Faital PRO 12FH520-4
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 50 Hz |
| Qts | 0.268 |
| Qes | 0.28 |
| Qms | 6.32 |
| Vas | 57 L |
| Sd | 500 cm² |
| Xmax | 5.8 mm |
| Re | 3.3 Ω |
| Bl | 15.2 T·m |
| Mms | 62.3 g |
| Pe | 600 W |
| Sensitivity | 99.9 dB |
Alignment hint
| EBP | 179 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 9.6 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 |
|---|---|---|---|---|---|---|---|---|
| Beyma 12MCB700 | 51 +1 | 0.27 = | 59.5 +2.5 | 7 +1.2 | 98 -1.9 | close | 8 Ω vs 4 Ω: amp load changes | + |
| B&C 12NDL76 | 50 = | 0.27 = | 69 +12 | 7 +1.2 | 100 +0.1 | close | 16 Ω vs 4 Ω: amp load changes · 400 W vs 600 W: lower power handling | + |
| B&C 12 NDL 88 | 51 +1 | 0.274 +0.01 | 52 -5 | 5.7 -0.1 | 97.8 -2.1 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 5.7 mm < 5.8 mm: lower excursion-limited SPL | + |
| Beyma 12MC700Nd | 51 +1 | 0.24 -0.03 | 58 +1 | 7 +1.2 | 99 -0.9 | close | 8 Ω vs 4 Ω: amp load changes | + |
| B&C 12NDL88 | 51 +1 | 0.27 = | 52 -5 | 8 +2.2 | 98 -1.9 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Oberton 12MB35 | 51.43 +1.43 | 0.267 = | 50.07 -6.93 | 6.75 +0.95 | 98 -1.9 | close | 8 Ω vs 4 Ω: amp load changes | + |
| B&C 12FL76 | 50 = | 0.3 +0.03 | 57 = | 6 +0.2 | 97.5 -2.4 | close | 8 Ω vs 4 Ω: amp load changes · 400 W vs 600 W: lower power handling | + |
| B&C 12CLA76 | 52 +2 | 0.25 -0.02 | 56 -1 | 5.3 -0.5 | 98.5 -1.4 | close | 8 Ω vs 4 Ω: amp load changes · 350 W vs 600 W: lower power handling · Xmax 5.3 mm < 5.8 mm: lower excursion-limited SPL | + |
| 18 Sound 12W750 | 55 +5 | 0.27 = | 58 +1 | 7 +1.2 | 97 -2.9 | close | + | |
| Faital PRO 12FH520 | 50 = | 0.27 = | 65.5 +8.5 | 7 +1.2 | 97 -2.9 | close | + |
Compare the closest 3 against the 12FH520-4 →
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.