Audax VE6X9FO

15" · 4 Ω · 250 W · 93.8 dB

Thiele-Small parameters

Nominal size	15"
Impedance	4 Ω
Fs	45 Hz
Qts	0.427
Qes	0.51
Qms	2.61
Vas	33 L
Sd	753 cm²
Xmax	2.4 mm
Re	3.1 Ω
Bl	22.8 T·m
Mms	301.3 g
Pe	250 W
Sensitivity	93.8 dB

Alignment hint

EBP	88 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 18.9 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
MTX Audio RFL15	35 -10	0.414 -0.01	44 +11	11.1 +8.7	94.3 +0.5	usable		+
Massive Audio HIPPO XL 152	43.1 -1.9	0.363 -0.06	26 -7	5.7 +3.3	98.8 +5	usable	1 Ω vs 4 Ω: amp load changes	+
Focal 15W 9753	42.5 -2.5	0.354 -0.07	58.5 +25.5	2.6 +0.2	95 +1.2	usable	8 Ω vs 4 Ω: amp load changes	+
PD PC.15DS	48 +3	0.401 -0.03	61.8 +28.8	6.9 +4.5	94.5 +0.7	usable	8 Ω vs 4 Ω: amp load changes	+
Precision Devices PC.15DS	48 +3	0.401 -0.03	61.8 +28.8	6.9 +4.5	94.5 +0.7	usable	8 Ω vs 4 Ω: amp load changes	+
Soundstream SPLX-152	38 -7	0.422 -0.01	65.4 +32.4	6.8 +4.4	94.1 +0.3	usable		+
JBL 15SWV3.8	53.4 +8.4	0.52 +0.09	43.9 +10.9	11 +8.6	92.8 -1	usable		+
MTX Audio TX815	35 -10	0.508 +0.08	44.7 +11.7	9.6 +7.2	93.3 -0.5	usable		+
hertz Hertz Audio SX380D	43 -2	0.651 +0.22	45 +12	6.1 +3.7	92.1 -1.7	usable	8 Ω vs 4 Ω: amp load changes	+
JBL 15WT3000	41 -4	0.44 +0.01	76.3 +43.3	10.6 +8.2	92.5 -1.3	usable		+

Compare the closest 3 against the VE6X9FO →

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.