JB Systems PWX15-300
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 40.1 Hz |
| Qts | 0.552 |
| Qes | 0.63 |
| Qms | 4.47 |
| Vas | 169.9 L |
| Sd | 855.3 cm² |
| Xmax | 5 mm |
| Re | 5.5 Ω |
| Bl | 14.5 T·m |
| Mms | 95 g |
| Pe | 300 W |
| Sensitivity | 96 dB |
Alignment hint
| EBP | 64 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 265.1 L |
EBP 50-100: works in either a sealed or ported 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 |
|---|---|---|---|---|---|---|---|---|
| Eminence DELTA 15 LF | 41 +0.9 | 0.584 +0.03 | 186.1 +16.2 | 6 +1 | 96 = | close | + | |
| SB Audience BIANCO-15MW200 | 44 +3.9 | 0.586 +0.03 | 153 -16.9 | 5.2 +0.2 | 96 = | close | 200 W vs 300 W: lower power handling | + |
| Fane 15-400LF | 39 -1.1 | 0.577 +0.02 | 210 +40.1 | 5 = | 96.1 +0.1 | close | + | |
| Fane 15-400LF v2016 | 41 +0.9 | 0.573 +0.02 | 210 +40.1 | 5 = | 97.1 +1.1 | close | + | |
| Fane SOVEREIGN 15-400 LF | 41 +0.9 | 0.573 +0.02 | 210 +40.1 | 5 = | 97.1 +1.1 | close | + | |
| P.Audio R15/64W | 41.1 +1 | 0.452 -0.1 | 172.2 +2.3 | 5 = | 96.7 +0.7 | close | + | |
| Peavey 1505 DT vp 1993 bleu | 39.5 -0.6 | 0.485 -0.07 | 144.3 -25.6 | 5.1 +0.1 | 95.6 -0.4 | close | + | |
| Selenium 38GPT12 | 42.2 +2.1 | 0.657 +0.1 | 185.7 +15.8 | 5 = | 95.8 -0.2 | close | 200 W vs 300 W: lower power handling | + |
| P.Audio BM-15W | 39.8 -0.3 | 0.473 -0.08 | 200.1 +30.2 | 5 = | 96.4 +0.4 | close | + | |
| SICA 15 BS 2.5 PL | 44 +3.9 | 0.552 = | 160 -9.9 | 4 -1 | 97.5 +1.5 | close | Xmax 4 mm < 5 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the PWX15-300 →
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.