Westra SW-300-2808
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 30 Hz |
| Qts | 0.322 |
| Qes | 0.36 |
| Qms | 3.03 |
| Vas | 209 L |
| Sd | 531 cm² |
| Xmax | 9.3 mm |
| Re | 6.7 Ω |
| Bl | 13.7 T·m |
| Mms | 53.2 g |
| Pe | 250 W |
| Sensitivity | 94.7 dB |
Alignment hint
| EBP | 83 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 54.7 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 TD1 | 30.3 +0.3 | 0.327 +0.01 | 200 -9 | 7.6 -1.7 | 95.3 +0.6 | close | 150 W vs 250 W: lower power handling · Xmax 7.6 mm < 9.3 mm: lower excursion-limited SPL | + |
| Visaton WS33NG | 30 = | 0.308 -0.01 | 190 -19 | 8 -1.3 | 94.5 -0.2 | close | Xmax 8 mm < 9.3 mm: lower excursion-limited SPL | + |
| Rockford Fosgate S1-124 | 28 -2 | 0.326 = | 186 -23 | 9.9 +0.6 | 96.2 +1.5 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Visaton TD | 31 +1 | 0.324 = | 200 -9 | 7.3 -2 | 95.5 +0.8 | close | 150 W vs 250 W: lower power handling · Xmax 7.3 mm < 9.3 mm: lower excursion-limited SPL | + |
| Cabasse 30M22 | 31.5 +1.5 | 0.315 -0.01 | 196.1 -12.9 | 8 -1.3 | 97.7 +3 | close | Xmax 8 mm < 9.3 mm: lower excursion-limited SPL | + |
| Jensen RS12045SW | 25 -5 | 0.3 -0.02 | 220 +11 | 11 +1.7 | 95.6 +0.9 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Focal 12V 726DB | 25.9 -4.1 | 0.354 +0.03 | 210.5 +1.5 | 8.5 -0.8 | 96 +1.3 | close | 4 Ω vs 8 Ω: amp load changes · 150 W vs 250 W: lower power handling · Xmax 8.5 mm < 9.3 mm: lower excursion-limited SPL | + |
| Samy Speaker LW1200 | 30.7 +0.7 | 0.36 +0.04 | 210 +1 | 6 -3.3 | 94.3 -0.4 | usable | 100 W vs 250 W: lower power handling · Xmax 6 mm < 9.3 mm: lower excursion-limited SPL | + |
| Audiotechnology FLEXUNIT 12B772510 | 25 -5 | 0.299 -0.02 | 250 +41 | 8.6 -0.7 | 94.3 -0.4 | usable | Xmax 8.6 mm < 9.3 mm: lower excursion-limited SPL | + |
| Philips AD12240/W8 | 29 -1 | 0.392 +0.07 | 215.7 +6.7 | 7.4 -1.9 | 93.6 -1.1 | usable | 100 W vs 250 W: lower power handling · Xmax 7.4 mm < 9.3 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the SW-300-2808 →
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.