Oberton 15B500

15" · 8 Ω · 500 W · 99 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	38.2 Hz
Qts	0.268
Qes	0.274
Qms	12.06
Vas	145.82 L
Sd	829.6 cm²
Xmax	7.25 mm
Re	5.23 Ω
Bl	22.91 T·m
Mms	114.4 g
Pe	500 W
Sensitivity	99 dB

Alignment hint

EBP	139 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 24.5 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
Oberton 15NB451	39.57 +1.37	0.257 -0.01	145.21 -0.61	7 -0.25	99 =	close	Xmax 7 mm < 7.25 mm: lower excursion-limited SPL	+
P.Audio P-15N	39.8 +1.6	0.254 -0.01	144.6 -1.22	7.5 +0.25	99.2 +0.2	close		+
BMS 15N830V2 v2015	37 -1.2	0.271 =	159 +13.18	7.5 +0.25	98.6 -0.4	close		+
B&C 15PS76-8	38 -0.2	0.26 -0.01	164 +18.18	7.5 +0.25	99 =	close		+
18 Sound 15NLW9300 v2015	39 +0.8	0.263 -0.01	170 +24.18	7.2 -0.05	98.9 -0.1	close	Xmax 7.2 mm < 7.25 mm: lower excursion-limited SPL	+
B&C 15NDL88	41 +2.8	0.28 +0.01	154 +8.18	8 +0.75	99 =	close	4 Ω vs 8 Ω: amp load changes	+
PHL Audio 6030	38 -0.2	0.264 =	130 -15.82	7.2 -0.05	97.6 -1.4	close	Xmax 7.2 mm < 7.25 mm: lower excursion-limited SPL	+
RCF LF 15G401	36 -2.2	0.259 -0.01	150 +4.18	6.9 -0.35	98.3 -0.7	close	Xmax 6.9 mm < 7.25 mm: lower excursion-limited SPL	+
RCF L 15P400	36 -2.2	0.261 -0.01	160 +14.18	7.2 -0.05	98.6 -0.4	close	Xmax 7.2 mm < 7.25 mm: lower excursion-limited SPL	+
Faital PRO 15FX560 v2015	38 -0.2	0.296 +0.03	143 -2.82	7.5 +0.25	97.9 -1.1	close		+

Compare the closest 3 against the 15B500 →

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.