← all drivers

Sica 4 L 1 SL

4" · 8 Ω · 60 W · 86.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size4"
Impedance8 Ω
Fs108.3 Hz
Qts0.63
Qes0.78
Qms3.15
Vas1.2 L
Sd44.2 cm²
Xmax2.4 mm
Re6 Ω
Bl5.1 T·m
Mms5 g
Pe60 W
Sensitivity86.2 dB

Alignment hint

EBP139 · ported
Sealed Vb (Qtc ≈ 0.71)≈ 4.6 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
Eminence ALPHA 4-4120 +11.70.63 =1.76 +0.562.6 +0.288 +1.8usable4 Ω vs 8 Ω: amp load changes+
Eminence ALPHA 4-8123 +14.70.75 +0.121.94 +0.742.6 +0.288 +1.8usable+
Faital PRO 4FE32100 -8.30.61 -0.022.3 +1.12.73 +0.3391 +4.8usable30 W vs 60 W: lower power handling+
Sica 4 E 1 CS118 +9.70.39 -0.241.3 +0.12.2 -0.290.2 +4usableXmax 2.2 mm < 2.4 mm: lower excursion-limited SPL+
Faital PRO 4FE42110 +1.70.47 -0.161.9 +0.72.83 +0.4394 +7.8risky40 W vs 60 W: lower power handling+
Sica 4 D 0.8 CS140 +31.70.92 +0.291.2 =1.3 -1.187.5 +1.3risky4 Ω vs 8 Ω: amp load changes · 35 W vs 60 W: lower power handling · Xmax 1.3 mm < 2.4 mm: lower excursion-limited SPL+
Faital PRO 4FE35100 -8.30.83 +0.22.4 +1.22.73 +0.3391 +4.8risky30 W vs 60 W: lower power handling+
Faital PRO 4FE35100 -8.30.73 +0.12.4 +1.21.73 -0.6791 +4.8risky4 Ω vs 8 Ω: amp load changes · 30 W vs 60 W: lower power handling · Xmax 1.73 mm < 2.4 mm: lower excursion-limited SPL+
Faital PRO 4FE42110 +1.70.38 -0.251.8 +0.62.83 +0.4393 +6.8risky4 Ω vs 8 Ω: amp load changes · 40 W vs 60 W: lower power handling+
Faital PRO 4FE32100 -8.30.53 -0.12.5 +1.31.73 -0.6791 +4.8risky4 Ω vs 8 Ω: amp load changes · 30 W vs 60 W: lower power handling · Xmax 1.73 mm < 2.4 mm: lower excursion-limited SPL+

Compare the closest 3 against the 4 L 1 SL →

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.