Dayton Audio RS270-8
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 8 Ω |
| Fs | 24.9 Hz |
| Qts | 0.401 |
| Qes | 0.52 |
| Qms | 1.75 |
| Vas | 120.5 L |
| Sd | 346.4 cm² |
| Xmax | 6 mm |
| Re | 6.78 Ω |
| Bl | 10.8 T·m |
| Mms | 57 g |
| Pe | 100 W |
| Sensitivity | 88.2 dB |
Alignment hint
| EBP | 48 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 57.1 L |
EBP < 50: favours a sealed (closed) 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 |
|---|---|---|---|---|---|---|---|---|
| Falcon Acoustics B139 SP1044 REMPLACEMENT | 25 +0.1 | 0.366 -0.04 | 127 +6.5 | 6 = | 89.5 +1.3 | close | + | |
| Audiotechnology 10B772510KAP | 25 +0.1 | 0.415 +0.01 | 128 +7.5 | 8.6 +2.6 | 89.7 +1.5 | close | + | |
| Dayton Audio DA270-8 | 27.8 +2.9 | 0.43 +0.03 | 108.5 -12 | 6.1 +0.1 | 88.1 -0.1 | close | + | |
| Dayton Audio SD270-88 v2009 | 25 +0.1 | 0.379 -0.02 | 110.4 -10.1 | 6 = | 92.1 +3.9 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Dayton Audio DA270-8 10 | 27.8 +2.9 | 0.429 +0.03 | 108.5 -12 | 6.1 +0.1 | 89.3 +1.1 | close | + | |
| Scan-Speak 26W/8534G00 v2011 | 23 -1.9 | 0.402 = | 150 +29.5 | 6 = | 89.8 +1.6 | close | + | |
| Audiotechnology 10A7725KAP | 23 -1.9 | 0.41 +0.01 | 139 +18.5 | 8.6 +2.6 | 89.5 +1.3 | close | + | |
| Dayton Audio RS270S-8 | 26.9 +2 | 0.41 +0.01 | 147.2 +26.7 | 6 = | 90 +1.8 | close | + | |
| Accuton AS250-8-552 v2018 | 22 -2.9 | 0.353 -0.05 | 119 -1.5 | 9 +3 | 87.6 -0.6 | close | + | |
| Scan-Speak 26W/8867T00 vp | 21.9 -3 | 0.449 +0.05 | 128 +7.5 | 9 +3 | 87.8 -0.4 | close | + |
Compare the closest 3 against the RS270-8 →
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.