P.Audio SD-15
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 44.9 Hz |
| Qts | 0.393 |
| Qes | 0.41 |
| Qms | 9.72 |
| Vas | 89.4 L |
| Sd | 855 cm² |
| Xmax | 5 mm |
| Re | 5.4 Ω |
| Bl | 23.1 T·m |
| Mms | 144 g |
| Pe | 600 W |
| Sensitivity | 96.6 dB |
Alignment hint
| EBP | 110 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 40 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 15P1000FE | 45 +0.1 | 0.368 -0.03 | 85.9 -3.5 | 6.9 +1.9 | 97.1 +0.5 | close | + | |
| Beyma 15SW1300ND | 44 -0.9 | 0.361 -0.03 | 89.6 +0.2 | 7.8 +2.8 | 97 +0.4 | close | + | |
| JBL 2267H | 41 -3.9 | 0.418 +0.02 | 89 -0.4 | 5.8 +0.8 | 95.6 -1 | close | + | |
| Beyma 15P1000Nd | 45 +0.1 | 0.347 -0.05 | 88 -1.4 | 6.7 +1.7 | 97.4 +0.8 | close | + | |
| P.Audio E15-LF | 50 +5.1 | 0.42 +0.03 | 92.17 +2.77 | 6 +1 | 95.9 -0.7 | close | + | |
| 18 Sound 15TLW3000 | 44 -0.9 | 0.39 = | 80 -9.4 | 9 +4 | 95 -1.6 | close | 4 Ω vs 8 Ω: amp load changes | + |
| RCF L 15P540 | 50 +5.1 | 0.393 = | 100 +10.6 | 5.2 +0.2 | 98.4 +1.8 | close | + | |
| Dayton Audio PN395-8 | 44.1 -0.8 | 0.346 -0.05 | 96.8 +7.4 | 6.1 +1.1 | 97.2 +0.6 | close | + | |
| Beyma 15LEX1600/Nd | 41 -3.9 | 0.359 -0.03 | 91 +1.6 | 8.9 +3.9 | 95.8 -0.8 | close | + | |
| PRV Audio 15W1600 | 50.5 +5.6 | 0.358 -0.04 | 87.9 -1.5 | 5.6 +0.6 | 98.5 +1.9 | close | + |
Compare the closest 3 against the SD-15 →
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.