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Sica 12 PNS 4

12" · 8 Ω · 1000 W · 94.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance8 Ω
Fs41.7 Hz
Qts0.31
Qes0.32
Qms12.63
Vas50.2 L
Sd530.9 cm²
Xmax9.5 mm
Re5.2 Ω
Bl22.3 T·m
Mms115.9 g
Pe1000 W
Sensitivity94.5 dB

Alignment hint

EBP130 · ported
Sealed Vb (Qtc ≈ 0.71)≈ 11.9 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
B&C 12 FG 100 4 Ohms34 -7.70.32 +0.0153 +2.89.2 -0.394.3 -0.2close4 Ω vs 8 Ω: amp load changes · Xmax 9.2 mm < 9.5 mm: lower excursion-limited SPL+
Beyma 12LX6042 +0.30.3 -0.0166 +15.89 -0.593.8 -0.7close700 W vs 1000 W: lower power handling · Xmax 9 mm < 9.5 mm: lower excursion-limited SPL+
18 Sound 12NLW941042 +0.30.26 -0.0555 +4.811 +1.595 +0.5close+
18 Sound 12LW140045 +3.30.3 -0.0155 +4.88.25 -1.2596 +1.5closeXmax 8.25 mm < 9.5 mm: lower excursion-limited SPL+
Faital PRO 12HP101045 +3.30.34 +0.0356.5 +6.39.25 -0.2596 +1.5close700 W vs 1000 W: lower power handling · Xmax 9.25 mm < 9.5 mm: lower excursion-limited SPL+
RCF LF12X40145 +3.30.27 -0.0450 -0.29 -0.596.5 +2closeXmax 9 mm < 9.5 mm: lower excursion-limited SPL+
Faital PRO 12RS55042 +0.30.37 +0.0645.4 -4.89.25 -0.2593 -1.5close500 W vs 1000 W: lower power handling · Xmax 9.25 mm < 9.5 mm: lower excursion-limited SPL+
B&C 12BG10039 -2.70.33 +0.0241 -9.210.5 +193 -1.5close+
Sica 12 SR 4 CP38 -3.70.3 -0.0141.7 -8.59 -0.592.6 -1.9closeXmax 9 mm < 9.5 mm: lower excursion-limited SPL+
Sica 12 PFS 439 -2.70.26 -0.0555.6 +5.49 -0.594.8 +0.3closeXmax 9 mm < 9.5 mm: lower excursion-limited SPL+

Compare the closest 3 against the 12 PNS 4 →

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.