Oberton 15NMB35

15" · 8 Ω · 600 W · 99.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	38.93 Hz
Qts	0.335
Qes	0.348
Qms	8.88
Vas	177.47 L
Sd	829.6 cm²
Xmax	6.75 mm
Re	5.4 Ω
Bl	18.54 T·m
Mms	90.52 g
Pe	600 W
Sensitivity	99.5 dB

Alignment hint

EBP	112 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 51.4 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
PHL Audio 5221 SP	41 +2.07	0.329 -0.01	190 +12.53	6.6 -0.15	99.5 =	close	Xmax 6.6 mm < 6.75 mm: lower excursion-limited SPL	+
JBL 2226H	40 +1.07	0.31 -0.03	175.6 -1.87	7 +0.25	99.3 -0.2	close		+
Beyma 15MW/ND	40 +1.07	0.331 =	207 +29.53	6.5 -0.25	99.4 -0.1	close	400 W vs 600 W: lower power handling · Xmax 6.5 mm < 6.75 mm: lower excursion-limited SPL	+
JBL 2255H	39 +0.07	0.303 -0.03	170 -7.47	7.1 +0.35	98.9 -0.6	close		+
JBL 2265 HPL	37 -1.93	0.325 -0.01	176 -1.47	8 +1.25	97.9 -1.6	close		+
Eminence KAPPA PRO 15 LFC	37 -1.93	0.319 -0.02	183.2 +5.73	7.9 +1.15	100.3 +0.8	close	4 Ω vs 8 Ω: amp load changes	+
Oberton 15MB500	41.5 +2.57	0.339 =	161.54 -15.93	7.75 +1	100 +0.5	close		+
PD PD 15BR40	38.7 -0.23	0.34 +0.01	158.3 -19.17	7.9 +1.15	98.1 -1.4	close		+
Precision Devices PD 15BR40	38.7 -0.23	0.34 +0.01	158.3 -19.17	7.9 +1.15	98.1 -1.4	close		+
Faital PRO 15FH520-4	38 -0.93	0.337 =	156.6 -20.87	7.8 +1.05	100.6 +1.1	close	4 Ω vs 8 Ω: amp load changes	+

Compare the closest 3 against the 15NMB35 →

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.