Scan-Speak 25W/8561
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 8 Ω |
| Fs | 28 Hz |
| Qts | 0.306 |
| Qes | 0.35 |
| Qms | 2.43 |
| Vas | 140 L |
| Sd | 298 cm² |
| Xmax | 6.5 mm |
| Re | 5.5 Ω |
| Bl | 8.9 T·m |
| Mms | 28.7 g |
| Pe | 130 W |
| Sensitivity | 93 dB |
Alignment hint
| EBP | 80 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 32.3 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 |
|---|---|---|---|---|---|---|---|---|
| SEAS CA26RE4X vp1 | 27.3 -0.7 | 0.317 +0.01 | 143 +3 | 7.1 +0.6 | 92.5 -0.5 | close | 80 W vs 130 W: lower power handling | + |
| Focal 10K 6411 | 28.3 +0.3 | 0.291 -0.02 | 124.1 -15.9 | 8 +1.5 | 93.6 +0.6 | close | + | |
| Vifa PLW 26 452/8 | 26 -2 | 0.319 +0.01 | 130 -10 | 6.5 = | 91.3 -1.7 | close | 100 W vs 130 W: lower power handling | + |
| SEAS CA26RFX | 29 +1 | 0.337 +0.03 | 129 -11 | 7 +0.5 | 92 -1 | close | 100 W vs 130 W: lower power handling | + |
| Focal 10K 516 | 27.8 -0.2 | 0.348 +0.04 | 157 +17 | 7.5 +1 | 93.3 +0.3 | close | 100 W vs 130 W: lower power handling | + |
| Visaton W250S-8 | 31 +3 | 0.323 +0.02 | 121 -19 | 6.5 = | 92.5 -0.5 | close | 100 W vs 130 W: lower power handling | + |
| Visaton W250S v2 | 31 +3 | 0.323 +0.02 | 121 -19 | 6.5 = | 92.5 -0.5 | close | 100 W vs 130 W: lower power handling | + |
| Visaton W250S8 | 31 +3 | 0.323 +0.02 | 121 -19 | 6.5 = | 92.5 -0.5 | close | 100 W vs 130 W: lower power handling | + |
| Visaton W250S8 v2 | 31 +3 | 0.323 +0.02 | 121 -19 | 6.5 = | 92.5 -0.5 | close | 100 W vs 130 W: lower power handling | + |
| Focal 11V 7511 | 27 -1 | 0.33 +0.02 | 128.5 -11.5 | 9 +2.5 | 91.5 -1.5 | close | + |
Compare the closest 3 against the 25W/8561 →
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.