GRS 15PF-8
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 29 Hz |
| Qts | 1.394 |
| Qes | 1.92 |
| Qms | 5.09 |
| Vas | 265.9 L |
| Sd | 851 cm² |
| Xmax | 4 mm |
| Re | 7.21 Ω |
| Bl | 8.9 T·m |
| Mms | 115 g |
| Pe | 150 W |
| Sensitivity | 87.7 dB |
Alignment hint
| EBP | 15 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | Qts too high |
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 |
|---|---|---|---|---|---|---|---|---|
| Goldwood GW-215/40/8 | 30.5 +1.5 | 1.087 -0.31 | 261.2 -4.7 | 3.5 -0.5 | 89.8 +2.1 | usable | Xmax 3.5 mm < 4 mm: lower excursion-limited SPL | + |
| Carpower SP-382C | 30 +1 | 1.279 -0.11 | 320 +54.1 | 3.5 -0.5 | 92.1 +4.4 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 3.5 mm < 4 mm: lower excursion-limited SPL | + |
| DS18 BD-X154D | 35 +6 | 1.719 +0.33 | 240 -25.9 | 6.1 +2.1 | 88.5 +0.8 | usable | 16 Ω vs 8 Ω: amp load changes | + |
| Goldwood GW-215/4 | 29.6 +0.6 | 1.861 +0.47 | 291.6 +25.7 | 3 -1 | 88 +0.3 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 3 mm < 4 mm: lower excursion-limited SPL | + |
| Goldwood GW-215/8 | 29.5 +0.5 | 1.952 +0.56 | 366.5 +100.6 | 3.5 -0.5 | 87.9 +0.2 | usable | Xmax 3.5 mm < 4 mm: lower excursion-limited SPL | + |
| Eminence ALPHA 15 | 41 +12 | 1.263 -0.13 | 260 -5.9 | 3.8 -0.2 | 94 +6.3 | usable | Xmax 3.8 mm < 4 mm: lower excursion-limited SPL | + |
| Eminence ALPHA 15 A | 41 +12 | 1.263 -0.13 | 260 -5.9 | 3.8 -0.2 | 94 +6.3 | usable | Xmax 3.8 mm < 4 mm: lower excursion-limited SPL | + |
| Mercuriale HTR 386 M0 | 32 +3 | 1.255 -0.14 | 428.8 +162.9 | 3.6 -0.4 | 91.6 +3.9 | usable | Xmax 3.6 mm < 4 mm: lower excursion-limited SPL | + |
| Jinwey YDA-380-4 | 34.3 +5.3 | 1.186 -0.21 | 252.9 -13 | 3 -1 | 93.9 +6.2 | usable | 4 Ω vs 8 Ω: amp load changes · Xmax 3 mm < 4 mm: lower excursion-limited SPL | + |
| Europsonic TS38/300D | 28 -1 | 0.994 -0.4 | 382.6 +116.7 | 6 +2 | 90.3 +2.6 | usable | + |
Compare the closest 3 against the 15PF-8 →
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.