Selenium WPU1509
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 36 Hz |
| Qts | 0.35 |
| Qes | 0.35 |
| Qms | 18.34 |
| Vas | 164 L |
| Sd | 814 cm² |
| Xmax | 3.8 mm |
| Re | 6.2 Ω |
| Bl | 21.1 T·m |
| Mms | 113.5 g |
| Pe | 450 W |
| Sensitivity | 95.2 dB |
Alignment hint
| EBP | 103 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 53.2 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 |
|---|---|---|---|---|---|---|---|---|
| Selenium WPU1505 | 36 = | 0.389 +0.04 | 163 -1 | 4.3 +0.5 | 95.5 +0.3 | close | + | |
| Peavey 15 | 33.9 -2.1 | 0.352 = | 155.1 -8.9 | 5.8 +2 | 95.3 +0.1 | close | 300 W vs 450 W: lower power handling | + |
| Monacor SP-38A/500BS | 37 +1 | 0.35 = | 168 +4 | 6 +2.2 | 96.7 +1.5 | close | + | |
| Conrad CPA15-300 | 36.9 +0.9 | 0.357 +0.01 | 161.6 -2.4 | 5.7 +1.9 | 97.1 +1.9 | close | 300 W vs 450 W: lower power handling | + |
| Volt RV3863 v2014 | 35 -1 | 0.343 -0.01 | 150 -14 | 6.7 +2.9 | 95.8 +0.6 | close | + | |
| PHL Audio 5021 | 33.7 -2.3 | 0.345 -0.01 | 147 -17 | 6.6 +2.8 | 95.3 +0.1 | close | + | |
| Alpine 6015CX | 36 = | 0.33 -0.02 | 164.2 +0.2 | 4.1 +0.3 | 99.2 +4 | close | 4 Ω vs 8 Ω: amp load changes · 200 W vs 450 W: lower power handling | + |
| Oberton 15CX | 38.2 +2.2 | 0.349 = | 163.8 -0.2 | 6.8 +3 | 97.8 +2.6 | close | + | |
| BMS 15CN680 | 39 +3 | 0.351 = | 157.8 -6.2 | 5.5 +1.7 | 97.4 +2.2 | close | + | |
| BMS 15CN682 | 39 +3 | 0.351 = | 157.8 -6.2 | 5.5 +1.7 | 97.4 +2.2 | close | + |
Compare the closest 3 against the WPU1509 →
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.