Beyma 12LW30/N v2015
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 42 Hz |
| Qts | 0.269 |
| Qes | 0.29 |
| Qms | 3.8 |
| Vas | 84 L |
| Sd | 540 cm² |
| Xmax | 6.1 mm |
| Re | 6.3 Ω |
| Bl | 20 T·m |
| Mms | 69.9 g |
| Pe | 450 W |
| Sensitivity | 96.3 dB |
Alignment hint
| EBP | 145 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 14.2 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 = | 0.27 = | 91 +7 | 6.3 +0.2 | 97 +0.7 | close | + | |
| Beyma 12WR400 | 42 = | 0.285 +0.02 | 91.1 +7.1 | 6.3 +0.2 | 96.9 +0.6 | close | + | |
| Beyma 12WRS400 | 42 = | 0.29 +0.02 | 91 +7 | 6.3 +0.2 | 97 +0.7 | close | + | |
| Beyma 12G40 | 44 +2 | 0.292 +0.02 | 81 -3 | 6 -0.1 | 96.8 +0.5 | close | Xmax 6 mm < 6.1 mm: lower excursion-limited SPL | + |
| Faital PRO 12FH500 | 45 +3 | 0.25 -0.02 | 87.3 +3.3 | 7.5 +1.4 | 97 +0.7 | close | + | |
| Beyma 12"G40 | 44 +2 | 0.3 +0.03 | 81 -3 | 7 +0.9 | 97 +0.7 | close | + | |
| RCF L 12P300 | 40 -2 | 0.242 -0.03 | 81 -3 | 7.8 +1.7 | 96.7 +0.4 | close | + | |
| BMS 12N803 | 41 -1 | 0.24 -0.03 | 77 -7 | 6 -0.1 | 97 +0.7 | close | Xmax 6 mm < 6.1 mm: lower excursion-limited SPL | + |
| Fane COLOSSUS 12XB | 43 +1 | 0.243 -0.03 | 78 -6 | 6 -0.1 | 97.7 +1.4 | close | Xmax 6 mm < 6.1 mm: lower excursion-limited SPL | + |
| Faital PRO 12FH510 | 45 +3 | 0.25 -0.02 | 75.2 -8.8 | 7.5 +1.4 | 97 +0.7 | close | 4 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the 12LW30/N v2015 →
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.