Beyma 12MCS500-8

12" · 8 Ω · 500 W · 97.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	62 Hz
Qts	0.417
Qes	0.44
Qms	7.8
Vas	44 L
Sd	550 cm²
Xmax	4.9 mm
Re	5.7 Ω
Bl	17.9 T·m
Mms	63.5 g
Pe	500 W
Sensitivity	97.2 dB

Alignment hint

EBP	141 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 23.5 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
P.Audio SN-12MB mk2	62 =	0.413 =	43.6 -0.4	5 +0.1	97.6 +0.4	close		+
P.Audio EM12-LB600	62 =	0.431 +0.01	39.8 -4.2	4 -0.9	96.7 -0.5	close	Xmax 4 mm < 4.9 mm: lower excursion-limited SPL	+
18 Sound 12NTLW2500	60 -2	0.38 -0.04	45 +1	7.6 +2.7	98.5 +1.3	close		+
Radian 5212B	62 =	0.42 =	58.4 +14.4	5.4 +0.5	98.2 +1	close	375 W vs 500 W: lower power handling	+
18 Sound 12NTLW2500	62 =	0.5 +0.08	42 -2	7.6 +2.7	97 -0.2	close	16 Ω vs 8 Ω: amp load changes	+
Celestion TF 1225E	60.7 -1.3	0.414 =	50.8 +6.8	3.5 -1.4	96.8 -0.4	close	300 W vs 500 W: lower power handling · Xmax 3.5 mm < 4.9 mm: lower excursion-limited SPL	+
RCF L12P520	65 +3	0.37 -0.05	47 +3	4 -0.9	97 -0.2	close	125 W vs 500 W: lower power handling · Xmax 4 mm < 4.9 mm: lower excursion-limited SPL	+
RCF L 12P540	59 -3	0.349 -0.07	45 +1	4.3 -0.6	97.6 +0.4	close	Xmax 4.3 mm < 4.9 mm: lower excursion-limited SPL	+
HH Electronics B12L	64 +2	0.382 -0.03	44.8 +0.8	3.4 -1.5	97.4 +0.2	close	200 W vs 500 W: lower power handling · Xmax 3.4 mm < 4.9 mm: lower excursion-limited SPL	+
LaVoce WAF122.50	59 -3	0.365 -0.05	47 +3	4 -0.9	97.4 +0.2	close	350 W vs 500 W: lower power handling · Xmax 4 mm < 4.9 mm: lower excursion-limited SPL	+

Compare the closest 3 against the 12MCS500-8 →

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.