Sica 12 PNS 4
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 41.7 Hz |
| Qts | 0.31 |
| Qes | 0.32 |
| Qms | 12.63 |
| Vas | 50.2 L |
| Sd | 530.9 cm² |
| Xmax | 9.5 mm |
| Re | 5.2 Ω |
| Bl | 22.3 T·m |
| Mms | 115.9 g |
| Pe | 1000 W |
| Sensitivity | 94.5 dB |
Alignment hint
| EBP | 130 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 11.9 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 12 FG 100 4 Ohms | 34 -7.7 | 0.32 +0.01 | 53 +2.8 | 9.2 -0.3 | 94.3 -0.2 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 9.2 mm < 9.5 mm: lower excursion-limited SPL | + |
| Beyma 12LX60 | 42 +0.3 | 0.3 -0.01 | 66 +15.8 | 9 -0.5 | 93.8 -0.7 | close | 700 W vs 1000 W: lower power handling · Xmax 9 mm < 9.5 mm: lower excursion-limited SPL | + |
| 18 Sound 12NLW9410 | 42 +0.3 | 0.26 -0.05 | 55 +4.8 | 11 +1.5 | 95 +0.5 | close | + | |
| 18 Sound 12LW1400 | 45 +3.3 | 0.3 -0.01 | 55 +4.8 | 8.25 -1.25 | 96 +1.5 | close | Xmax 8.25 mm < 9.5 mm: lower excursion-limited SPL | + |
| Faital PRO 12HP1010 | 45 +3.3 | 0.34 +0.03 | 56.5 +6.3 | 9.25 -0.25 | 96 +1.5 | close | 700 W vs 1000 W: lower power handling · Xmax 9.25 mm < 9.5 mm: lower excursion-limited SPL | + |
| RCF LF12X401 | 45 +3.3 | 0.27 -0.04 | 50 -0.2 | 9 -0.5 | 96.5 +2 | close | Xmax 9 mm < 9.5 mm: lower excursion-limited SPL | + |
| Faital PRO 12RS550 | 42 +0.3 | 0.37 +0.06 | 45.4 -4.8 | 9.25 -0.25 | 93 -1.5 | close | 500 W vs 1000 W: lower power handling · Xmax 9.25 mm < 9.5 mm: lower excursion-limited SPL | + |
| B&C 12BG100 | 39 -2.7 | 0.33 +0.02 | 41 -9.2 | 10.5 +1 | 93 -1.5 | close | + | |
| Sica 12 SR 4 CP | 38 -3.7 | 0.3 -0.01 | 41.7 -8.5 | 9 -0.5 | 92.6 -1.9 | close | Xmax 9 mm < 9.5 mm: lower excursion-limited SPL | + |
| Sica 12 PFS 4 | 39 -2.7 | 0.26 -0.05 | 55.6 +5.4 | 9 -0.5 | 94.8 +0.3 | close | Xmax 9 mm < 9.5 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 12 PNS 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.