BMS 12S302
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 45 Hz |
| Qts | 0.253 |
| Qes | 0.267 |
| Qms | 5 |
| Vas | 65 L |
| Sd | 531 cm² |
| Xmax | 4.5 mm |
| Re | 3 Ω |
| Bl | 15.65 T·m |
| Mms | 77 g |
| Pe | 500 W |
| Sensitivity | 96 dB |
Alignment hint
| EBP | 169 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 9.5 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 |
|---|---|---|---|---|---|---|---|---|
| BMS 12CN682 | 46 +1 | 0.258 +0.01 | 58 -7 | 5.5 +1 | 96.7 +0.7 | close | + | |
| BMS 12N802 | 43 -2 | 0.24 -0.01 | 65 = | 4.5 = | 98 +2 | close | + | |
| BMS 12CN680 | 46 +1 | 0.26 +0.01 | 58 -7 | 5.5 +1 | 95 -1 | close | 80 W vs 500 W: lower power handling | + |
| LaVoce NBASS12-30 | 46 +1 | 0.26 +0.01 | 68.63 +3.63 | 6.6 +2.1 | 97.5 +1.5 | close | + | |
| BMS 12N620 | 44.7 -0.3 | 0.25 = | 72.7 +7.7 | 5.5 +1 | 98 +2 | close | + | |
| Oberton 12B401 | 46.63 +1.63 | 0.245 -0.01 | 69.6 +4.6 | 6.75 +2.25 | 97 +1 | close | + | |
| PHL Audio 4071-1 | 47 +2 | 0.245 -0.01 | 57.8 -7.2 | 4.7 +0.2 | 97.2 +1.2 | close | + | |
| Faital PRO 12FH510 | 45 = | 0.25 = | 75.2 +10.2 | 7.5 +3 | 97 +1 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Monacor SP-12/500FH | 45 = | 0.251 = | 76.2 +11.2 | 6.4 +1.9 | 98.2 +2.2 | close | + | |
| Faital PRO 12FH520 | 50 +5 | 0.27 +0.02 | 65.5 +0.5 | 7 +2.5 | 97 +1 | close | 4 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the 12S302 →
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.