Peerless SLS315
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 24.4 Hz |
| Qts | 0.452 |
| Qes | 0.49 |
| Qms | 5.83 |
| Vas | 205.2 L |
| Sd | 540 cm² |
| Xmax | 7.8 mm |
| Re | 5.5 Ω |
| Bl | 12.1 T·m |
| Mms | 84.8 g |
| Pe | 100 W |
| Sensitivity | 91.4 dB |
Alignment hint
| EBP | 50 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 141.8 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 |
|---|---|---|---|---|---|---|---|---|
| Peerless 315SWR | 24 -0.4 | 0.433 -0.02 | 210 +4.8 | 8 +0.2 | 91.3 -0.1 | close | + | |
| Peerless 831857 | 24 -0.4 | 0.433 -0.02 | 210 +4.8 | 9 +1.2 | 91.3 -0.1 | close | + | |
| Rockford Fosgate R1S4-12 | 22 -2.4 | 0.493 +0.04 | 197.2 -8 | 7 -0.8 | 91.5 +0.1 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 7 mm < 7.8 mm: lower excursion-limited SPL | + |
| JBL 123A | 25 +0.6 | 0.49 +0.04 | 235 +29.8 | 7.9 +0.1 | 93.1 +1.7 | close | + | |
| JBL 2213H | 25 +0.6 | 0.49 +0.04 | 235 +29.8 | 7.9 +0.1 | 93.1 +1.7 | close | 75 W vs 100 W: lower power handling | + |
| SB Acoustics SB34NRX75-6 vp | 22.2 -2.2 | 0.444 -0.01 | 240 +34.8 | 11 +3.2 | 92 +0.6 | close | + | |
| JL Audio 12W1-8 | 24 -0.4 | 0.49 +0.04 | 177.29 -27.91 | 7.874 +0.07 | 88.6 -2.8 | close | + | |
| SB Acoustics SB34NRX75-6 vp fx | 22.9 -1.5 | 0.496 +0.04 | 181.3 -23.9 | 11 +3.2 | 90.6 -0.8 | close | + | |
| Davis 31ST12M | 24 -0.4 | 0.399 -0.05 | 260 +54.8 | 8.9 +1.1 | 91.6 +0.2 | close | + | |
| Davis 31ST12M v2011 | 24 -0.4 | 0.399 -0.05 | 260 +54.8 | 8.9 +1.1 | 91.6 +0.2 | close | + |
Compare the closest 3 against the SLS315 →
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.