BMS 15N620-8
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 40 Hz |
| Qts | 0.313 |
| Qes | 0.33 |
| Qms | 6.1 |
| Vas | 144.8 L |
| Sd | 870 cm² |
| Xmax | 5.5 mm |
| Re | 5.9 Ω |
| Bl | 22.8 T·m |
| Mms | 116 g |
| Pe | 500 W |
| Sensitivity | 97.8 dB |
Alignment hint
| EBP | 121 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 35.3 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 |
|---|---|---|---|---|---|---|---|---|
| SB Audience BIANCO-15MW500 | 39 -1 | 0.307 -0.01 | 139.4 -5.4 | 5.9 +0.4 | 97.7 -0.1 | close | + | |
| Faital PRO 15FH500 vp1 | 40 = | 0.328 +0.02 | 146.1 +1.3 | 6.7 +1.2 | 98.4 +0.6 | close | + | |
| BMS 15N620-4 | 39.8 -0.2 | 0.313 = | 144.8 = | 5.5 = | 100.8 +3 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Faital PRO 15FH500 vp2 | 40 = | 0.335 +0.02 | 146.9 +2.1 | 6.7 +1.2 | 98.3 +0.5 | close | + | |
| BMS 15S330 | 39 -1 | 0.32 +0.01 | 152 +7.2 | 8 +2.5 | 98 +0.2 | close | + | |
| Beyma SM115/K vp3 | 39 -1 | 0.333 +0.02 | 147.5 +2.7 | 6.3 +0.8 | 96.9 -0.9 | close | + | |
| Radian 2215 B-8 | 41.8 +1.8 | 0.321 +0.01 | 135.5 -9.3 | 6 +0.5 | 97 -0.8 | close | + | |
| Faital PRO 15FX560 v2015 | 38 -2 | 0.296 -0.02 | 143 -1.8 | 7.5 +2 | 97.9 +0.1 | close | + | |
| Faital PRO 15FH500 vp3 | 40.8 +0.8 | 0.343 +0.03 | 141.8 -3 | 6.7 +1.2 | 98.2 +0.4 | close | + | |
| BMS 15N620 v2015 | 41 +1 | 0.348 +0.03 | 154 +9.2 | 5.5 = | 98 +0.2 | close | + |
Compare the closest 3 against the 15N620-8 →
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.