Beyma SM212 v2009
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 40 Hz |
| Qts | 0.373 |
| Qes | 0.4 |
| Qms | 5.6 |
| Vas | 150 L |
| Sd | 550 cm² |
| Xmax | 8.2 mm |
| Re | 5.8 Ω |
| Bl | 12.8 T·m |
| Mms | 44.8 g |
| Pe | 350 W |
| Sensitivity | 97.2 dB |
Alignment hint
| EBP | 100 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 57.8 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 +2 | 0.37 = | 113.3 -36.7 | 7.37 -0.83 | 97 -0.2 | close | Xmax 7.37 mm < 8.2 mm: lower excursion-limited SPL | + |
| Faital PRO 12PR320-08 v2022 | 42 +2 | 0.371 = | 113 -37 | 7.1 -1.1 | 97.1 -0.1 | close | Xmax 7.1 mm < 8.2 mm: lower excursion-limited SPL | + |
| Infinity KAPPA CS 120 BR | 35.2 -4.8 | 0.397 +0.02 | 123.2 -26.8 | 8 -0.2 | 97.1 -0.1 | close | 4 Ω vs 8 Ω: amp load changes · 250 W vs 350 W: lower power handling · Xmax 8 mm < 8.2 mm: lower excursion-limited SPL | + |
| Ardan W PRO-31 | 36.8 -3.2 | 0.373 = | 133.9 -16.1 | 6 -2.2 | 94.6 -2.6 | usable | 200 W vs 350 W: lower power handling · Xmax 6 mm < 8.2 mm: lower excursion-limited SPL | + |
| Eminence DELTALITE II 2512 v2 | 37 -3 | 0.386 +0.01 | 147 -3 | 4.9 -3.3 | 96.3 -0.9 | usable | 250 W vs 350 W: lower power handling · Xmax 4.9 mm < 8.2 mm: lower excursion-limited SPL | + |
| Eminence DELTA PRO 12-450A | 44 +4 | 0.371 = | 141.7 -8.3 | 5.2 -3 | 98.9 +1.7 | usable | Xmax 5.2 mm < 8.2 mm: lower excursion-limited SPL | + |
| Beyma SM212-N2 | 43 +3 | 0.372 = | 103 -47 | 6.9 -1.3 | 96.7 -0.5 | usable | Xmax 6.9 mm < 8.2 mm: lower excursion-limited SPL | + |
| Beyma SM212 v2018 | 43 +3 | 0.381 +0.01 | 103 -47 | 7 -1.2 | 96.6 -0.6 | usable | Xmax 7 mm < 8.2 mm: lower excursion-limited SPL | + |
| Beyma SM212 vp Nº2 | 41.7 +1.7 | 0.41 +0.04 | 110.7 -39.3 | 7.3 -0.9 | 95.2 -2 | usable | Xmax 7.3 mm < 8.2 mm: lower excursion-limited SPL | + |
| Beyma SM112/N | 38 -2 | 0.27 -0.1 | 138 -12 | 7.3 -0.9 | 97.2 = | usable | Xmax 7.3 mm < 8.2 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the SM212 v2009 →
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.