B&C 8MDN51
Thiele-Small parameters
| Nominal size | 8" |
|---|---|
| Impedance | 16 Ω |
| Fs | 68 Hz |
| Qts | 0.27 |
| Qes | 0.29 |
| Qms | 5.2 |
| Vas | 17.5 L |
| Sd | 220 cm² |
| Xmax | 6 mm |
| Re | 10 Ω |
| Bl | 17.8 T·m |
| Mms | 22 g |
| Pe | 200 W |
| Sensitivity | 97 dB |
Alignment hint
| EBP | 234 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 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 |
|---|---|---|---|---|---|---|---|---|
| Beyma 8WR300 | 65 -3 | 0.27 = | 15 -2.5 | 6 = | 95 -2 | close | 8 Ω vs 16 Ω: amp load changes | + |
| B&C 8FMB51 | 67 -1 | 0.28 +0.01 | 20.7 +3.2 | 5.5 -0.5 | 96.5 -0.5 | close | 8 Ω vs 16 Ω: amp load changes · Xmax 5.5 mm < 6 mm: lower excursion-limited SPL | + |
| 18 Sound 8NW650 | 63 -5 | 0.25 -0.02 | 17.8 +0.3 | 5.5 -0.5 | 96 -1 | close | 8 Ω vs 16 Ω: amp load changes · Xmax 5.5 mm < 6 mm: lower excursion-limited SPL | + |
| Beyma 8WRS300 | 65 -3 | 0.28 +0.01 | 15 -2.5 | 6 = | 95 -2 | close | 8 Ω vs 16 Ω: amp load changes | + |
| Faital PRO 8PR210 | 65 -3 | 0.29 +0.02 | 15.4 -2.1 | 6.92 +0.92 | 95 -2 | close | 8 Ω vs 16 Ω: amp load changes | + |
| 18 Sound 8NW650 | 62 -6 | 0.25 -0.02 | 18.99 +1.49 | 5.5 -0.5 | 95 -2 | close | Xmax 5.5 mm < 6 mm: lower excursion-limited SPL | + |
| Beyma 8"MC300Nd | 62 -6 | 0.22 -0.05 | 18 +0.5 | 6 = | 96 -1 | close | 8 Ω vs 16 Ω: amp load changes | + |
| B&C 8NW51 | 68 = | 0.22 -0.05 | 14 -3.5 | 7 +1 | 97 = | usable | + | |
| B&C 8MBX51 | 60 -8 | 0.29 +0.02 | 23 +5.5 | 6 = | 96.5 -0.5 | usable | 8 Ω vs 16 Ω: amp load changes | + |
| B&C 8MDN51 | 70 +2 | 0.2 -0.07 | 16 -1.5 | 6 = | 97 = | usable | 8 Ω vs 16 Ω: amp load changes | + |
Compare the closest 3 against the 8MDN51 →
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.