Dayton Audio SS18-22
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 21 Hz |
| Qts | 0.374 |
| Qes | 0.42 |
| Qms | 3.4 |
| Vas | 224 L |
| Sd | 1188 cm² |
| Xmax | 12.8 mm |
| Re | 5.4 Ω |
| Bl | 29.3 T·m |
| Mms | 507.3 g |
| Pe | 1300 W |
| Sensitivity | 90.6 dB |
Alignment hint
| EBP | 50 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 87 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 |
|---|---|---|---|---|---|---|---|---|
| FI Audio HT-3 | 21.3 +0.3 | 0.423 +0.05 | 235.9 +11.9 | 17 +4.2 | 92.9 +2.3 | close | 4 Ω vs 8 Ω: amp load changes | + |
| TC Sounds LMS-ULTRA 5400 | 20.5 -0.5 | 0.325 -0.05 | 240.7 +16.7 | 16 +3.2 | 93.1 +2.5 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Dayton Audio RSS460HO-4 | 19.6 -1.4 | 0.387 +0.01 | 298 +74 | 12.8 = | 92.9 +2.3 | usable | 4 Ω vs 8 Ω: amp load changes · 900 W vs 1300 W: lower power handling | + |
| CSS Audio Maelstrom 18 DVC by Exodus Audio | 17.4 -3.6 | 0.376 = | 313 +89 | 14.7 +1.9 | 91.2 +0.6 | usable | 4 Ω vs 8 Ω: amp load changes · 1000 W vs 1300 W: lower power handling | + |
| Dayton Audio UM18-22 18 | 19.5 -1.5 | 0.487 +0.11 | 216.8 -7.2 | 12.2 -0.6 | 89 -1.6 | usable | 1000 W vs 1300 W: lower power handling · Xmax 12.2 mm < 12.8 mm: lower excursion-limited SPL | + |
| Stereo Integrity HST-18 Dual 2 Ohms | 16.4 -4.6 | 0.388 +0.01 | 267 +43 | 19 +6.2 | 89.7 -0.9 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| BMS 18N860 | 24 +3 | 0.372 = | 304 +80 | 15 +2.2 | 93.7 +3.1 | usable | + | |
| Dayton Audio UMII18-22 ULTIMAX II DVC | 22 +1 | 0.53 +0.16 | 248.2 +24.2 | 13.8 +1 | 90.7 +0.1 | usable | + | |
| Dayton Audio RSS460HO-4 v2015 | 18.8 -2.2 | 0.322 -0.05 | 272 +48 | 11.9 -0.9 | 93.1 +2.5 | usable | 4 Ω vs 8 Ω: amp load changes · 900 W vs 1300 W: lower power handling · Xmax 11.9 mm < 12.8 mm: lower excursion-limited SPL | + |
| Dayton Audio UM18-22 v2015 | 19.5 -1.5 | 0.533 +0.16 | 212 -12 | 12.6 -0.2 | 88.6 -2 | usable | 1000 W vs 1300 W: lower power handling · Xmax 12.6 mm < 12.8 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the SS18-22 →
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.