B&C 8NDL51
Thiele-Small parameters
| Nominal size | 8" |
|---|---|
| Impedance | 16 Ω |
| Fs | 70 Hz |
| Qts | 0.47 |
| Qes | 0.51 |
| Qms | 5.88 |
| Vas | 13.4 L |
| Sd | 220 cm² |
| Xmax | 7 mm |
| Re | 10.6 Ω |
| Bl | 15.2 T·m |
| Mms | 26 g |
| Pe | 200 W |
| Sensitivity | 94 dB |
Alignment hint
| EBP | 137 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 10.6 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 |
|---|---|---|---|---|---|---|---|---|
| B&C 8CL51 | 69 -1 | 0.41 -0.06 | 12.5 -0.9 | 6.5 -0.5 | 94 = | close | 8 Ω vs 16 Ω: amp load changes · Xmax 6.5 mm < 7 mm: lower excursion-limited SPL | + |
| Faital PRO 8PR320 | 65 -5 | 0.41 -0.06 | 13.1 -0.3 | 7.33 +0.33 | 95 +1 | close | 8 Ω vs 16 Ω: amp load changes | + |
| Faital PRO 8PR200 | 60 -10 | 0.46 -0.01 | 16.1 +2.7 | 8.65 +1.65 | 94 = | close | + | |
| B&C 8NDL51 | 66 -4 | 0.37 -0.1 | 14 +0.6 | 7 = | 94 = | close | 8 Ω vs 16 Ω: amp load changes | + |
| Beyma 8CM V2 | 75 +5 | 0.52 +0.05 | 14.6 +1.2 | 5.7 -1.3 | 94 = | close | 8 Ω vs 16 Ω: amp load changes · Xmax 5.7 mm < 7 mm: lower excursion-limited SPL | + |
| Faital PRO 8FE300 | 70 = | 0.41 -0.06 | 14 +0.6 | 5.47 -1.53 | 93 -1 | close | 4 Ω vs 16 Ω: amp load changes · Xmax 5.47 mm < 7 mm: lower excursion-limited SPL | + |
| Faital PRO 8FE300 | 70 = | 0.44 -0.03 | 15.7 +2.3 | 5.52 -1.48 | 95 +1 | close | 8 Ω vs 16 Ω: amp load changes · Xmax 5.52 mm < 7 mm: lower excursion-limited SPL | + |
| Faital PRO 8PR150 | 75 +5 | 0.48 +0.01 | 16.2 +2.8 | 5 -2 | 94 = | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 5 mm < 7 mm: lower excursion-limited SPL | + |
| B&C 8NDL51 | 75 +5 | 0.57 +0.1 | 10.1 -3.3 | 7 = | 94 = | usable | 4 Ω vs 16 Ω: amp load changes | + |
| BMS 8N519 | 74.9 +4.9 | 0.37 -0.1 | 10.9 -2.5 | 6.3 -0.7 | 94 = | usable | 8 Ω vs 16 Ω: amp load changes · Xmax 6.3 mm < 7 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 8NDL51 →
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.