Dayton Audio ST305-8 Séries II
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 26.2 Hz |
| Qts | 0.334 |
| Qes | 0.35 |
| Qms | 7.5 |
| Vas | 164 L |
| Sd | 506.7 cm² |
| Xmax | 8 mm |
| Re | 6.2 Ω |
| Bl | 15.4 T·m |
| Mms | 81 g |
| Pe | 275 W |
| Sensitivity | 92.3 dB |
Alignment hint
| EBP | 75 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 47.1 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 |
|---|---|---|---|---|---|---|---|---|
| Monacor SPH-300KE vp1 | 26.5 +0.3 | 0.357 +0.02 | 175 +11 | 6.5 -1.5 | 92.3 = | close | 120 W vs 275 W: lower power handling · Xmax 6.5 mm < 8 mm: lower excursion-limited SPL | + |
| STX W.32.500.8.MC | 25 -1.2 | 0.299 -0.04 | 155 -9 | 7.5 -0.5 | 92.1 -0.2 | close | Xmax 7.5 mm < 8 mm: lower excursion-limited SPL | + |
| Eton 12-680-62 HEX | 26 -0.2 | 0.343 +0.01 | 150 -14 | 6 -2 | 91.6 -0.7 | close | 200 W vs 275 W: lower power handling · Xmax 6 mm < 8 mm: lower excursion-limited SPL | + |
| Eton 12-212/C8/62 HEX SYMPHONY II | 24 -2.2 | 0.31 -0.02 | 176 +12 | 8.5 +0.5 | 90.7 -1.6 | close | 200 W vs 275 W: lower power handling | + |
| Visaton TIW300 | 25 -1.2 | 0.282 -0.05 | 160 -4 | 9.7 +1.7 | 92.9 +0.6 | close | + | |
| STX W.STX.12.2.500.4.F.S.MC | 25 -1.2 | 0.31 -0.02 | 151 -13 | 7.5 -0.5 | 94.3 +2 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 7.5 mm < 8 mm: lower excursion-limited SPL | + |
| Dayton Audio SD315A-88 | 24.2 -2 | 0.335 = | 151.7 -12.3 | 6.4 -1.6 | 93.7 +1.4 | close | 4 Ω vs 8 Ω: amp load changes · 120 W vs 275 W: lower power handling · Xmax 6.4 mm < 8 mm: lower excursion-limited SPL | + |
| Dali A-12WD vp | 27 +0.8 | 0.328 -0.01 | 121 -43 | 8.8 +0.8 | 93.3 +1 | close | + | |
| Dayton Audio 12 DVC | 25 -1.2 | 0.347 +0.01 | 147.3 -16.7 | 15.5 +7.5 | 94 +1.7 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Eton 12-612/C8/62 RP | 30 +3.8 | 0.32 -0.01 | 134 -30 | 8.5 +0.5 | 92.1 -0.2 | close | 150 W vs 275 W: lower power handling | + |
Compare the closest 3 against the ST305-8 Séries II →
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.