Beyma 8MC500Nd

8" · 8 Ω · 500 W · 98 dB · datasheet ↗

Thiele-Small parameters

Nominal size	8"
Impedance	8 Ω
Fs	69 Hz
Qts	0.18
Qes	0.19
Qms	2.6
Vas	15.9 L
Sd	220 cm²
Xmax	5 mm
Re	5.3 Ω
Bl	16.7 T·m
Mms	23 g
Pe	500 W
Sensitivity	98 dB

Alignment hint

EBP	363 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 1.1 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 8MDN51	70 +1	0.2 +0.02	16 +0.1	6 +1	97 -1	close	200 W vs 500 W: lower power handling	+
B&C 8NW51	68 -1	0.22 +0.04	14 -1.9	7 +2	97 -1	usable	16 Ω vs 8 Ω: amp load changes · 200 W vs 500 W: lower power handling	+
18 Sound 8NTLW2000	71 +2	0.21 +0.03	13 -2.9	4.4 -0.6	97.5 -0.5	usable	350 W vs 500 W: lower power handling · Xmax 4.4 mm < 5 mm: lower excursion-limited SPL	+
B&C 8NW51	74 +5	0.17 -0.01	11 -4.9	6 +1	96.5 -1.5	usable	200 W vs 500 W: lower power handling	+
B&C 8FW51	74 +5	0.21 +0.03	12 -3.9	6 +1	97 -1	usable	200 W vs 500 W: lower power handling	+
Beyma 8"MC300Nd	62 -7	0.22 +0.04	18 +2.1	6 +1	96 -2	usable	300 W vs 500 W: lower power handling	+
Oberton 8M250	74.37 +5.37	0.201 +0.02	15.63 -0.27	2.75 -2.25	99.5 +1.5	usable	250 W vs 500 W: lower power handling · Xmax 2.75 mm < 5 mm: lower excursion-limited SPL	+
B&C 8MDN51	68 -1	0.27 +0.09	17.5 +1.6	6 +1	97 -1	usable	16 Ω vs 8 Ω: amp load changes · 200 W vs 500 W: lower power handling	+
B&C 8CLA64	71 +2	0.24 +0.06	12.5 -3.4	5.3 +0.3	96 -2	usable	250 W vs 500 W: lower power handling	+
18 Sound 8NW650	63 -6	0.25 +0.07	17.8 +1.9	5.5 +0.5	96 -2	usable	300 W vs 500 W: lower power handling	+

Compare the closest 3 against the 8MC500Nd →

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.