Oberton 12NB450

12" · 8 Ω · 500 W · 100 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	46.46 Hz
Qts	0.204
Qes	0.208
Qms	10.53
Vas	72.57 L
Sd	514.7 cm²
Xmax	7.75 mm
Re	5 Ω
Bl	20.34 T·m
Mms	59.82 g
Pe	500 W
Sensitivity	100 dB

Alignment hint

EBP	223 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 6.6 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
B&C 12NDL76	50 +3.54	0.2 =	73 +0.43	7 -0.75	100 =	close	Xmax 7 mm < 7.75 mm: lower excursion-limited SPL	+
18 Sound 12ND940	49 +2.54	0.2 =	64.8 -7.77	7.6 -0.15	100 =	close	Xmax 7.6 mm < 7.75 mm: lower excursion-limited SPL	+
Oberton 12B450	46.29 -0.17	0.235 +0.03	71.75 -0.82	7.75 =	99 -1	close		+
Beyma 12"P80/Fe V2	48 +1.54	0.21 +0.01	61 -11.57	7.5 -0.25	99 -1	close	Xmax 7.5 mm < 7.75 mm: lower excursion-limited SPL	+
18 Sound 12ND930	50 +3.54	0.21 +0.01	70 -2.57	6.5 -1.25	98 -2	close	Xmax 6.5 mm < 7.75 mm: lower excursion-limited SPL	+
B&C 12NDL76	50 +3.54	0.19 -0.01	70 -2.57	6 -1.75	100 =	close	4 Ω vs 8 Ω: amp load changes · Xmax 6 mm < 7.75 mm: lower excursion-limited SPL	+
Beyma 12P80/Fe	46 -0.46	0.186 -0.02	75.6 +3.03	5.6 -2.15	99.8 -0.2	close	Xmax 5.6 mm < 7.75 mm: lower excursion-limited SPL	+
Faital PRO 12FH500	45 -1.46	0.22 +0.02	80.3 +7.73	7.25 -0.5	97 -3	close	4 Ω vs 8 Ω: amp load changes · Xmax 7.25 mm < 7.75 mm: lower excursion-limited SPL	+
18 Sound 12MB710	46 -0.46	0.2 =	81 +8.43	5 -2.75	100 =	close	Xmax 5 mm < 7.75 mm: lower excursion-limited SPL	+
18 Sound 12MB720	46 -0.46	0.2 =	81 +8.43	5 -2.75	100 =	close	Xmax 5 mm < 7.75 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 12NB450 →

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.