Beyma SM112-N2
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 40 Hz |
| Qts | 0.298 |
| Qes | 0.31 |
| Qms | 8 |
| Vas | 117.3 L |
| Sd | 550 cm² |
| Xmax | 5.9 mm |
| Re | 6.2 Ω |
| Bl | 17 T·m |
| Mms | 57.2 g |
| Pe | 250 W |
| Sensitivity | 96.9 dB |
Alignment hint
| EBP | 129 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 25.3 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 |
|---|---|---|---|---|---|---|---|---|
| Beyma SM112/N v2021 | 40 = | 0.298 = | 117 -0.3 | 7 +1.1 | 96.9 = | close | + | |
| PHL Audio 4510 | 42 +2 | 0.307 +0.01 | 108 -9.3 | 6 +0.1 | 97.3 +0.4 | close | + | |
| McCauley B1240 | 38 -2 | 0.286 -0.01 | 110 -7.3 | 6.5 +0.6 | 96.3 -0.6 | close | + | |
| Beyma 12LW30/N | 38 -2 | 0.287 -0.01 | 109 -8.3 | 7 +1.1 | 96.2 -0.7 | close | + | |
| PHL Audio 4530 | 37 -3 | 0.314 +0.02 | 124 +6.7 | 6 +0.1 | 96.3 -0.6 | close | + | |
| Fane SOVEREIGN PRO 12-500 | 43 +3 | 0.314 +0.02 | 107 -10.3 | 6 +0.1 | 97.4 +0.5 | close | + | |
| Eminence KAPPALITE 3012 LF-4 | 36.4 -3.6 | 0.308 +0.01 | 107.4 -9.9 | 8.1 +2.2 | 97.2 +0.3 | close | 4 Ω vs 8 Ω: amp load changes | + |
| DAS Audio P-12 | 42 +2 | 0.329 +0.03 | 105 -12.3 | 6 +0.1 | 96.5 -0.4 | close | + | |
| Fane SOVEREIGN PRO 12-300S | 40 = | 0.321 +0.02 | 101.3 -16 | 5.3 -0.6 | 96.5 -0.4 | close | Xmax 5.3 mm < 5.9 mm: lower excursion-limited SPL | + |
| Beyma 12WRS400 | 42 +2 | 0.29 -0.01 | 91 -26.3 | 6.3 +0.4 | 97 +0.1 | close | + |
Compare the closest 3 against the SM112-N2 →
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.