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Oxygen IN12 300

12" · 4 Ω · 300 W · 93.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance4 Ω
Fs27 Hz
Qts0.362
Qes0.38
Qms7.54
Vas114.8 L
Sd539 cm²
Xmax8.7 mm
Re3.6 Ω
Bl14.1 T·m
Mms123.2 g
Pe300 W
Sensitivity93.2 dB

Alignment hint

EBP71 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 40.8 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
Dayton Audio QU4TRO 12"27 =0.357 -0.01120.1 +5.38.7 =93.6 +0.4close+
Dali A-12WD vp27 =0.328 -0.03121 +6.28.8 +0.193.3 +0.1close8 Ω vs 4 Ω: amp load changes+
Dayton Audio ST305-829.6 +2.60.348 -0.01128.1 +13.38 -0.792.9 -0.3close8 Ω vs 4 Ω: amp load changes · Xmax 8 mm < 8.7 mm: lower excursion-limited SPL+
Faital PRO 12RS43030 +30.35 -0.01131.2 +16.413.57 +4.8793 -0.2close8 Ω vs 4 Ω: amp load changes+
Hertz Audio ES 30028 +10.38 +0.0289.4 -25.49 +0.394 +0.8close+
Visaton TIW300 vp28.9 +1.90.32 -0.04125 +10.28.3 -0.492.5 -0.7close8 Ω vs 4 Ω: amp load changes · Xmax 8.3 mm < 8.7 mm: lower excursion-limited SPL+
Atohm D300P0426.5 -0.50.33 -0.03104 -10.87 -1.793 -0.2close200 W vs 300 W: lower power handling · Xmax 7 mm < 8.7 mm: lower excursion-limited SPL+
JBL GT2-1229.5 +2.50.42 +0.06114.9 +0.18 -0.794.1 +0.9close220 W vs 300 W: lower power handling · Xmax 8 mm < 8.7 mm: lower excursion-limited SPL+
Helix HXS 120625 -20.337 -0.02107 -7.87 -1.793.6 +0.4closeXmax 7 mm < 8.7 mm: lower excursion-limited SPL+
hertz Hertz Audio ES30028 +10.382 +0.0289.4 -25.47.7 -193 -0.2closeXmax 7.7 mm < 8.7 mm: lower excursion-limited SPL+

Compare the closest 3 against the IN12 300 →

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.