SICA LP 266.25 / 280 ER 4
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 4 Ω |
| Fs | 75 Hz |
| Qts | 1.311 |
| Qes | 1.42 |
| Qms | 17.13 |
| Vas | 40.6 L |
| Sd | 330 cm² |
| Xmax | 1.5 mm |
| Re | 3.1 Ω |
| Bl | 4.2 T·m |
| Mms | 16.9 g |
| Pe | 60 W |
| Sensitivity | 96.9 dB |
Alignment hint
| EBP | 53 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | Qts too high |
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 |
|---|---|---|---|---|---|---|---|---|
| SICA 10 D 1 CS | 76.1 +1.1 | 1.564 +0.25 | 43.9 +3.3 | 1.5 = | 93.2 -3.7 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Jinwey YDA-250-4 | 58.3 -16.7 | 1.291 -0.02 | 36.6 -4 | 2 +0.5 | 92.2 -4.7 | usable | + | |
| Beyma 10AGN | 90 +15 | 1.319 +0.01 | 30 -10.6 | 1.6 +0.1 | 93 -3.9 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Celestion G10-GB | 93.8 +18.8 | 1.398 +0.09 | 33 -7.6 | 1 -0.5 | 94.9 -2 | usable | 8 Ω vs 4 Ω: amp load changes · 30 W vs 60 W: lower power handling · Xmax 1 mm < 1.5 mm: lower excursion-limited SPL | + |
| Jinwey YDA-250-8 | 60.1 -14.9 | 1.473 +0.16 | 35.8 -4.8 | 1.9 +0.4 | 89 -7.9 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| SICA 10 D 1.5 CS - 4 Ohms | 69 -6 | 0.842 -0.47 | 42.5 +1.9 | 1 -0.5 | 98.1 +1.2 | usable | Xmax 1 mm < 1.5 mm: lower excursion-limited SPL | + |
| Fenton PS10 vp2 | 59.9 -15.1 | 1.01 -0.3 | 41.2 +0.6 | 3.2 +1.7 | 90.4 -6.5 | usable | 16 Ω vs 4 Ω: amp load changes | + |
| Beyma HP10 | 61 -14 | 1.057 -0.25 | 51 +10.4 | 3.1 +1.6 | 92.1 -4.8 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Jensen CR10 | 96 +21 | 1.435 +0.12 | 29.7 -10.9 | 0.8 -0.7 | 94.8 -2.1 | usable | 8 Ω vs 4 Ω: amp load changes · 25 W vs 60 W: lower power handling · Xmax 0.8 mm < 1.5 mm: lower excursion-limited SPL | + |
| Audax HT240T0 | 80 +5 | 0.657 -0.65 | 34.3 -6.3 | 1.5 = | 95.6 -1.3 | usable | 8 Ω vs 4 Ω: amp load changes | + |
Compare the closest 3 against the LP 266.25 / 280 ER 4 →
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.