BMS 15N850V2 v2015
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 37 Hz |
| Qts | 0.325 |
| Qes | 0.34 |
| Qms | 7.38 |
| Vas | 111 L |
| Sd | 845 cm² |
| Xmax | 8.8 mm |
| Re | 5.6 Ω |
| Bl | 25.3 T·m |
| Mms | 166.9 g |
| Pe | 1200 W |
| Sensitivity | 95.7 dB |
Alignment hint
| EBP | 109 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 29.7 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 15N850 | 37 = | 0.325 = | 111 = | 8.8 = | 95.7 = | close | + | |
| B&C 15 SW 100 | 37 = | 0.318 -0.01 | 110 -1 | 9.5 +0.7 | 95.8 +0.1 | close | + | |
| BMS 15N850vv2 | 37 = | 0.33 +0.01 | 110.96 -0.04 | 12 +3.2 | 95 -0.7 | close | + | |
| B&C 15SW100 | 37 = | 0.31 -0.02 | 110 -1 | 12.5 +3.7 | 95 -0.7 | close | + | |
| Sica 15 PNS 4 | 37.3 +0.3 | 0.35 +0.02 | 116.3 +5.3 | 9 +0.2 | 96 +0.3 | close | + | |
| Beyma 15LEX1600Fe | 38 +1 | 0.33 +0.01 | 106 -5 | 13 +4.2 | 96 +0.3 | close | + | |
| Oberton 15NXB1201 | 38.49 +1.49 | 0.324 = | 111.94 +0.94 | 12 +3.2 | 97 +1.3 | close | + | |
| Dayton Audio PA385S-8 | 37 = | 0.369 +0.04 | 111.5 +0.5 | 8.5 -0.3 | 95 -0.7 | close | Xmax 8.5 mm < 8.8 mm: lower excursion-limited SPL | + |
| Oberton 15XB700 | 37.2 +0.2 | 0.283 -0.04 | 111.02 +0.02 | 9 +0.2 | 94.8 -0.9 | close | + | |
| Sica 15 PFS 4 | 39 +2 | 0.34 +0.02 | 103.9 -7.1 | 8 -0.8 | 95.8 +0.1 | close | Xmax 8 mm < 8.8 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 15N850V2 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.