SB Acoustics SW26SFC38-4

10" · 4 Ω · 80 W · 93 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	4 Ω
Fs	28 Hz
Qts	0.31
Qes	0.33
Qms	5.04
Vas	84 L
Sd	340 cm²
Xmax	5.5 mm
Re	3.5 Ω
Bl	10.8 T·m
Mms	62.3 g
Pe	80 W
Sensitivity	93 dB

Alignment hint

EBP	85 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 20 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

Driver	Fs (Hz)	Qts	Vas (L)	Xmax (mm)	Sens (dB)	Fit	Notes	Compare
HiVi F10 v2009	28 =	0.31 =	78.6 -5.4	5.5 =	90.1 -2.9	close	8 Ω vs 4 Ω: amp load changes	+
Volt B250.8 v2014	32 +4	0.302 -0.01	89 +5	5.5 =	92.4 -0.6	close	8 Ω vs 4 Ω: amp load changes	+
Audax HT240G4	28 =	0.302 -0.01	67 -17	8 +2.5	93 =	close		+
SICA 10 H 2 CS 4 Ohms	30.6 +2.6	0.303 -0.01	75.8 -8.2	5.3 -0.2	94.4 +1.4	close	Xmax 5.3 mm < 5.5 mm: lower excursion-limited SPL	+
HiVi S10IIP	27 -1	0.287 -0.02	98.1 +14.1	7 +1.5	92.9 -0.1	close	8 Ω vs 4 Ω: amp load changes	+
Triangle T28DE120C	30 +2	0.327 +0.02	73.1 -10.9	6.5 +1	92.2 -0.8	close	8 Ω vs 4 Ω: amp load changes	+
Visaton TIW250	31 +3	0.324 +0.01	80 -4	8.8 +3.3	91.7 -1.3	close	8 Ω vs 4 Ω: amp load changes	+
STX W.27.400.8.MC	31 +3	0.329 +0.02	79 -5	7.6 +2.1	91.6 -1.4	close	8 Ω vs 4 Ω: amp load changes	+
Peerless 830846	24.3 -3.7	0.328 +0.02	81.8 -2.2	8.7 +3.2	92.2 -0.8	close		+
Monacor SPH-275C	31 +3	0.287 -0.02	100 +16	6 +0.5	93.1 +0.1	close	8 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the SW26SFC38-4 →

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.