HSU Research VTF-2 10

10" · 4 Ω · 200 W · 88.4 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	4 Ω
Fs	38.4 Hz
Qts	0.45
Qes	0.48
Qms	7.2
Vas	38.51 L
Sd	394 cm²
Xmax	8 mm
Re	3.2 Ω
Bl	11.5 T·m
Mms	82.8 g
Pe	200 W
Sensitivity	88.4 dB

Alignment hint

EBP	80 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 26.2 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
Hertz Audio ES F25.5	39 +0.6	0.44 -0.01	40.2 +1.69	6 -2	88.7 +0.3	close	Xmax 6 mm < 8 mm: lower excursion-limited SPL	+
Brax BRAX MATRIX ML10	35 -3.4	0.46 +0.01	40 +1.49	12.5 +4.5	87.3 -1.1	close		+
Kenwood KFC-W2509	35 -3.4	0.42 -0.03	44 +5.49	8 =	88.2 -0.2	close		+
Morel UW 1058	33 -5.4	0.434 -0.02	40.6 +2.09	8.9 +0.9	86.7 -1.7	close	8 Ω vs 4 Ω: amp load changes	+
Kenwood KFC-W2502	39.8 +1.4	0.514 +0.06	44.9 +6.39	8.4 +0.4	89 +0.6	close	150 W vs 200 W: lower power handling	+
LaVoce SSF102.40 8 Ohm	38 -0.4	0.571 +0.12	42 +3.49	7.7 -0.3	88.5 +0.1	close	8 Ω vs 4 Ω: amp load changes · Xmax 7.7 mm < 8 mm: lower excursion-limited SPL	+
LaVoce SSF102.40	41 +2.6	0.51 +0.06	31.91 -6.6	8.3 +0.3	89 +0.6	close		+
Focal 27 WX	37.4 -1	0.555 +0.11	38.6 +0.09	7.3 -0.7	89.8 +1.4	close	8 Ω vs 4 Ω: amp load changes · Xmax 7.3 mm < 8 mm: lower excursion-limited SPL	+
Lavoce SSF102.40	38 -0.4	0.57 +0.12	42 +3.49	8.3 +0.3	87.6 -0.8	close	8 Ω vs 4 Ω: amp load changes	+
Alpine SWA-10S4	32 -6.4	0.42 -0.03	41 +2.49	10 +2	86.6 -1.8	usable		+

Compare the closest 3 against the VTF-2 10 →

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.