BMS 15S320
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 41 Hz |
| Qts | 0.28 |
| Qes | 0.29 |
| Qms | 5 |
| Vas | 154 L |
| Sd | 880 cm² |
| Xmax | 4.5 mm |
| Re | 5.7 Ω |
| Bl | 23.3 T·m |
| Mms | 109 g |
| Pe | 500 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 141 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 28.6 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 |
|---|---|---|---|---|---|---|---|---|
| PHL Audio 5321M | 40 -1 | 0.277 = | 153.3 -0.7 | 5.5 +1 | 98.7 +0.7 | close | + | |
| BMS 15C362 | 40.7 -0.3 | 0.28 = | 137.7 -16.3 | 4.5 = | 98.2 +0.2 | close | + | |
| PHL Audio 5321 Nd | 41 = | 0.272 -0.01 | 150 -4 | 5.2 +0.7 | 98.9 +0.9 | close | + | |
| B&C 15NDL88 | 41 = | 0.28 = | 154 = | 8 +3.5 | 99 +1 | close | 4 Ω vs 8 Ω: amp load changes | + |
| McCauley 6244 | 40 -1 | 0.272 -0.01 | 144.4 -9.6 | 4.6 +0.1 | 98.4 +0.4 | close | + | |
| Faital PRO 15HX500 | 40 -1 | 0.275 -0.01 | 150.1 -3.9 | 5.1 +0.6 | 99.2 +1.2 | close | + | |
| Fane FC-154F01 | 41 = | 0.287 +0.01 | 151 -3 | 6.5 +2 | 99.1 +1.1 | close | + | |
| BMS 15N820 | 39.2 -1.8 | 0.26 -0.02 | 159 +5 | 4.5 = | 98 = | close | + | |
| JBL 2225H | 40 -1 | 0.276 = | 169.9 +15.9 | 5 +0.5 | 98.5 +0.5 | close | + | |
| Radian 2216 v2012 | 39 -2 | 0.288 +0.01 | 140 -14 | 4.8 +0.3 | 98 = | close | + |
Compare the closest 3 against the 15S320 →
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.