Oberton 15XL400

15" · 8 Ω · 400 W · 102 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	48.78 Hz
Qts	0.337
Qes	0.35
Qms	9.3
Vas	140 L
Sd	829.6 cm²
Xmax	5.25 mm
Re	5.6 Ω
Bl	18.92 T·m
Mms	73.05 g
Pe	400 W
Sensitivity	102 dB

Alignment hint

EBP	139 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 41.1 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
JBL 2035H	48 -0.78	0.336 =	140.5 +0.5	4.9 -0.35	101.5 -0.5	close	4 Ω vs 8 Ω: amp load changes · Xmax 4.9 mm < 5.25 mm: lower excursion-limited SPL	+
Oberton 15LX400	48.8 +0.02	0.337 =	140 =	5.2 -0.05	100.2 -1.8	close	Xmax 5.2 mm < 5.25 mm: lower excursion-limited SPL	+
Eminence KappaLITE 3015 \|	45 -3.78	0.34 =	153 +13	5.9 +0.65	100.8 -1.2	close		+
RCF MB 15N301	48 -0.78	0.36 +0.02	134 -6	5.6 +0.35	99.2 -2.8	close		+
18 Sound 15CX1000	48 -0.78	0.304 -0.03	132.5 -7.5	6 +0.75	100.2 -1.8	close		+
Eminence KAPPALITE 3015	45 -3.78	0.342 +0.01	153 +13	5.8 +0.55	99.7 -2.3	close		+
18 Sound 15W1300	46 -2.78	0.361 +0.02	138 -2	6 +0.75	99 -3	close		+
Oberton 15MB35	47.7 -1.08	0.336 =	115.1 -24.9	6.75 +1.5	100 -2	close		+
Eighteen Sound 15NCX750	49 +0.22	0.37 +0.03	141 +1	5.5 +0.25	98 -4	close		+
P.Audio C15-600EL	44.9 -3.88	0.352 +0.01	137.4 -2.6	5 -0.25	99 -3	close	Xmax 5 mm < 5.25 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 15XL400 →

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.