Oberton 15NMB500

15" · 8 Ω · 500 W · 100.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	44.74 Hz
Qts	0.292
Qes	0.298
Qms	12.4
Vas	127.95 L
Sd	829.6 cm²
Xmax	7.75 mm
Re	5.1 Ω
Bl	21.34 T·m
Mms	95.03 g
Pe	500 W
Sensitivity	100.5 dB

Alignment hint

EBP	150 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 26.3 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 +0.26	0.3 +0.01	143 +15.05	8 +0.25	100.5 =	close		+
Oberton 15NXL701	43.4 -1.34	0.3 +0.01	127.09 -0.86	9.25 +1.5	99 -1.5	close		+
Sica 15 PF 3	45 +0.26	0.31 +0.02	117.6 -10.35	8 +0.25	99.1 -1.4	close		+
Oberton 15B450 / 15B450A / 15B450A2	45.08 +0.34	0.286 -0.01	146.85 +18.9	6.75 -1	100 -0.5	close	Xmax 6.75 mm < 7.75 mm: lower excursion-limited SPL	+
Oberton 15XL701	45.25 +0.51	0.28 -0.01	116.99 -10.96	8.75 +1	98 -2.5	close		+
B&C 15NDL88	45 +0.26	0.34 +0.05	126 -1.95	8 +0.25	99 -1.5	close		+
18 Sound 15LW1410	42 -2.74	0.27 -0.02	131 +3.05	8.5 +0.75	98.5 -2	close		+
18 Sound 15LW1402	42 -2.74	0.28 -0.01	126 -1.95	7 -0.75	98.4 -2.1	close	Xmax 7 mm < 7.75 mm: lower excursion-limited SPL	+
RCF MB 15N405	46 +1.26	0.265 -0.03	124 -3.95	6.6 -1.15	100 -0.5	close	Xmax 6.6 mm < 7.75 mm: lower excursion-limited SPL	+
B&C 14 CXN 6	45 +0.26	0.28 -0.01	131 +3.05	5.6 -2.15	100 -0.5	close	Xmax 5.6 mm < 7.75 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 15NMB500 →

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.