BMS 15N620 v2015
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 41 Hz |
| Qts | 0.348 |
| Qes | 0.37 |
| Qms | 5.9 |
| Vas | 154 L |
| Sd | 880 cm² |
| Xmax | 5.5 mm |
| Re | 5.7 Ω |
| Bl | 20.5 T·m |
| Mms | 106.2 g |
| Pe | 500 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 111 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 49.2 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 |
|---|---|---|---|---|---|---|---|---|
| BMS 15N620 | 41 = | 0.35 = | 154 = | 5.5 = | 98 = | close | + | |
| Beyma 15MC700 | 41 = | 0.352 = | 153 -1 | 7.4 +1.9 | 97.7 -0.3 | close | + | |
| P.Audio P150/2226 | 41 = | 0.366 +0.02 | 154.8 +0.8 | 5.5 = | 98.3 +0.3 | close | + | |
| 18 Sound 15ND830 | 42 +1 | 0.34 -0.01 | 157 +3 | 6.5 +1 | 98 = | close | 4 Ω vs 8 Ω: amp load changes | + |
| BMS 15CN680 | 39 -2 | 0.351 = | 157.8 +3.8 | 5.5 = | 97.4 -0.6 | close | + | |
| BMS 15CN682 | 39 -2 | 0.351 = | 157.8 +3.8 | 5.5 = | 97.4 -0.6 | close | + | |
| Faital PRO 15FH500 vp3 | 40.8 -0.2 | 0.343 = | 141.8 -12.2 | 6.7 +1.2 | 98.2 +0.2 | close | + | |
| Eminence KAPPA 15 LFA vp1 | 40.9 -0.1 | 0.382 +0.03 | 159.1 +5.1 | 5.5 = | 97.8 -0.2 | close | + | |
| Faital PRO 15FH500 vp2 | 40 -1 | 0.335 -0.01 | 146.9 -7.1 | 6.7 +1.2 | 98.3 +0.3 | close | + | |
| Oberton 15CX | 38.2 -2.8 | 0.349 = | 163.8 +9.8 | 6.8 +1.3 | 97.8 -0.2 | close | + |
Compare the closest 3 against the 15N620 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.