Beyma 12K200 v2
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 43 Hz |
| Qts | 0.276 |
| Qes | 0.31 |
| Qms | 2.51 |
| Vas | 96.2 L |
| Sd | 572.3 cm² |
| Xmax | 4.5 mm |
| Re | 6.8 Ω |
| Bl | 19.7 T·m |
| Mms | 65.3 g |
| Pe | 250 W |
| Sensitivity | 96.6 dB |
Alignment hint
| EBP | 139 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 17.3 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 12"WR400 | 42 -1 | 0.27 -0.01 | 91 -5.2 | 6.3 +1.8 | 97 +0.4 | close | + | |
| Beyma 12WR400 | 42 -1 | 0.285 +0.01 | 91.1 -5.1 | 6.3 +1.8 | 96.9 +0.3 | close | + | |
| PD PD 912 | 41.3 -1.7 | 0.253 -0.02 | 97.9 +1.7 | 5 +0.5 | 96.7 +0.1 | close | + | |
| Precision Devices PD 912 | 41.3 -1.7 | 0.253 -0.02 | 97.9 +1.7 | 5 +0.5 | 96.7 +0.1 | close | + | |
| Beyma 12WRS400 | 42 -1 | 0.29 +0.01 | 91 -5.2 | 6.3 +1.8 | 97 +0.4 | close | + | |
| Precision Devices PD912 | 41.29 -1.71 | 0.25 -0.03 | 97.87 +1.67 | 5 +0.5 | 97 +0.4 | close | + | |
| Beyma 12LW30/N v2015 | 42 -1 | 0.269 -0.01 | 84 -12.2 | 6.1 +1.6 | 96.3 -0.3 | close | + | |
| Beyma SM112 | 45 +2 | 0.262 -0.01 | 101 +4.8 | 4.8 +0.3 | 98.3 +1.7 | close | + | |
| Dayton Audio PA310-8 | 39 -4 | 0.292 +0.02 | 91.8 -4.4 | 5 +0.5 | 96.2 -0.4 | close | + | |
| Beyma 12CXA400Nd | 45 +2 | 0.268 -0.01 | 102.2 +6 | 6 +1.5 | 98 +1.4 | close | + |
Compare the closest 3 against the 12K200 v2 →
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.