Beyma 8"MC300Nd

8" · 8 Ω · 300 W · 96 dB · datasheet ↗

Thiele-Small parameters

Nominal size	8"
Impedance	8 Ω
Fs	62 Hz
Qts	0.22
Qes	0.24
Qms	3.8
Vas	18 L
Sd	220 cm²
Xmax	6 mm
Re	6.1 Ω
Bl	16 T·m
Mms	25 g
Pe	300 W
Sensitivity	96 dB

Alignment hint

EBP	258 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 1.9 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 8NW650	63 +1	0.25 +0.03	17.8 -0.2	5.5 -0.5	96 =	close	Xmax 5.5 mm < 6 mm: lower excursion-limited SPL	+
18 Sound 8NW650	62 =	0.25 +0.03	18.99 +0.99	5.5 -0.5	95 -1	close	16 Ω vs 8 Ω: amp load changes · Xmax 5.5 mm < 6 mm: lower excursion-limited SPL	+
B&C 8NW51	68 +6	0.22 =	14 -4	7 +1	97 +1	close	16 Ω vs 8 Ω: amp load changes · 200 W vs 300 W: lower power handling	+
B&C 8MDN51	70 +8	0.2 -0.02	16 -2	6 =	97 +1	close	200 W vs 300 W: lower power handling	+
B&C 8MDN51	68 +6	0.27 +0.05	17.5 -0.5	6 =	97 +1	close	16 Ω vs 8 Ω: amp load changes · 200 W vs 300 W: lower power handling	+
Beyma 8WR300	65 +3	0.27 +0.05	15 -3	6 =	95 -1	usable		+
Beyma 8WRS300	65 +3	0.28 +0.06	15 -3	6 =	95 -1	usable		+
B&C 8FMB51	67 +5	0.28 +0.06	20.7 +2.7	5.5 -0.5	96.5 +0.5	usable	Xmax 5.5 mm < 6 mm: lower excursion-limited SPL	+
Faital PRO 8PR210	65 +3	0.29 +0.07	15.4 -2.6	6.92 +0.92	95 -1	usable	200 W vs 300 W: lower power handling	+
B&C 8MBX51	60 -2	0.29 +0.07	23 +5	6 =	96.5 +0.5	usable	200 W vs 300 W: lower power handling	+

Compare the closest 3 against the 8"MC300Nd →

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.