Oberton 18XB700

18" · 8 Ω · 1000 W · 98 dB · datasheet ↗

Thiele-Small parameters

Nominal size	18"
Impedance	8 Ω
Fs	36.1 Hz
Qts	0.304
Qes	0.314
Qms	9.26
Vas	183.22 L
Sd	1110 cm²
Xmax	9 mm
Re	5.17 Ω
Bl	26.1 T·m
Mms	182.62 g
Pe	1000 W
Sensitivity	98 dB

Alignment hint

EBP	115 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 41.5 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 18XB1301	35.7 -0.4	0.302 =	172.9 -10.32	8.2 -0.8	97.9 -0.1	close	Xmax 8.2 mm < 9 mm: lower excursion-limited SPL	+
Oberton 18XB1301DS	35.7 -0.4	0.302 =	172.9 -10.32	12 +3	97.5 -0.5	close		+
Faital PRO 18HP1022	35 -1.1	0.3 =	204.9 +21.68	9.5 +0.5	98 =	close		+
Oberton 18NXB700	36.24 +0.14	0.312 +0.01	155.46 -27.76	9 =	98 =	close		+
Fane COLOSSUS 18XT5N	36 -0.1	0.331 +0.03	185 +1.78	8.4 -0.6	97.4 -0.6	close	Xmax 8.4 mm < 9 mm: lower excursion-limited SPL	+
Faital PRO 18HP1060	35 -1.1	0.33 +0.03	184.4 +1.18	12.45 +3.45	98 =	close	4 Ω vs 8 Ω: amp load changes	+
Faital PRO 18HP1030	35 -1.1	0.32 +0.02	172.2 -11.02	12.45 +3.45	98 =	close	4 Ω vs 8 Ω: amp load changes	+
PD PD 1845-1N	34.1 -2	0.323 +0.02	176 -7.22	9.5 +0.5	97.5 -0.5	close		+
Precision Devices PD 1845-1N	34.1 -2	0.323 +0.02	176 -7.22	9.5 +0.5	97.5 -0.5	close		+
18 Sound 18LW2420	34 -2.1	0.31 +0.01	208 +24.78	10 +1	98 =	close	4 Ω vs 8 Ω: amp load changes	+

Compare the closest 3 against the 18XB700 →

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.