Sica 15 PFS 4
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 39 Hz |
| Qts | 0.34 |
| Qes | 0.37 |
| Qms | 4.87 |
| Vas | 103.9 L |
| Sd | 855.3 cm² |
| Xmax | 8 mm |
| Re | 5.3 Ω |
| Bl | 24.24 T·m |
| Mms | 166.5 g |
| Pe | 1200 W |
| Sensitivity | 95.8 dB |
Alignment hint
| EBP | 105 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 31.2 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 15LEX1600Fe | 38 -1 | 0.33 -0.01 | 106 +2.1 | 13 +5 | 96 +0.2 | close | + | |
| Faital PRO 15HP1030 | 40 +1 | 0.34 = | 95 -8.9 | 12.45 +4.45 | 96 +0.2 | close | + | |
| Celestion FTR15-4080HDX | 40.5 +1.5 | 0.33 -0.01 | 104.3 +0.4 | 7.3 -0.7 | 96.8 +1 | close | Xmax 7.3 mm < 8 mm: lower excursion-limited SPL | + |
| BMS 15N850 | 37 -2 | 0.325 -0.02 | 111 +7.1 | 8.8 +0.8 | 95.7 -0.1 | close | + | |
| BMS 15N850V2 v2015 | 37 -2 | 0.325 -0.02 | 111 +7.1 | 8.8 +0.8 | 95.7 -0.1 | close | + | |
| Faital PRO 15HP1010 | 40 +1 | 0.37 +0.03 | 107.5 +3.6 | 9.75 +1.75 | 96 +0.2 | close | 700 W vs 1200 W: lower power handling | + |
| Sica 15 PNS 4 | 37.3 -1.7 | 0.35 +0.01 | 116.3 +12.4 | 9 +1 | 96 +0.2 | close | + | |
| B&C 15 SW 100 | 37 -2 | 0.318 -0.02 | 110 +6.1 | 9.5 +1.5 | 95.8 = | close | + | |
| B&C 15 TBW 100 | 39 = | 0.307 -0.03 | 96 -7.9 | 8.4 +0.4 | 96.4 +0.6 | close | + | |
| Selenium 15SW1P | 40 +1 | 0.35 +0.01 | 120 +16.1 | 7.9 -0.1 | 96.9 +1.1 | close | 800 W vs 1200 W: lower power handling · Xmax 7.9 mm < 8 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 15 PFS 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.