Beyma SM212 vp Nº2

12" · 8 Ω · 350 W · 95.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	41.7 Hz
Qts	0.41
Qes	0.499
Qms	2.305
Vas	110.7 L
Sd	535 cm²
Xmax	7.3 mm
Re	6.21 Ω
Bl	13.1 T·m
Mms	52.7 g
Pe	350 W
Sensitivity	95.2 dB

Alignment hint

EBP	84 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 56.1 L

EBP 50-100: works in either a sealed or ported 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 12PR320	42 +0.3	0.37 -0.04	113.3 +2.6	7.37 +0.07	97 +1.8	close		+
Beyma SM112/N v2012	43 +1.3	0.434 +0.02	94 -16.7	7.3 =	95.3 +0.1	close		+
Faital PRO 12PR320-08 v2022	42 +0.3	0.371 -0.04	113 +2.3	7.1 -0.2	97.1 +1.9	close	Xmax 7.1 mm < 7.3 mm: lower excursion-limited SPL	+
Beyma SM212 v2018	43 +1.3	0.381 -0.03	103 -7.7	7 -0.3	96.6 +1.4	close	Xmax 7 mm < 7.3 mm: lower excursion-limited SPL	+
McCauley 6232	35 -6.7	0.411 =	106.2 -4.5	8.4 +1.1	93.6 -1.6	close		+
Beyma SM212-N2	43 +1.3	0.372 -0.04	103 -7.7	6.9 -0.4	96.7 +1.5	close	Xmax 6.9 mm < 7.3 mm: lower excursion-limited SPL	+
MCM Electronics 55-2982	36.2 -5.5	0.407 =	121.7 +11	7 -0.3	93.9 -1.3	close	Xmax 7 mm < 7.3 mm: lower excursion-limited SPL	+
Davis 31TPA vp nº1 dats v2	41.7 =	0.4 -0.01	114.9 +4.2	4.8 -2.5	95.5 +0.3	close	150 W vs 350 W: lower power handling · Xmax 4.8 mm < 7.3 mm: lower excursion-limited SPL	+
GRS 12PT-8	35 -6.7	0.387 -0.02	112 +1.3	7.8 +0.5	93 -2.2	close		+
RCF W 300	39.5 -2.2	0.391 -0.02	90 -20.7	6.9 -0.4	96.4 +1.2	close	4 Ω vs 8 Ω: amp load changes · Xmax 6.9 mm < 7.3 mm: lower excursion-limited SPL	+

Compare the closest 3 against the SM212 vp Nº2 →

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.