Faital PRO 4FE42
Thiele-Small parameters
| Nominal size | 4" |
|---|---|
| Impedance | 4 Ω |
| Fs | 110 Hz |
| Qts | 0.38 |
| Qes | 0.4 |
| Qms | 6.6 |
| Vas | 1.8 L |
| Sd | 50.9 cm² |
| Xmax | 2.83 mm |
| Re | 3.5 Ω |
| Mms | 4.3 g |
| Pe | 40 W |
| Sensitivity | 93 dB |
Alignment hint
| EBP | 275 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 0.7 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 |
|---|---|---|---|---|---|---|---|---|
| LaVoce WSN041.00-16 | 106 -4 | 0.36 -0.02 | 1.96 +0.16 | 4.3 +1.47 | 91 -2 | close | 16 Ω vs 4 Ω: amp load changes | + |
| Faital PRO 4FE42 | 110 = | 0.47 +0.09 | 1.9 +0.1 | 2.83 = | 94 +1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| LaVoce WSN041.00 | 104 -6 | 0.3 -0.08 | 1.79 -0.01 | 4 +1.17 | 91.5 -1.5 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| B&C 4NDF34 | 110 = | 0.27 -0.11 | 1.6 -0.2 | 3.8 +0.97 | 92 -1 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Sica 4 E 1 CS | 118 +8 | 0.39 +0.01 | 1.3 -0.5 | 2.2 -0.63 | 90.2 -2.8 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 2.2 mm < 2.83 mm: lower excursion-limited SPL | + |
| Faital PRO 4FE32 | 100 -10 | 0.61 +0.23 | 2.3 +0.5 | 2.73 -0.1 | 91 -2 | usable | 8 Ω vs 4 Ω: amp load changes · 30 W vs 40 W: lower power handling · Xmax 2.73 mm < 2.83 mm: lower excursion-limited SPL | + |
| Eminence ALPHA 4-4 | 120 +10 | 0.63 +0.25 | 1.76 -0.04 | 2.6 -0.23 | 88 -5 | usable | Xmax 2.6 mm < 2.83 mm: lower excursion-limited SPL | + |
| Faital PRO 4FE32 | 100 -10 | 0.53 +0.15 | 2.5 +0.7 | 1.73 -1.1 | 91 -2 | risky | 30 W vs 40 W: lower power handling · Xmax 1.73 mm < 2.83 mm: lower excursion-limited SPL | + |
| Eminence ALPHA 4-8 | 123 +13 | 0.75 +0.37 | 1.94 +0.14 | 2.6 -0.23 | 88 -5 | risky | 8 Ω vs 4 Ω: amp load changes · Xmax 2.6 mm < 2.83 mm: lower excursion-limited SPL | + |
| Sica 4 L 1 SL | 108.3 -1.7 | 0.63 +0.25 | 1.2 -0.6 | 2.4 -0.43 | 86.2 -6.8 | risky | 8 Ω vs 4 Ω: amp load changes · Xmax 2.4 mm < 2.83 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 4FE42 →
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.