GRS 15SSW-4HE
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 20.7 Hz |
| Qts | 0.487 |
| Qes | 0.55 |
| Qms | 4.27 |
| Vas | 196.6 L |
| Sd | 819.4 cm² |
| Xmax | 9.5 mm |
| Re | 4.2 Ω |
| Bl | 16.8 T·m |
| Mms | 283 g |
| Pe | 300 W |
| Sensitivity | 89.8 dB |
Alignment hint
| EBP | 38 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 177.4 L |
EBP < 50: favours a sealed (closed) 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 |
|---|---|---|---|---|---|---|---|---|
| MTX Audio RT15-04 | 20 -0.7 | 0.479 -0.01 | 223 +26.4 | 10.3 +0.8 | 90.8 +1 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Dayton Audio UM15-22 ULTIMAX DVC | 19.5 -1.2 | 0.474 -0.01 | 224.3 +27.7 | 9.5 = | 90.2 +0.4 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Oxygen AIR2 380 | 22.7 +2 | 0.543 +0.06 | 202.2 +5.6 | 11.5 +2 | 91.6 +1.8 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Powerbass M-1504 | 22 +1.3 | 0.442 -0.04 | 181.7 -14.9 | 11 +1.5 | 87.7 -2.1 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Dayton Audio RSS390HF-4 v2015 | 19.5 -1.2 | 0.429 -0.06 | 212 +15.4 | 12 +2.5 | 91.2 +1.4 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Sony XS-L151P5 | 22.2 +1.5 | 0.46 -0.03 | 195.9 -0.7 | 7 -2.5 | 88.2 -1.6 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 7 mm < 9.5 mm: lower excursion-limited SPL | + |
| Hertz Audio ES380.1 | 24.2 +3.5 | 0.52 +0.03 | 183 -13.6 | 9 -0.5 | 88.2 -1.6 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 9 mm < 9.5 mm: lower excursion-limited SPL | + |
| Rockford Fosgate P1S2-15 | 23 +2.3 | 0.55 +0.06 | 191.5 -5.1 | 9 -0.5 | 87.4 -2.4 | close | 2 Ω vs 8 Ω: amp load changes · Xmax 9 mm < 9.5 mm: lower excursion-limited SPL | + |
| Rockford Fosgate P1S4-15 | 23 +2.3 | 0.55 +0.06 | 191.5 -5.1 | 9 -0.5 | 87.3 -2.5 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 9 mm < 9.5 mm: lower excursion-limited SPL | + |
| Dayton Audio DVC385-88 | 20.9 +0.2 | 0.446 -0.04 | 237 +40.4 | 11.1 +1.6 | 93.8 +4 | usable | 4 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the 15SSW-4HE →
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.