Dayton Audio ST255-8
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 8 Ω |
| Fs | 41.1 Hz |
| Qts | 0.31 |
| Qes | 0.32 |
| Qms | 9.94 |
| Vas | 48.7 L |
| Sd | 340 cm² |
| Xmax | 5.5 mm |
| Re | 6.3 Ω |
| Bl | 15.9 T·m |
| Mms | 49.9 g |
| Pe | 250 W |
| Sensitivity | 93.3 dB |
Alignment hint
| EBP | 128 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 11.6 L |
EBP > 100: favours a ported (bass-reflex) 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 |
|---|---|---|---|---|---|---|---|---|
| Beyma 10G40 v2016 | 45 +3.9 | 0.306 = | 49 +0.3 | 6.6 +1.1 | 94.5 +1.2 | close | + | |
| Sica 10 S 3 CP | 42 +0.9 | 0.3 -0.01 | 42.8 -5.9 | 7 +1.5 | 94 +0.7 | close | + | |
| Eminence KAPPALITE™ KL3010LF-8 | 45 +3.9 | 0.31 = | 47.33 -1.37 | 8.52 +3.02 | 92 -1.3 | close | + | |
| Beyma 10"G40 | 45 +3.9 | 0.3 -0.01 | 49 +0.3 | 7 +1.5 | 95 +1.7 | close | + | |
| Volt RV2501 | 39 -2.1 | 0.332 +0.02 | 47 -1.7 | 5 -0.5 | 92.5 -0.8 | close | Xmax 5 mm < 5.5 mm: lower excursion-limited SPL | + |
| SICA 10 S 3 CP v2017 | 43 +1.9 | 0.313 = | 39.9 -8.8 | 7 +1.5 | 93.6 +0.3 | close | + | |
| Beyma 10LW30 | 42 +0.9 | 0.293 -0.02 | 55 +6.3 | 7 +1.5 | 94.6 +1.3 | close | + | |
| Faital PRO 10RS350 | 40 -1.1 | 0.31 = | 40.6 -8.1 | 7.17 +1.67 | 91 -2.3 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Decware DHM 108B | 35 -6.1 | 0.316 +0.01 | 53 +4.3 | 5.5 = | 91 -2.3 | close | + | |
| Beyma 10WR300 | 47 +5.9 | 0.287 -0.02 | 50.5 +1.8 | 5.8 +0.3 | 95.5 +2.2 | close | + |
Compare the closest 3 against the ST255-8 →
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.