Oberton 12NXL400

12" · 8 Ω · 450 W · 101 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	48.6 Hz
Qts	0.203
Qes	0.207
Qms	11.9
Vas	79.24 L
Sd	514.7 cm²
Xmax	5.25 mm
Re	5.7 Ω
Bl	20.57 T·m
Mms	50.06 g
Pe	450 W
Sensitivity	101 dB

Alignment hint

EBP	235 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 7.1 L

EBP > 100: favours a ported (bass-reflex) 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
18 Sound 12MB710	46 -2.6	0.2 =	81 +1.76	5 -0.25	100 -1	close	Xmax 5 mm < 5.25 mm: lower excursion-limited SPL	+
18 Sound 12MB720	46 -2.6	0.2 =	81 +1.76	5 -0.25	100 -1	close	Xmax 5 mm < 5.25 mm: lower excursion-limited SPL	+
18 Sound 12MB810	46 -2.6	0.2 =	81 +1.76	5 -0.25	100 -1	close	Xmax 5 mm < 5.25 mm: lower excursion-limited SPL	+
B&C 12NDL76	50 +1.4	0.2 =	73 -6.24	7 +1.75	100 -1	close		+
Oberton 12NB450	46.46 -2.14	0.204 =	72.57 -6.67	7.75 +2.5	100 -1	close		+
Beyma 12P80FE V2	50 +1.4	0.201 =	66.8 -12.44	5.2 -0.05	99.9 -1.1	close	Xmax 5.2 mm < 5.25 mm: lower excursion-limited SPL	+
18 Sound 12ND710	52 +3.4	0.2 =	92 +12.76	5 -0.25	101 =	close	Xmax 5 mm < 5.25 mm: lower excursion-limited SPL	+
Beyma 12P80/Fe	46 -2.6	0.186 -0.02	75.6 -3.64	5.6 +0.35	99.8 -1.2	close		+
B&C 12 NDL 76	50 +1.4	0.2 =	73 -6.24	4.3 -0.95	100.1 -0.9	close	Xmax 4.3 mm < 5.25 mm: lower excursion-limited SPL	+
B&C 12NDL76	50 +1.4	0.19 -0.01	70 -9.24	6 +0.75	100 -1	close	4 Ω vs 8 Ω: amp load changes	+

Compare the closest 3 against the 12NXL400 →

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.