Oxygen AIR2 250

10" · 4 Ω · 250 W · 88.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	4 Ω
Fs	36.4 Hz
Qts	0.502
Qes	0.54
Qms	7.15
Vas	22.4 L
Sd	326 cm²
Xmax	5.8 mm
Re	3.7 Ω
Bl	14.1 T·m
Mms	127.2 g
Pe	250 W
Sensitivity	88.3 dB

Alignment hint

EBP	67 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 22.8 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 Hertz Audio ML2500	33 -3.4	0.497 -0.01	19 -3.4	8 +2.2	88 -0.3	close		+
Sony XS-L104P5B	37.7 +1.3	0.569 +0.07	19.3 -3.1	6 +0.2	87.8 -0.5	close		+
hertz Hertz Audio HX250	37 +0.6	0.444 -0.06	24 +1.6	5.3 -0.5	90.3 +2	close	Xmax 5.3 mm < 5.8 mm: lower excursion-limited SPL	+
Wavecor SW263TU01	29.5 -6.9	0.5 =	24.5 +2.1	6.4 +0.6	86.8 -1.5	close		+
Polk Audio MM100	35 -1.4	0.46 -0.04	22.1 -0.3	8.7 +2.9	84.7 -3.6	close		+
Focal SUB25KXE	38 +1.6	0.52 +0.02	20 -2.4	8.2 +2.4	91.7 +3.4	close	2 Ω vs 4 Ω: amp load changes	+
American Bass DX 10	36.1 -0.3	0.486 -0.02	20.7 -1.7	12 +6.2	84.4 -3.9	close		+
Focal ACCESS 27A	41.3 +4.9	0.48 -0.02	21.2 -1.2	5 -0.8	90.8 +2.5	usable	Xmax 5 mm < 5.8 mm: lower excursion-limited SPL	+
Focal 11V 5552	40.5 +4.1	0.497 -0.01	24.1 +1.7	4.6 -1.2	90.8 +2.5	usable	175 W vs 250 W: lower power handling · Xmax 4.6 mm < 5.8 mm: lower excursion-limited SPL	+
Kicker COMPVX 10	35.4 -1	0.403 -0.1	23 +0.6	5.2 -0.6	89.6 +1.3	usable	Xmax 5.2 mm < 5.8 mm: lower excursion-limited SPL	+

Compare the closest 3 against the AIR2 250 →

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.