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18 Sound 15NLW9401

15" · 8 Ω · 1200 W · 97.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size15"
Impedance8 Ω
Fs39 Hz
Qts0.26
Qes0.28
Qms4.13
Vas134 L
Sd850 cm²
Xmax10 mm
Re5.2 Ω
Bl25.4 T·m
Mms140 g
Pe1200 W
Sensitivity97.5 dB

Alignment hint

EBP139 · ported
Sealed Vb (Qtc ≈ 0.71)≈ 20.9 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
18 Sound 15LW140139 =0.26 =127 -79 -198 +0.5close4 Ω vs 8 Ω: amp load changes · Xmax 9 mm < 10 mm: lower excursion-limited SPL+
Faital PRO 15FX60038 -10.27 +0.01128.3 -5.711.25 +1.2598 +0.5close700 W vs 1200 W: lower power handling+
18 Sound 15NLW940140 +10.25 -0.01114 -2010 =97.5 =close4 Ω vs 8 Ω: amp load changes+
Faital PRO 15HP102040 +10.27 +0.01126.6 -7.49 -198 +0.5close700 W vs 1200 W: lower power handling · Xmax 9 mm < 10 mm: lower excursion-limited SPL+
18 Sound 15LW140142 +30.27 +0.01131 -39 -198 +0.5closeXmax 9 mm < 10 mm: lower excursion-limited SPL+
BMS 15S430V239.8 +0.80.26 =135 +17.5 -2.596.8 -0.7close600 W vs 1200 W: lower power handling · Xmax 7.5 mm < 10 mm: lower excursion-limited SPL+
18 Sound 15LW240040 +10.3 +0.04131 -310 =97 -0.5close+
BMS 15N840V2-835.6 -3.40.268 +0.01130 -48.7 -1.397.2 -0.3closeXmax 8.7 mm < 10 mm: lower excursion-limited SPL+
RCF LF15G40136 -30.26 =150 +169 -197 -0.5close800 W vs 1200 W: lower power handling · Xmax 9 mm < 10 mm: lower excursion-limited SPL+
RCF LF15Y40836 -30.26 =150 +169 -197 -0.5close800 W vs 1200 W: lower power handling · Xmax 9 mm < 10 mm: lower excursion-limited SPL+

Compare the closest 3 against the 15NLW9401 →

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.