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Beyma SM212

12" · 8 Ω · 350 W · 98 dB · datasheet ↗

Thiele-Small parameters

Nominal size12"
Impedance8 Ω
Fs34 Hz
Qts0.258
Qes0.27
Qms5.6
Vas198 L
Sd550 cm²
Xmax8.2 mm
Re5.8 Ω
Bl14.7 T·m
Mms46.9 g
Pe350 W
Sensitivity98 dB

Alignment hint

EBP126 · ported
Sealed Vb (Qtc ≈ 0.71)≈ 30.4 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

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
Fostex L 34534 =0.242 -0.02197 -15.7 -2.597.3 -0.7close150 W vs 350 W: lower power handling · Xmax 5.7 mm < 8.2 mm: lower excursion-limited SPL+
Cabasse 30M2231.5 -2.50.315 +0.06196.1 -1.98 -0.297.7 -0.3close200 W vs 350 W: lower power handling · Xmax 8 mm < 8.2 mm: lower excursion-limited SPL+
AE Speakers TD12X33.9 -0.10.284 +0.03159.4 -38.67 -1.295.4 -2.6usableXmax 7 mm < 8.2 mm: lower excursion-limited SPL+
Visaton WS33NG30 -40.308 +0.05190 -88 -0.294.5 -3.5usable200 W vs 350 W: lower power handling · Xmax 8 mm < 8.2 mm: lower excursion-limited SPL+
Monacor SP-330PAX33 -10.238 -0.02190 -84.5 -3.797.4 -0.6usable125 W vs 350 W: lower power handling · Xmax 4.5 mm < 8.2 mm: lower excursion-limited SPL+
Visaton TD31 -30.324 +0.07200 +27.3 -0.995.5 -2.5usable150 W vs 350 W: lower power handling · Xmax 7.3 mm < 8.2 mm: lower excursion-limited SPL+
Beyma SM112/N38 +40.27 +0.01138 -607.3 -0.997.2 -0.8usableXmax 7.3 mm < 8.2 mm: lower excursion-limited SPL+
Visaton TD130.3 -3.70.327 +0.07200 +27.6 -0.695.3 -2.7usable150 W vs 350 W: lower power handling · Xmax 7.6 mm < 8.2 mm: lower excursion-limited SPL+
Westra SW-300-280830 -40.322 +0.06209 +119.3 +1.194.7 -3.3usable250 W vs 350 W: lower power handling+
Rockford Fosgate S1-12428 -60.326 +0.07186 -129.9 +1.796.2 -1.8usable4 Ω vs 8 Ω: amp load changes+

Compare the closest 3 against the SM212 →

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.