LaVoce FSF122.02
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 57 Hz |
| Qts | 0.374 |
| Qes | 0.4 |
| Qms | 5.67 |
| Vas | 69.5 L |
| Sd | 499 cm² |
| Xmax | 3 mm |
| Re | 5.85 Ω |
| Bl | 14.3 T·m |
| Mms | 39.2 g |
| Pe | 150 W |
| Sensitivity | 98.4 dB |
Alignment hint
| EBP | 143 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 27 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 |
|---|---|---|---|---|---|---|---|---|
| Faital PRO 12PR300-8 | 54 -3 | 0.382 +0.01 | 73.5 +4 | 4.9 +1.9 | 98.2 -0.2 | close | + | |
| Beyma SM112 vp | 57.8 +0.8 | 0.391 +0.02 | 64.6 -4.9 | 4.2 +1.2 | 97.7 -0.7 | close | + | |
| RCF L 12/568H | 58 +1 | 0.409 +0.03 | 72 +2.5 | 4 +1 | 98.1 -0.3 | close | + | |
| LaVoce WSN122.50 | 53 -4 | 0.36 -0.01 | 69.44 -0.06 | 4.7 +1.7 | 97.5 -0.9 | close | + | |
| Fertin Acoustics LB 31 SONO | 59.5 +2.5 | 0.407 +0.03 | 70 +0.5 | 4 +1 | 97.5 -0.9 | close | + | |
| SICA 12 N 2.5 PL | 55.3 -1.7 | 0.395 +0.02 | 79.7 +10.2 | 3.5 +0.5 | 98.8 +0.4 | close | + | |
| P.Audio WN-12R | 50.3 -6.7 | 0.37 = | 68.7 -0.8 | 4.5 +1.5 | 97.2 -1.2 | close | + | |
| Monacor SP-312CX | 55 -2 | 0.328 -0.05 | 64 -5.5 | 3 = | 98.2 -0.2 | close | + | |
| RCF L12/568H | 58.8 +1.8 | 0.41 +0.04 | 72 +2.5 | 4 +1 | 97.1 -1.3 | close | 100 W vs 150 W: lower power handling | + |
| Faital PRO 12PR310 | 54 -3 | 0.4 +0.03 | 73.5 +4 | 4.92 +1.92 | 99 +0.6 | close | + |
Compare the closest 3 against the FSF122.02 →
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.