Peavey SP-15825
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 50.1 Hz |
| Qts | 0.326 |
| Qes | 0.345 |
| Qms | 6.05 |
| Vas | 132.4 L |
| Sd | 840 cm² |
| Xmax | 3.1 mm |
| Re | 5.54 Ω |
| Bl | 19.5 T·m |
| Mms | 75.4 g |
| Pe | 200 W |
| Sensitivity | 100.4 dB |
Alignment hint
| EBP | 145 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 35.7 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 |
|---|---|---|---|---|---|---|---|---|
| Focal 15PR75-275 | 52.2 +2.1 | 0.32 -0.01 | 127.9 -4.5 | 3.8 +0.7 | 100.6 +0.2 | close | + | |
| Oberton 15LX400 | 48.8 -1.3 | 0.337 +0.01 | 140 +7.6 | 5.2 +2.1 | 100.2 -0.2 | close | + | |
| Ciare PW380ND | 48.8 -1.3 | 0.34 +0.01 | 122 -10.4 | 3.5 +0.4 | 99.4 -1 | close | + | |
| B&C 15 PK 40 | 47 -3.1 | 0.31 -0.02 | 140 +7.6 | 4 +0.9 | 100.4 = | close | + | |
| Electro-Voice DL15X | 47.3 -2.8 | 0.337 +0.01 | 136 +3.6 | 4.1 +1 | 99.1 -1.3 | close | + | |
| RCF L 15P100AC | 53 +2.9 | 0.322 = | 149 +16.6 | 3 -0.1 | 101.4 +1 | close | 150 W vs 200 W: lower power handling · Xmax 3 mm < 3.1 mm: lower excursion-limited SPL | + |
| 18 Sound 15CX1000 | 48 -2.1 | 0.304 -0.02 | 132.5 +0.1 | 6 +2.9 | 100.2 -0.2 | close | + | |
| JBL 2035H | 48 -2.1 | 0.336 +0.01 | 140.5 +8.1 | 4.9 +1.8 | 101.5 +1.1 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Ciare PW389 | 45 -5.1 | 0.323 = | 138 +5.6 | 4.3 +1.2 | 99.4 -1 | close | + | |
| Focal 15PR75-250 | 50.8 +0.7 | 0.369 +0.04 | 128.8 -3.6 | 4 +0.9 | 99.7 -0.7 | close | + |
Compare the closest 3 against the SP-15825 →
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.