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RCF LF15X401

15" · 8 Ω · 1500 W · 96.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size15"
Impedance8 Ω
Fs34 Hz
Qts0.29
Qes0.3
Qms7.6
Vas146 L
Sd900 cm²
Xmax12 mm
Re5.5 Ω
Bl26.5 T·m
Mms170 g
Pe1500 W
Sensitivity96.5 dB

Alignment hint

EBP113 · ported
Sealed Vb (Qtc ≈ 0.71)≈ 29.5 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
RCF LF 15X40134 =0.289 =146 =10.3 -1.796.4 -0.1closeXmax 10.3 mm < 12 mm: lower excursion-limited SPL+
18 Sound 15NLW950034 =0.29 =147.5 +1.59 -396 -0.5close4 Ω vs 8 Ω: amp load changes · 1000 W vs 1500 W: lower power handling · Xmax 9 mm < 12 mm: lower excursion-limited SPL+
BMS 15N84035.6 +1.60.3 +0.01145.7 -0.311 -195 -1.5closeXmax 11 mm < 12 mm: lower excursion-limited SPL+
BMS 15N840 v201535.6 +1.60.303 +0.01145.7 -0.39.9 -2.197.1 +0.6closeXmax 9.9 mm < 12 mm: lower excursion-limited SPL+
Beyma 15P100035 +10.293 =146 =8.7 -3.396.3 -0.2close1000 W vs 1500 W: lower power handling · Xmax 8.7 mm < 12 mm: lower excursion-limited SPL+
Beyma 15LEX1200Nd36 +20.3 +0.01127 -1911 -197 +0.5closeXmax 11 mm < 12 mm: lower excursion-limited SPL+
B&C 15NBX10036 +20.29 =125 -2110 -297 +0.5close1000 W vs 1500 W: lower power handling · Xmax 10 mm < 12 mm: lower excursion-limited SPL+
Fane COLOSSUS 15XS36.3 +2.30.307 +0.02149.7 +3.79.1 -2.997.3 +0.8close1000 W vs 1500 W: lower power handling · Xmax 9.1 mm < 12 mm: lower excursion-limited SPL+
Fane COLOSSUS PRIME 15XS36.3 +2.30.307 +0.02149.7 +3.79.1 -2.997.3 +0.8close1000 W vs 1500 W: lower power handling · Xmax 9.1 mm < 12 mm: lower excursion-limited SPL+
RCF LF15G40136 +20.26 -0.03150 +49 -397 +0.5close800 W vs 1500 W: lower power handling · Xmax 9 mm < 12 mm: lower excursion-limited SPL+

Compare the closest 3 against the LF15X401 →

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.