Oberton 8MB201

8" · 8 Ω · 200 W · 93 dB · datasheet ↗

Thiele-Small parameters

Nominal size	8"
Impedance	8 Ω
Fs	67.7 Hz
Qts	0.314
Qes	0.33
Qms	6.24
Vas	14.74 L
Sd	200 cm²
Xmax	7 mm
Re	5.8 Ω
Bl	12.54 T·m
Mms	21 g
Pe	200 W
Sensitivity	93 dB

Alignment hint

EBP	205 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 3.6 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
Faital PRO 8PR210	65 -2.7	0.34 +0.03	15.7 +0.96	7.17 +0.17	94 +1	close	16 Ω vs 8 Ω: amp load changes	+
Faital PRO 8PR210	65 -2.7	0.29 -0.02	15.4 +0.66	6.92 -0.08	95 +2	close	Xmax 6.92 mm < 7 mm: lower excursion-limited SPL	+
B&C 8NDL51	66 -1.7	0.37 +0.06	14 -0.74	7 =	94 +1	close		+
B&C 8FG64	51 -16.7	0.31 =	15 +0.26	7 =	92 -1	close		+
Beyma 8WRS300	65 -2.7	0.28 -0.03	15 +0.26	6 -1	95 +2	close	Xmax 6 mm < 7 mm: lower excursion-limited SPL	+
Faital PRO 8RS250	56 -11.7	0.32 +0.01	18.3 +3.56	6.92 -0.08	93 =	close	Xmax 6.92 mm < 7 mm: lower excursion-limited SPL	+
Beyma 8WR300	65 -2.7	0.27 -0.04	15 +0.26	6 -1	95 +2	usable	Xmax 6 mm < 7 mm: lower excursion-limited SPL	+
B&C 8PS21	73 +5.3	0.33 +0.02	14 -0.74	5 -2	94 +1	usable	Xmax 5 mm < 7 mm: lower excursion-limited SPL	+
Beyma 8"G40	70 +2.3	0.36 +0.05	17 +2.26	6.5 -0.5	95 +2	usable	Xmax 6.5 mm < 7 mm: lower excursion-limited SPL	+
Sica 8 Fe 2 CP	67 -0.7	0.32 +0.01	16.9 +2.16	4.5 -2.5	94.6 +1.6	usable	Xmax 4.5 mm < 7 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 8MB201 →

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.