Oberton 8NM250v2

8" · 16 Ω · 250 W · 100 dB · datasheet ↗

Thiele-Small parameters

Nominal size	8"
Impedance	16 Ω
Fs	67.7 Hz
Qts	0.252
Qes	0.257
Qms	13.94
Vas	8.39 L
Sd	202 cm²
Xmax	4 mm
Re	10.97 Ω
Bl	21.26 T·m
Mms	16.83 g
Pe	250 W
Sensitivity	100 dB

Alignment hint

EBP	263 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 1.2 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
B&C 8NDL64	80 +12.3	0.25 =	9.6 +1.21	4.5 +0.5	97 -3	usable	8 Ω vs 16 Ω: amp load changes	+
B&C 8NW51	76 +8.3	0.25 =	10.6 +2.21	6 +2	97 -3	usable	4 Ω vs 16 Ω: amp load changes	+
18 Sound 8NTLW2000	74 +6.3	0.26 +0.01	11.3 +2.91	4.4 +0.4	96.5 -3.5	usable		+
LaVoce WAN082.02	80 +12.3	0.23 -0.02	8.97 +0.58	5.8 +1.8	96.5 -3.5	usable	8 Ω vs 16 Ω: amp load changes	+
B&C 8NDL64	73 +5.3	0.24 -0.01	11.8 +3.41	4.5 +0.5	97 -3	usable		+
Sica 8 K 3 PL	68.1 +0.4	0.25 =	12.2 +3.81	5 +1	95.1 -4.9	usable	8 Ω vs 16 Ω: amp load changes	+
Oberton 8NMB250v4	82.03 +14.33	0.258 +0.01	10.89 +2.5	4.5 +0.5	96 -4	usable	8 Ω vs 16 Ω: amp load changes	+
B&C 8CLA64	71 +3.3	0.24 -0.01	12.5 +4.11	5.3 +1.3	96 -4	usable	8 Ω vs 16 Ω: amp load changes	+
Oberton 8NB201	70.56 +2.86	0.245 -0.01	12.54 +4.15	5.25 +1.25	95 -5	usable	8 Ω vs 16 Ω: amp load changes	+
LaVoce WAF082.01	76 +8.3	0.21 -0.04	10.21 +1.82	5.8 +1.8	97 -3	usable	8 Ω vs 16 Ω: amp load changes	+

Compare the closest 3 against the 8NM250v2 →

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.