Oberton 15B450 / 15B450A / 15B450A2

15" · 8 Ω · 450 W · 100 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	45.08 Hz
Qts	0.286
Qes	0.294
Qms	9.6
Vas	146.85 L
Sd	829.6 cm²
Xmax	6.75 mm
Re	5.32 Ω
Bl	20.43 T·m
Mms	81.56 g
Pe	450 W
Sensitivity	100 dB

Alignment hint

EBP	153 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 28.7 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 15NTLW2500	45 -0.08	0.3 +0.01	143 -3.85	8 +1.25	100.5 +0.5	close		+
Oberton 15B450	45.1 +0.02	0.285 =	146.9 +0.05	5.4 -1.35	100.3 +0.3	close	Xmax 5.4 mm < 6.75 mm: lower excursion-limited SPL	+
18 Sound 15ND730	44 -1.08	0.29 =	156 +9.15	6.5 -0.25	99 -1	close	Xmax 6.5 mm < 6.75 mm: lower excursion-limited SPL	+
Fane FC-154F01	41 -4.08	0.287 =	151 +4.15	6.5 -0.25	99.1 -0.9	close	Xmax 6.5 mm < 6.75 mm: lower excursion-limited SPL	+
Oberton 15NMB500	44.74 -0.34	0.292 +0.01	127.95 -18.9	7.75 +1	100.5 +0.5	close		+
B&C 15NDL88	41 -4.08	0.28 -0.01	154 +7.15	8 +1.25	99 -1	close	4 Ω vs 8 Ω: amp load changes	+
B&C 14 CXN 6	45 -0.08	0.28 -0.01	131 -15.85	5.6 -1.15	100 =	close	Xmax 5.6 mm < 6.75 mm: lower excursion-limited SPL	+
RCF MB 15N405	46 +0.92	0.265 -0.02	124 -22.85	6.6 -0.15	100 =	close	Xmax 6.6 mm < 6.75 mm: lower excursion-limited SPL	+
Beyma 15MCB700	44 -1.08	0.34 +0.05	148 +1.15	7 +0.25	99 -1	close		+
Fane COLOSSUS 15-750BMN	45 -0.08	0.27 -0.02	127 -19.85	5.8 -0.95	99.6 -0.4	close	Xmax 5.8 mm < 6.75 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 15B450 / 15B450A / 15B450A2 →

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.