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18 Sound 15NTLS3500

15" · 8 Ω · 950 W · 89 dB · datasheet ↗

Thiele-Small parameters

Nominal size15"
Impedance8 Ω
Fs28 Hz
Qts0.42
Qes0.44
Qms8.2
Vas141 L
Sd881 cm²
Xmax15.3 mm
Re5.2 Ω
Bl21.6 T·m
Mms250 g
Pe950 W
Sensitivity89 dB

Alignment hint

EBP64 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 76.9 L

EBP 50-100: works in either a sealed or ported 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
Audiobahn AW1571T28.2 +0.20.49 +0.07133.088 -7.9111 -4.389.2 +0.2usable4 Ω vs 8 Ω: amp load changes · 500 W vs 950 W: lower power handling · Xmax 11 mm < 15.3 mm: lower excursion-limited SPL+
Ground Zero GZHW 38X22.6 -5.40.43 +0.01147 +612.5 -2.890.3 +1.3usableXmax 12.5 mm < 15.3 mm: lower excursion-limited SPL+
Dayton Audio MX15-2221.7 -6.30.415 -0.01146.1 +5.112.3 -390.1 +1.1usable4 Ω vs 8 Ω: amp load changes · Xmax 12.3 mm < 15.3 mm: lower excursion-limited SPL+
TC Sounds LMS R1523.6 -4.40.446 +0.03123 -1812.1 -3.290.2 +1.2usable4 Ω vs 8 Ω: amp load changes · Xmax 12.1 mm < 15.3 mm: lower excursion-limited SPL+
Hertz Audio HX 38030 +20.55 +0.13123.2 -17.814 -1.389.1 +0.1usable4 Ω vs 8 Ω: amp load changes · 700 W vs 950 W: lower power handling · Xmax 14 mm < 15.3 mm: lower excursion-limited SPL+
Stereo Integrity SQL-15 1523.8 -4.20.418 =115 -2612.1 -3.290.9 +1.9usable4 Ω vs 8 Ω: amp load changes · Xmax 12.1 mm < 15.3 mm: lower excursion-limited SPL+
Dayton Audio TIT400C24.2 -3.80.483 +0.06154.3 +13.313.3 -291.5 +2.5usable4 Ω vs 8 Ω: amp load changes · Xmax 13.3 mm < 15.3 mm: lower excursion-limited SPL+
Eminence LAB 15 |28 =0.35 -0.07103.61 -37.3911.8 -3.588.5 -0.5usable6 Ω vs 8 Ω: amp load changes · 600 W vs 950 W: lower power handling · Xmax 11.8 mm < 15.3 mm: lower excursion-limited SPL+
Ciare 15.00SW-429 +10.407 -0.01113 -2811.1 -4.293.4 +4.4usable4 Ω vs 8 Ω: amp load changes · Xmax 11.1 mm < 15.3 mm: lower excursion-limited SPL+
JBL W15GTI25.2 -2.80.476 +0.06132.2 -8.810.2 -5.192.5 +3.5usable4 Ω vs 8 Ω: amp load changes · Xmax 10.2 mm < 15.3 mm: lower excursion-limited SPL+

Compare the closest 3 against the 15NTLS3500 →

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.