Beyma 8NMFW
Thiele-Small parameters
| Nominal size | 8" |
|---|---|
| Impedance | 8 Ω |
| Fs | 37 Hz |
| Qts | 0.34 |
| Qes | 0.36 |
| Qms | 7.6 |
| Vas | 27 L |
| Sd | 227 cm² |
| Xmax | 9 mm |
| Re | 5.7 Ω |
| Bl | 13.4 T·m |
| Mms | 48 g |
| Pe | 200 W |
| Sensitivity | 90 dB |
Alignment hint
| EBP | 103 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 8.1 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 |
|---|---|---|---|---|---|---|---|---|
| Faital PRO 8RS340 | 42 +5 | 0.34 = | 25.5 -1.5 | 7.33 -1.67 | 91 +1 | close | Xmax 7.33 mm < 9 mm: lower excursion-limited SPL | + |
| Faital PRO 8RS350 | 42 +5 | 0.3 -0.04 | 23.7 -3.3 | 7.37 -1.63 | 90 = | usable | Xmax 7.37 mm < 9 mm: lower excursion-limited SPL | + |
| Sica 8 H 2 CP | 39.1 +2.1 | 0.43 +0.09 | 35.9 +8.9 | 6.5 -2.5 | 89.7 -0.3 | usable | Xmax 6.5 mm < 9 mm: lower excursion-limited SPL | + |
| 18 Sound 8NTLS2000 | 42 +5 | 0.24 -0.1 | 28 +1 | 7.4 -1.6 | 93 +3 | usable | 16 Ω vs 8 Ω: amp load changes · Xmax 7.4 mm < 9 mm: lower excursion-limited SPL | + |
| B&C 8FG51 | 49 +12 | 0.32 -0.02 | 20 -7 | 6.5 -2.5 | 93 +3 | usable | Xmax 6.5 mm < 9 mm: lower excursion-limited SPL | + |
| 18 Sound 8NTLS2000 | 43 +6 | 0.24 -0.1 | 30 +3 | 7.4 -1.6 | 93.5 +3.5 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 7.4 mm < 9 mm: lower excursion-limited SPL | + |
| Beyma 8"P300Fe/N | 53 +16 | 0.31 -0.03 | 24.8 -2.2 | 6 -3 | 94 +4 | usable | Xmax 6 mm < 9 mm: lower excursion-limited SPL | + |
| B&C 8FG64 | 53 +16 | 0.35 +0.01 | 16.9 -10.1 | 7.5 -1.5 | 92 +2 | usable | 16 Ω vs 8 Ω: amp load changes · Xmax 7.5 mm < 9 mm: lower excursion-limited SPL | + |
| 18 Sound 8NTLS2000 | 41 +4 | 0.19 -0.15 | 27 = | 7.4 -1.6 | 93.5 +3.5 | usable | Xmax 7.4 mm < 9 mm: lower excursion-limited SPL | + |
| Faital PRO 8RS250 | 56 +19 | 0.32 -0.02 | 18.3 -8.7 | 6.92 -2.08 | 93 +3 | usable | Xmax 6.92 mm < 9 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 8NMFW →
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.