Beyma 12KX
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 45 Hz |
| Qts | 0.367 |
| Qes | 0.38 |
| Qms | 10.4 |
| Vas | 70 L |
| Sd | 550 cm² |
| Xmax | 3.5 mm |
| Re | 5.5 Ω |
| Bl | 17.6 T·m |
| Mms | 75.8 g |
| Pe | 300 W |
| Sensitivity | 95.9 dB |
Alignment hint
| EBP | 118 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 25.8 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 |
|---|---|---|---|---|---|---|---|---|
| SICA 12 E 2 CS Z007660 | 47.5 +2.5 | 0.364 = | 76.9 +6.9 | 4 +0.5 | 95.8 -0.1 | close | 200 W vs 300 W: lower power handling | + |
| SICA 12 E 2 CS | 48 +3 | 0.364 = | 76.9 +6.9 | 4 +0.5 | 95.9 = | close | 200 W vs 300 W: lower power handling | + |
| PHL Audio 4531 v2023 | 46 +1 | 0.399 +0.03 | 71.9 +1.9 | 5.6 +2.1 | 95.9 = | close | + | |
| P.Audio WN-12R | 50.3 +5.3 | 0.37 = | 68.7 -1.3 | 4.5 +1 | 97.2 +1.3 | close | + | |
| Faital PRO 12FH500 | 48 +3 | 0.37 = | 77.4 +7.4 | 7.25 +3.75 | 96 +0.1 | close | 16 Ω vs 8 Ω: amp load changes | + |
| Sica 12 L1 2.5 SL | 47.5 +2.5 | 0.36 -0.01 | 81.8 +11.8 | 3.7 +0.2 | 97.3 +1.4 | close | + | |
| Sica 12 PF 3 | 47 +2 | 0.39 +0.02 | 76.5 +6.5 | 5.5 +2 | 96.4 +0.5 | close | + | |
| SICA 12 S 3 CP | 44 -1 | 0.405 +0.04 | 67.5 -2.5 | 6 +2.5 | 95 -0.9 | close | + | |
| SICA PL 12 B 3 S | 46.7 +1.7 | 0.356 -0.01 | 79.3 +9.3 | 5.5 +2 | 97.1 +1.2 | close | + | |
| B&C 12 PS 32 | 44 -1 | 0.348 -0.02 | 82 +12 | 6 +2.5 | 95.8 -0.1 | close | + |
Compare the closest 3 against the 12KX →
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.