Focal SUB25KXS
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 4 Ω |
| Fs | 35 Hz |
| Qts | 0.812 |
| Qes | 0.97 |
| Qms | 5 |
| Vas | 18 L |
| Sd | 327 cm² |
| Xmax | 7 mm |
| Re | 3.2 Ω |
| Bl | 11.2 T·m |
| Mms | 172.2 g |
| Pe | 700 W |
| Sensitivity | 85 dB |
Alignment hint
| EBP | 36 · 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 |
|---|---|---|---|---|---|---|---|---|
| Audiobahn AW1051T | 42.7 +7.7 | 0.82 +0.01 | 19.822 +1.82 | 13 +6 | 83.9 -1.1 | usable | 300 W vs 700 W: lower power handling | + |
| Kenwood KFC-XW100F | 38.6 +3.6 | 0.72 -0.09 | 21.05 +3.05 | 7.5 +0.5 | 83.4 -1.6 | usable | 250 W vs 700 W: lower power handling | + |
| Kenwood KFC-WPS1000F | 38.6 +3.6 | 0.722 -0.09 | 21.05 +3.05 | 8 +1 | 83.4 -1.6 | usable | 250 W vs 700 W: lower power handling | + |
| Focal P25 FSE | 30 -5 | 0.798 -0.01 | 25 +7 | 6.5 -0.5 | 84.5 -0.5 | usable | 280 W vs 700 W: lower power handling · Xmax 6.5 mm < 7 mm: lower excursion-limited SPL | + |
| Rockford Fosgate T1D410 | 36 +1 | 0.647 -0.17 | 15.7 -2.3 | 7.3 +0.3 | 82.9 -2.1 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Sony XS-GTR101L | 44 +9 | 0.72 -0.09 | 21 +3 | 6.9 -0.1 | 85.4 +0.4 | usable | 370 W vs 700 W: lower power handling · Xmax 6.9 mm < 7 mm: lower excursion-limited SPL | + |
| HiVi SP10 | 34 -1 | 0.573 -0.24 | 17.1 -0.9 | 6.7 -0.3 | 85.8 +0.8 | usable | 500 W vs 700 W: lower power handling · Xmax 6.7 mm < 7 mm: lower excursion-limited SPL | + |
| Pioneer TS-SW2502S4 | 42 +7 | 0.97 +0.16 | 18.5 +0.5 | 6.5 -0.5 | 83 -2 | usable | 300 W vs 700 W: lower power handling · Xmax 6.5 mm < 7 mm: lower excursion-limited SPL | + |
| Focal P25FS | 30 -5 | 0.784 -0.03 | 25 +7 | 6.4 -0.6 | 83.5 -1.5 | usable | 8 Ω vs 4 Ω: amp load changes · 280 W vs 700 W: lower power handling · Xmax 6.4 mm < 7 mm: lower excursion-limited SPL | + |
| JL Audio 10TW3-D4 | 32.3 -2.7 | 0.62 -0.19 | 19.8 +1.8 | 7 = | 81.5 -3.5 | usable | 16 Ω vs 4 Ω: amp load changes · 400 W vs 700 W: lower power handling | + |
Compare the closest 3 against the SUB25KXS →
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.