Beyma 12CXA400Nd v2018
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 45 Hz |
| Qts | 0.251 |
| Qes | 0.26 |
| Qms | 7.1 |
| Vas | 88.5 L |
| Sd | 550 cm² |
| Xmax | 5.5 mm |
| Re | 6.6 Ω |
| Bl | 20.7 T·m |
| Mms | 59.9 g |
| Pe | 400 W |
| Sensitivity | 97.7 dB |
Alignment hint
| EBP | 173 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 12.8 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 |
|---|---|---|---|---|---|---|---|---|
| Faital PRO 12FH500 | 45 = | 0.25 = | 87.3 -1.2 | 7.5 +2 | 97 -0.7 | close | + | |
| 18 Sound 12ND730 | 45 = | 0.23 -0.02 | 90 +1.5 | 6.5 +1 | 98 +0.3 | close | + | |
| Monacor SP-12/500FH | 45 = | 0.251 = | 76.2 -12.3 | 6.4 +0.9 | 98.2 +0.5 | close | + | |
| Faital PRO 12FH510 | 45 = | 0.24 -0.01 | 81.3 -7.2 | 7.5 +2 | 98 +0.3 | close | + | |
| BMS 12N620 | 44.7 -0.3 | 0.25 = | 72.7 -15.8 | 5.5 = | 98 +0.3 | close | + | |
| 18 Sound 12MB650 | 48 +3 | 0.23 -0.02 | 90 +1.5 | 5.5 = | 98 +0.3 | close | + | |
| Fane COLOSSUS 12XB | 43 -2 | 0.243 -0.01 | 78 -10.5 | 6 +0.5 | 97.7 = | close | + | |
| Faital PRO 12FH510 | 45 = | 0.25 = | 75.2 -13.3 | 7.5 +2 | 97 -0.7 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Beyma 12CXA400Nd | 45 = | 0.268 +0.02 | 102.2 +13.7 | 6 +0.5 | 98 +0.3 | close | + | |
| Beyma 12"WR400 | 42 -3 | 0.27 +0.02 | 91 +2.5 | 6.3 +0.8 | 97 -0.7 | close | + |
Compare the closest 3 against the 12CXA400Nd v2018 →
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.