Beyma 8"P300Fe/N
Thiele-Small parameters
| Nominal size | 8" |
|---|---|
| Impedance | 8 Ω |
| Fs | 53 Hz |
| Qts | 0.31 |
| Qes | 0.32 |
| Qms | 14.3 |
| Vas | 24.8 L |
| Sd | 220 cm² |
| Xmax | 6 mm |
| Re | 5.2 Ω |
| Mms | 25 g |
| Pe | 300 W |
| Sensitivity | 94 dB |
Alignment hint
| EBP | 166 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 5.9 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 8FG51 | 49 -4 | 0.32 +0.01 | 20 -4.8 | 6.5 +0.5 | 93 -1 | close | + | |
| 18 Sound 8NMB420 | 59 +6 | 0.31 = | 31 +6.2 | 5.8 -0.2 | 95 +1 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 5.8 mm < 6 mm: lower excursion-limited SPL | + |
| B&C 8MBX51 | 60 +7 | 0.29 -0.02 | 23 -1.8 | 6 = | 96.5 +2.5 | close | 200 W vs 300 W: lower power handling | + |
| Faital PRO 8RS250 | 56 +3 | 0.32 +0.01 | 18.3 -6.5 | 6.92 +0.92 | 93 -1 | close | 200 W vs 300 W: lower power handling | + |
| Sica 8 S 2.5 CP | 54 +1 | 0.33 +0.02 | 18.6 -6.2 | 5 -1 | 93 -1 | usable | Xmax 5 mm < 6 mm: lower excursion-limited SPL | + |
| Faital PRO 8RS350 | 42 -11 | 0.3 -0.01 | 23.7 -1.1 | 7.37 +1.37 | 90 -4 | usable | + | |
| 18 Sound 8MB400 | 64 +11 | 0.38 +0.07 | 23.9 -0.9 | 5.8 -0.2 | 95 +1 | usable | Xmax 5.8 mm < 6 mm: lower excursion-limited SPL | + |
| Faital PRO 8RS340 | 42 -11 | 0.34 +0.03 | 25.5 +0.7 | 7.33 +1.33 | 91 -3 | usable | + | |
| B&C 8FG64 | 51 -2 | 0.31 = | 15 -9.8 | 7 +1 | 92 -2 | usable | + | |
| 18 Sound 8NMB420 | 61 +8 | 0.28 -0.03 | 33 +8.2 | 5.8 -0.2 | 95 +1 | usable | Xmax 5.8 mm < 6 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 8"P300Fe/N →
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.