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18 Sound 12NTLS3500

12" · 8 Ω · 750 W · 93.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance8 Ω
Fs41 Hz
Qts0.41
Qes0.43
Qms8.5
Vas65 L
Sd531 cm²
Xmax7.9 mm
Re5.8 Ω
Bl17.8 T·m
Mms92 g
Pe750 W
Sensitivity93.5 dB

Alignment hint

EBP95 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 32.9 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
Lavoce SSF122.50L41 =0.41 =59 -611.5 +3.691.3 -2.2close400 W vs 750 W: lower power handling+
Sica 12 SR 3 CP37 -40.4 -0.0160.9 -4.18 +0.192.2 -1.3close450 W vs 750 W: lower power handling+
18 Sound 12NTLS350041 =0.34 -0.0763 -27.9 =94.5 +1close4 Ω vs 8 Ω: amp load changes+
SICA 12 S 3 CP44 +30.405 =67.5 +2.56 -1.995 +1.5close350 W vs 750 W: lower power handling · Xmax 6 mm < 7.9 mm: lower excursion-limited SPL+
18 Sound 12NLW9300 v202247 +60.416 +0.0156 -98 +0.195.4 +1.9close+
SICA 12 SR 3 PL v201836 -50.418 +0.0160.4 -4.67 -0.991.7 -1.8close400 W vs 750 W: lower power handling · Xmax 7 mm < 7.9 mm: lower excursion-limited SPL+
Sica 12 SR 3 PL36 -50.42 +0.0160.4 -4.67 -0.991.8 -1.7close400 W vs 750 W: lower power handling · Xmax 7 mm < 7.9 mm: lower excursion-limited SPL+
Sica 12 PFS 343 +20.47 +0.0658.5 -6.57 -0.993.6 +0.1close500 W vs 750 W: lower power handling · Xmax 7 mm < 7.9 mm: lower excursion-limited SPL+
Faital PRO 12FH500 16 Ohms48 +70.367 -0.0466.6 +1.67.3 -0.692.8 -0.7close16 Ω vs 8 Ω: amp load changes · 500 W vs 750 W: lower power handling · Xmax 7.3 mm < 7.9 mm: lower excursion-limited SPL+
P.Audio SN-12LF48 +70.399 -0.0167.9 +2.97.2 -0.796 +2.5closeXmax 7.2 mm < 7.9 mm: lower excursion-limited SPL+

Compare the closest 3 against the 12NTLS3500 →

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.