Audax HT240G4

10" · 4 Ω · 200 W · 93 dB

Thiele-Small parameters

Nominal size	10"
Impedance	4 Ω
Fs	28 Hz
Qts	0.302
Qes	0.31
Qms	11.8
Vas	67 L
Sd	324 cm²
Xmax	8 mm
Re	3 Ω
Bl	11 T·m
Mms	71 g
Pe	200 W
Sensitivity	93 dB

Alignment hint

EBP	90 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 14.9 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
Visaton TIW250XS 8 Ohms	31 +3	0.298 =	73 +6	8.1 +0.1	91.8 -1.2	close	8 Ω vs 4 Ω: amp load changes	+
Faital PRO 10RS430 v2026	32 +4	0.301 =	61.5 -5.5	9.7 +1.7	90.8 -2.2	close	8 Ω vs 4 Ω: amp load changes	+
Visaton TIW250XS 8 Ohms v2	33 +5	0.328 +0.03	66 -1	7.9 -0.1	91.8 -1.2	close	8 Ω vs 4 Ω: amp load changes · Xmax 7.9 mm < 8 mm: lower excursion-limited SPL	+
Volt RV2550	28 =	0.331 +0.03	71.8 +4.8	9.1 +1.1	89.5 -3.5	close	8 Ω vs 4 Ω: amp load changes	+
Peerless NE265W-04	23.3 -4.7	0.294 -0.01	72.8 +5.8	8.8 +0.8	91.3 -1.7	close		+
Triangle T28DE120C	30 +2	0.327 +0.03	73.1 +6.1	6.5 -1.5	92.2 -0.8	close	8 Ω vs 4 Ω: amp load changes · 150 W vs 200 W: lower power handling · Xmax 6.5 mm < 8 mm: lower excursion-limited SPL	+
Vifa NE-265W-04	23 -5	0.294 -0.01	72.8 +5.8	8.9 +0.9	91.1 -1.9	close		+
Visaton TIW250	31 +3	0.324 +0.02	80 +13	8.8 +0.8	91.7 -1.3	close	8 Ω vs 4 Ω: amp load changes	+
Kartesian SUB250_VHE v2022	26 -2	0.314 +0.01	57.3 -9.7	9.3 +1.3	89.6 -3.4	usable	8 Ω vs 4 Ω: amp load changes	+
AE Speakers TD10S v2015	32.7 +4.7	0.346 +0.04	68 +1	7 -1	93.4 +0.4	usable	Xmax 7 mm < 8 mm: lower excursion-limited SPL	+

Compare the closest 3 against the HT240G4 →

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.