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B&C 12SW115

12" · 4 Ω · 1700 W · 92 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance4 Ω
Fs39 Hz
Qts0.25
Qes0.26
Qms9.8
Vas33 L
Sd522 cm²
Xmax13.8 mm
Re3.1 Ω
Bl23.8 T·m
Mms192 g
Pe1700 W
Sensitivity92 dB

Alignment hint

EBP150 · ported
Sealed Vb (Qtc ≈ 0.71)≈ 4.7 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 12SW11538 -10.25 =34 +113.5 -0.392.5 +0.5close8 Ω vs 4 Ω: amp load changes · Xmax 13.5 mm < 13.8 mm: lower excursion-limited SPL+
Faital PRO 12HP106045 +60.25 =33.8 +0.812.45 -1.3595 +3close1000 W vs 1700 W: lower power handling · Xmax 12.45 mm < 13.8 mm: lower excursion-limited SPL+
Faital PRO 12HP103045 +60.27 +0.0233.2 +0.212.45 -1.3594 +2close1000 W vs 1700 W: lower power handling · Xmax 12.45 mm < 13.8 mm: lower excursion-limited SPL+
Faital PRO 12RS106642 +30.33 +0.0831.5 -1.512.45 -1.3593 +1usable8 Ω vs 4 Ω: amp load changes · 1000 W vs 1700 W: lower power handling · Xmax 12.45 mm < 13.8 mm: lower excursion-limited SPL+
Faital PRO 12HP106045 +60.28 +0.0336.9 +3.912.45 -1.3595 +3usable8 Ω vs 4 Ω: amp load changes · 1000 W vs 1700 W: lower power handling · Xmax 12.45 mm < 13.8 mm: lower excursion-limited SPL+
B&C 12TBX10042 +30.26 +0.0137.5 +4.59 -4.895 +3usable8 Ω vs 4 Ω: amp load changes · 1000 W vs 1700 W: lower power handling · Xmax 9 mm < 13.8 mm: lower excursion-limited SPL+
Faital PRO 12HP103045 +60.3 +0.0535.9 +2.912.45 -1.3595 +3usable8 Ω vs 4 Ω: amp load changes · 1000 W vs 1700 W: lower power handling · Xmax 12.45 mm < 13.8 mm: lower excursion-limited SPL+
FI Audio BTLv3 1233.9 -5.10.249 =24.9 -8.19.5 -4.394.2 +2.2usable2 Ω vs 4 Ω: amp load changes · Xmax 9.5 mm < 13.8 mm: lower excursion-limited SPL+
B&C 12TBX10044 +50.23 -0.0241.1 +8.19 -4.893 +1usable1000 W vs 1700 W: lower power handling · Xmax 9 mm < 13.8 mm: lower excursion-limited SPL+
Sica 12 SR 4 CP38 -10.3 +0.0541.7 +8.79 -4.892.6 +0.6usable8 Ω vs 4 Ω: amp load changes · 1000 W vs 1700 W: lower power handling · Xmax 9 mm < 13.8 mm: lower excursion-limited SPL+

Compare the closest 3 against the 12SW115 →

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.