Faital PRO 8RS250
Thiele-Small parameters
| Nominal size | 8" |
|---|---|
| Impedance | 8 Ω |
| Fs | 56 Hz |
| Qts | 0.32 |
| Qes | 0.34 |
| Qms | 5.7 |
| Vas | 18.3 L |
| Sd | 223 cm² |
| Xmax | 6.92 mm |
| Re | 5.7 Ω |
| Mms | 30.6 g |
| Pe | 200 W |
| Sensitivity | 93 dB |
Alignment hint
| EBP | 165 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 4.7 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 -7 | 0.32 = | 20 +1.7 | 6.5 -0.42 | 93 = | close | Xmax 6.5 mm < 6.92 mm: lower excursion-limited SPL | + |
| Sica 8 S 2.5 CP | 54 -2 | 0.33 +0.01 | 18.6 +0.3 | 5 -1.92 | 93 = | close | Xmax 5 mm < 6.92 mm: lower excursion-limited SPL | + |
| B&C 8FG64 | 53 -3 | 0.35 +0.03 | 16.9 -1.4 | 7.5 +0.58 | 92 -1 | close | 16 Ω vs 8 Ω: amp load changes | + |
| B&C 8FG64 | 51 -5 | 0.31 -0.01 | 15 -3.3 | 7 +0.08 | 92 -1 | close | + | |
| Oberton 8MB201 | 67.7 +11.7 | 0.314 -0.01 | 14.74 -3.56 | 7 +0.08 | 93 = | close | + | |
| Faital PRO 8PR200 | 58 +2 | 0.37 +0.05 | 16.9 -1.4 | 8.15 +1.23 | 95 +2 | close | + | |
| Faital PRO 8PR210 | 65 +9 | 0.34 +0.02 | 15.7 -2.6 | 7.17 +0.25 | 94 +1 | close | 16 Ω vs 8 Ω: amp load changes | + |
| B&C 8BG51 | 52 -4 | 0.4 +0.08 | 18 -0.3 | 6.5 -0.42 | 92 -1 | usable | Xmax 6.5 mm < 6.92 mm: lower excursion-limited SPL | + |
| Beyma 8"P300Fe/N | 53 -3 | 0.31 -0.01 | 24.8 +6.5 | 6 -0.92 | 94 +1 | usable | Xmax 6 mm < 6.92 mm: lower excursion-limited SPL | + |
| Faital PRO 8PR210 | 65 +9 | 0.29 -0.03 | 15.4 -2.9 | 6.92 = | 95 +2 | usable | + |
Compare the closest 3 against the 8RS250 →
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.