BMS 8N519
Thiele-Small parameters
| Nominal size | 8" |
|---|---|
| Impedance | 8 Ω |
| Fs | 74.9 Hz |
| Qts | 0.37 |
| Qes | 0.41 |
| Qms | 4.2 |
| Vas | 10.9 L |
| Sd | 222 cm² |
| Xmax | 6.3 mm |
| Re | 5.8 Ω |
| Bl | 13.8 T·m |
| Mms | 28.5 g |
| Pe | 250 W |
| Sensitivity | 94 dB |
Alignment hint
| EBP | 183 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 4.1 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 |
|---|---|---|---|---|---|---|---|---|
| LaVoce WAF082.00 | 78 +3.1 | 0.37 = | 11.92 +1.02 | 6.3 = | 95 +1 | close | + | |
| BMS 8S219 | 82 +7.1 | 0.41 +0.04 | 9.7 -1.2 | 6.3 = | 94 = | close | + | |
| B&C 8CL51 | 69 -5.9 | 0.41 +0.04 | 12.5 +1.6 | 6.5 +0.2 | 94 = | close | + | |
| B&C 8NDL51 | 66 -8.9 | 0.37 = | 14 +3.1 | 7 +0.7 | 94 = | close | + | |
| Faital PRO 8PR320 | 65 -9.9 | 0.41 +0.04 | 13.1 +2.2 | 7.33 +1.03 | 95 +1 | usable | + | |
| B&C 8PS21 | 73 -1.9 | 0.33 -0.04 | 14 +3.1 | 5 -1.3 | 94 = | usable | Xmax 5 mm < 6.3 mm: lower excursion-limited SPL | + |
| Beyma 8"G40 | 70 -4.9 | 0.36 -0.01 | 17 +6.1 | 6.5 +0.2 | 95 +1 | usable | + | |
| Faital PRO 8FE300 | 70 -4.9 | 0.41 +0.04 | 14 +3.1 | 5.47 -0.83 | 93 -1 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 5.47 mm < 6.3 mm: lower excursion-limited SPL | + |
| B&C 8NDL51 | 70 -4.9 | 0.47 +0.1 | 13.4 +2.5 | 7 +0.7 | 94 = | usable | 16 Ω vs 8 Ω: amp load changes | + |
| 18 Sound 8MB500 | 73 -1.9 | 0.36 -0.01 | 18.4 +7.5 | 6 -0.3 | 95 +1 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 6 mm < 6.3 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 8N519 →
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.