ATC SB75-234 LC

10" · 8 Ω · 75 W · 91.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	8 Ω
Fs	26 Hz
Qts	0.224
Qes	0.27
Qms	1.3
Vas	120 L
Sd	340 cm²
Xmax	5 mm
Re	6.5 Ω
Bl	14.1 T·m
Mms	50.6 g
Pe	75 W
Sensitivity	91.8 dB

Alignment hint

EBP	96 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 13.4 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
Audiotechnology 10C772510KAP	25 -1	0.24 +0.02	110 -10	8.6 +3.6	92.1 +0.3	close		+
Audiotechnology FLEXUNITS 10 C 77 25 10 KAP	25 -1	0.24 +0.02	110 -10	8.6 +3.6	90.2 -1.6	close		+
Fostex FW 250	23 -3	0.225 =	150 +30	4.5 -0.5	91.8 =	close	50 W vs 75 W: lower power handling · Xmax 4.5 mm < 5 mm: lower excursion-limited SPL	+
Audax PR240Z2	25 -1	0.261 +0.04	112 -8	5 =	94.1 +2.3	close	4 Ω vs 8 Ω: amp load changes	+
Audiotechnology FLEXUNIT 10A772510	25 -1	0.258 +0.03	140 +20	8.6 +3.6	92.5 +0.7	usable		+
Vifa M26WR09-04	27 +1	0.28 +0.06	113 -7	6.5 +1.5	93 +1.2	usable		+
SEAS 25F-EWX	26 =	0.23 +0.01	175 +55	8 +3	92.9 +1.1	usable		+
Audiotechnology FLEXUNITS 10 A 77 25 10	25 -1	0.26 +0.04	140 +20	4.3 -0.7	90.6 -1.2	usable	Xmax 4.3 mm < 5 mm: lower excursion-limited SPL	+
Dayton Audio RS270P-4A	22.9 -3.1	0.272 +0.05	110.5 -9.5	6 +1	91 -0.8	usable	4 Ω vs 8 Ω: amp load changes	+
Visaton GF 250 - série	24 -2	0.272 +0.05	134 +14	9.3 +4.3	91.1 -0.7	usable		+

Compare the closest 3 against the SB75-234 LC →

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.