RCF LF 15N451

15" · 8 Ω · 1300 W · 98.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	35 Hz
Qts	0.182
Qes	0.19
Qms	4.2
Vas	125 L
Sd	910 cm²
Xmax	6.6 mm
Re	5.1 Ω
Bl	33.7 T·m
Mms	192 g
Pe	1300 W
Sensitivity	98.4 dB

Alignment hint

EBP	184 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 8.9 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
RCF LF15N451	35 =	0.18 =	125 =	9 +2.4	97 -1.4	close		+
18 Sound 15NLW4500	35 =	0.2 +0.02	126 +1	14.5 +7.9	96.6 -1.8	close	4 Ω vs 8 Ω: amp load changes	+
PHL Audio 6321MND	34 -1	0.207 +0.02	150 +25	7.2 +0.6	98.1 -0.3	close	1000 W vs 1300 W: lower power handling	+
Oberton 15MB601	40.57 +5.57	0.185 =	138.98 +13.98	5.5 -1.1	98 -0.4	close	600 W vs 1300 W: lower power handling · Xmax 5.5 mm < 6.6 mm: lower excursion-limited SPL	+
Radian 2216Neo	40 +5	0.19 +0.01	114 -11	9 +2.4	96.5 -1.9	close	800 W vs 1300 W: lower power handling	+
B&C 15 DS 115	33 -2	0.174 -0.01	94 -31	6.8 +0.2	96.8 -1.6	usable		+
B&C 15 NW 100	33 -2	0.218 +0.04	139 +14	7.4 +0.8	97.3 -1.1	usable	1000 W vs 1300 W: lower power handling	+
Precision Devices PD154	39 +4	0.205 +0.02	149 +24	6.5 -0.1	99 +0.6	usable	16 Ω vs 8 Ω: amp load changes · 500 W vs 1300 W: lower power handling · Xmax 6.5 mm < 6.6 mm: lower excursion-limited SPL	+
B&C 15 SW 115-4	34 -1	0.221 +0.04	105 -20	8.4 +1.8	98.5 +0.1	usable	4 Ω vs 8 Ω: amp load changes	+
B&C 15NW76	39 +4	0.21 +0.03	143 +18	8 +1.4	99 +0.6	usable	4 Ω vs 8 Ω: amp load changes · 600 W vs 1300 W: lower power handling	+

Compare the closest 3 against the LF 15N451 →

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.