Oberton 18NXB1601

18" · 8 Ω · 1600 W · 96.9 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	34.6 Hz
Qts	0.286
Qes	0.301
Qms	5.75
Vas	146.2 L
Sd	1158 cm²
Xmax	8.2 mm
Re	5.18 Ω
Bl	31.9 T·m
Mms	271.4 g
Pe	1600 W
Sensitivity	96.9 dB

Alignment hint

EBP	115 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 28.6 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 18NLW9600	34 -0.6	0.281 =	149 +2.8	9 +0.8	97.3 +0.4	close		+
B&C 18DS100	34 -0.6	0.29 =	155 +8.8	14.5 +6.3	97.5 +0.6	close		+
Oberton 18XB1300	35.2 +0.6	0.287 =	170.9 +24.7	8 -0.2	97.8 +0.9	close	Xmax 8 mm < 8.2 mm: lower excursion-limited SPL	+
B&C 18SW115	34 -0.6	0.3 +0.01	149.1 +2.9	14 +5.8	96 -0.9	close	4 Ω vs 8 Ω: amp load changes	+
B&C 18PZB100	38 +3.4	0.28 -0.01	164 +17.8	8 -0.2	96.5 -0.4	close	4 Ω vs 8 Ω: amp load changes · 700 W vs 1600 W: lower power handling · Xmax 8 mm < 8.2 mm: lower excursion-limited SPL	+
Oberton 18NXB700	36.24 +1.64	0.312 +0.03	155.46 +9.26	9 +0.8	98 +1.1	close	1000 W vs 1600 W: lower power handling	+
Oberton 18XB1301	35.7 +1.1	0.302 +0.02	172.9 +26.7	8.2 =	97.9 +1	close		+
LaVoce SAF184.50	35 +0.4	0.329 +0.04	162 +15.8	9.2 +1	96.5 -0.4	close		+
Celestion CF18VJD	34.3 -0.3	0.336 +0.05	150.6 +4.4	9 +0.8	95.5 -1.4	close		+
18 Sound 18NLW4500	35 +0.4	0.33 +0.04	151 +4.8	15.3 +7.1	97 +0.1	close		+

Compare the closest 3 against the 18NXB1601 →

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.