Faital PRO 12FH520
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 50 Hz |
| Qts | 0.27 |
| Qes | 0.28 |
| Qms | 6.32 |
| Vas | 65.5 L |
| Sd | 540 cm² |
| Xmax | 7 mm |
| Re | 3.3 Ω |
| Mms | 63 g |
| Pe | 600 W |
| Sensitivity | 97 dB |
Alignment hint
| EBP | 179 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 11.2 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 -6 | 7 = | 98 +1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| 18 Sound 12W750 | 49 -1 | 0.28 +0.01 | 73 +7.5 | 8 +1 | 97 = | close | 8 Ω vs 4 Ω: amp load changes | + |
| B&C 12NDL76 | 50 = | 0.27 = | 69 +3.5 | 7 = | 100 +3 | close | 16 Ω vs 4 Ω: amp load changes · 400 W vs 600 W: lower power handling | + |
| 18 Sound 12W750 | 55 +5 | 0.27 = | 58 -7.5 | 7 = | 97 = | close | + | |
| LaVoce NBASS12-30 | 46 -4 | 0.26 -0.01 | 68.63 +3.13 | 6.6 -0.4 | 97.5 +0.5 | close | 8 Ω vs 4 Ω: amp load changes · 400 W vs 600 W: lower power handling · Xmax 6.6 mm < 7 mm: lower excursion-limited SPL | + |
| Faital PRO 12FH520 | 50 = | 0.29 +0.02 | 73.7 +8.2 | 7.25 +0.25 | 98 +1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| Oberton 12B401 | 46.63 -3.37 | 0.245 -0.03 | 69.6 +4.1 | 6.75 -0.25 | 97 = | close | 8 Ω vs 4 Ω: amp load changes · 400 W vs 600 W: lower power handling · Xmax 6.75 mm < 7 mm: lower excursion-limited SPL | + |
| B&C 12NDL88 | 51 +1 | 0.27 = | 52 -13.5 | 8 +1 | 98 +1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| LaVoce WSN122.50-4 | 49 -1 | 0.29 +0.02 | 64.43 -1.07 | 5.3 -1.7 | 97 = | close | 250 W vs 600 W: lower power handling · Xmax 5.3 mm < 7 mm: lower excursion-limited SPL | + |
| RCF LF12P903 | 47 -3 | 0.23 -0.04 | 65 -0.5 | 7 = | 97.8 +0.8 | close | 8 Ω vs 4 Ω: amp load changes | + |
Compare the closest 3 against the 12FH520 →
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.