Beyma 12CMV2
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 49 Hz |
| Qts | 0.47 |
| Qes | 0.54 |
| Qms | 3.9 |
| Vas | 76 L |
| Sd | 530 cm² |
| Xmax | 7 mm |
| Re | 6 Ω |
| Bl | 13.7 T·m |
| Mms | 54.7 g |
| Pe | 320 W |
| Sensitivity | 94 dB |
Alignment hint
| EBP | 91 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 60.2 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 |
|---|---|---|---|---|---|---|---|---|
| DAS Audio 12P | 46.2 -2.8 | 0.459 -0.01 | 73.6 -2.4 | 6 -1 | 94.6 +0.6 | close | Xmax 6 mm < 7 mm: lower excursion-limited SPL | + |
| Faital PRO 12PR330 | 52 +3 | 0.49 +0.02 | 76.3 +0.3 | 7.27 +0.27 | 97 +3 | close | 16 Ω vs 8 Ω: amp load changes | + |
| Radian CRS1230 | 48 -1 | 0.464 -0.01 | 76 = | 5.5 -1.5 | 95.8 +1.8 | close | Xmax 5.5 mm < 7 mm: lower excursion-limited SPL | + |
| Beyma SM212 vp Nº1 | 45.8 -3.2 | 0.456 -0.01 | 87.1 +11.1 | 6.5 -0.5 | 94.8 +0.8 | close | Xmax 6.5 mm < 7 mm: lower excursion-limited SPL | + |
| Elder Audio 12LB075-U | 50 +1 | 0.472 = | 72.8 -3.2 | 5.5 -1.5 | 96 +2 | close | Xmax 5.5 mm < 7 mm: lower excursion-limited SPL | + |
| Ciare HSB322-22 vp | 42.5 -6.5 | 0.484 +0.01 | 77 +1 | 7.3 +0.3 | 96.4 +2.4 | close | 4 Ω vs 8 Ω: amp load changes | + |
| the box Speaker 12-280/8-A | 50.6 +1.6 | 0.472 = | 72.8 -3.2 | 5.5 -1.5 | 96.1 +2.1 | close | Xmax 5.5 mm < 7 mm: lower excursion-limited SPL | + |
| PHL Audio 4540 vp essais | 45.8 -3.2 | 0.456 -0.01 | 87.8 +11.8 | 6 -1 | 94.8 +0.8 | close | Xmax 6 mm < 7 mm: lower excursion-limited SPL | + |
| PHL Audio 4530 vp2 | 45.8 -3.2 | 0.454 -0.02 | 86.8 +10.8 | 6 -1 | 95 +1 | close | Xmax 6 mm < 7 mm: lower excursion-limited SPL | + |
| Sica 12 PFS 3 | 43 -6 | 0.47 = | 58.5 -17.5 | 7 = | 93.6 -0.4 | close | + |
Compare the closest 3 against the 12CMV2 →
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.