NDL 76	41 -3	0.299 =	123 +2	6.5 +0.8	98.4 -0.4	close	500 W vs 700 W: lower power handling	+
Oberton 15NXL701	43.4 -0.6	0.3 =	127.09 +6.09	9.25 +3.55	99 +0.2	close		+
Sica 15 PF 3	45 +1	0.31 +0.01	117.6 -3.4	8 +2.3	99.1 +0.3	close		+
PD 1550/2	46.2 +2.2	0.294 -0.01	126 +5	5.3 -0.4	99 +0.2	close	Xmax 5.3 mm < 5.7 mm: lower excursion-limited SPL	+
Precision Devices 1550/2	46.2 +2.2	0.294 -0.01	126 +5	5.3 -0.4	99 +0.2	close	Xmax 5.3 mm < 5.7 mm: lower excursion-limited SPL	+
RCF MB 15N351 v2012	46 +2	0.315 +0.02	114 -7	5.7 =	99 +0.2	close		+
PD PD 1550 v2015	46.2 +2.2	0.294 -0.01	126.4 +5.4	5.3 -0.4	99 +0.2	close	Xmax 5.3 mm < 5.7 mm: lower excursion-limited SPL	+
Precision Devices PD 1550 v2015	46.2 +2.2	0.294 -0.01	126.4 +5.4	5.3 -0.4	99 +0.2	close	Xmax 5.3 mm < 5.7 mm: lower excursion-limited SPL	+
PD PD 155N01	45 +1	0.313 +0.01	113.4 -7.6	5.7 =	98 -0.8	close		+
Precision Devices PD 155N01	45 +1	0.313 +0.01	113.4 -7.6	5.7 =	98 -0.8	close		+

Compare the closest 3 against the MB 15H401 →

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.