Fostex SLE 30 W
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 22 Hz |
| Qts | 0.302 |
| Qes | 0.31 |
| Qms | 11 |
| Vas | 293 L |
| Sd | 475 cm² |
| Xmax | 9.5 mm |
| Re | 6.7 Ω |
| Bl | 13 T·m |
| Mms | 56.5 g |
| Pe | 160 W |
| Sensitivity | 92.8 dB |
Alignment hint
| EBP | 71 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 65.4 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 |
|---|---|---|---|---|---|---|---|---|
| Visaton WS300 | 22 = | 0.321 +0.02 | 340 +47 | 8 -1.5 | 92.5 -0.3 | close | Xmax 8 mm < 9.5 mm: lower excursion-limited SPL | + |
| Audiotechnology FLEXUNIT 12B772510 | 25 +3 | 0.299 = | 250 -43 | 8.6 -0.9 | 94.3 +1.5 | close | Xmax 8.6 mm < 9.5 mm: lower excursion-limited SPL | + |
| Wharfedale 3014 | 20.7 -1.3 | 0.342 +0.04 | 319.1 +26.1 | 8 -1.5 | 92.2 -0.6 | close | 100 W vs 160 W: lower power handling · Xmax 8 mm < 9.5 mm: lower excursion-limited SPL | + |
| SB Acoustics SB34NRXL75-8 | 22 = | 0.275 -0.03 | 205 -88 | 9.6 +0.1 | 91.9 -0.9 | usable | + | |
| Artech ART33.2 | 23 +1 | 0.335 +0.03 | 340 +47 | 7 -2.5 | 92.7 -0.1 | usable | 100 W vs 160 W: lower power handling · Xmax 7 mm < 9.5 mm: lower excursion-limited SPL | + |
| Visaton W300S8 | 23 +1 | 0.335 +0.03 | 340 +47 | 7 -2.5 | 92.7 -0.1 | usable | Xmax 7 mm < 9.5 mm: lower excursion-limited SPL | + |
| Focal 12V 726 | 19 -3 | 0.267 -0.03 | 340 +47 | 9 -0.5 | 92 -0.8 | usable | Xmax 9 mm < 9.5 mm: lower excursion-limited SPL | + |
| Monacor SPH-300KE | 22 = | 0.331 +0.03 | 250 -43 | 6.5 -3 | 91.8 -1 | usable | 120 W vs 160 W: lower power handling · Xmax 6.5 mm < 9.5 mm: lower excursion-limited SPL | + |
| Jensen RS12045SW | 25 +3 | 0.3 = | 220 -73 | 11 +1.5 | 95.6 +2.8 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| JBL 128-H | 20 -2 | 0.241 -0.06 | 280.3 -12.7 | 7.9 -1.6 | 93 +0.2 | usable | Xmax 7.9 mm < 9.5 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the SLE 30 W →
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.