Dayton Audio PSS545HE-4 VORTEX
Thiele-Small parameters
| Nominal size | 21.5" |
|---|---|
| Impedance | 4 Ω |
| Fs | 28.8 Hz |
| Qts | 0.27 |
| Qes | 0.28 |
| Qms | 7.28 |
| Vas | 212.1 L |
| Sd | 1590 cm² |
| Xmax | 8.6 mm |
| Re | 3.8 Ω |
| Bl | 35.4 T·m |
| Mms | 510.3 g |
| Pe | 2000 W |
| Sensitivity | 97.8 dB |
Alignment hint
| EBP | 103 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 36.2 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 |
|---|---|---|---|---|---|---|---|---|
| Eminence NSW6021-6 | 29 +0.2 | 0.304 +0.03 | 224.6 +12.5 | 10.3 +1.7 | 97.7 -0.1 | close | + | |
| B&C 21 SW 150 | 29 +0.2 | 0.261 -0.01 | 254 +41.9 | 7.5 -1.1 | 99.4 +1.6 | close | 1500 W vs 2000 W: lower power handling · Xmax 7.5 mm < 8.6 mm: lower excursion-limited SPL | + |
| Ciare NDK 21-4 | 28.5 -0.3 | 0.322 +0.05 | 232.4 +20.3 | 8 -0.6 | 97.4 -0.4 | close | 1500 W vs 2000 W: lower power handling · Xmax 8 mm < 8.6 mm: lower excursion-limited SPL | + |
| Dayton Audio HTS545HE-4 KRAKEN | 26.3 -2.5 | 0.28 +0.01 | 179 -33.1 | 8.8 +0.2 | 95.7 -2.1 | close | + | |
| B&C 21 SW 152 | 32 +3.2 | 0.297 +0.03 | 198.2 -13.9 | 7.5 -1.1 | 98.9 +1.1 | close | Xmax 7.5 mm < 8.6 mm: lower excursion-limited SPL | + |
| Beyma 21QLEX1600/Fe | 30 +1.2 | 0.281 +0.01 | 309 +96.9 | 8.4 -0.2 | 98.1 +0.3 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 8.4 mm < 8.6 mm: lower excursion-limited SPL | + |
| 18 Sound 21NLW9000C | 29 +0.2 | 0.248 -0.02 | 257 +44.9 | 8.1 -0.5 | 100.5 +2.7 | usable | Xmax 8.1 mm < 8.6 mm: lower excursion-limited SPL | + |
| B&C 21 SW 152 v2013 | 32 +3.2 | 0.297 +0.03 | 200 -12.1 | 7.5 -1.1 | 99.5 +1.7 | usable | Xmax 7.5 mm < 8.6 mm: lower excursion-limited SPL | + |
| B&C 21 DS 115 | 30 +1.2 | 0.234 -0.04 | 269 +56.9 | 7.6 -1 | 98.7 +0.9 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 7.6 mm < 8.6 mm: lower excursion-limited SPL | + |
| LaVoce SAN214.50LD vp | 30 +1.2 | 0.223 -0.05 | 250 +37.9 | 7.2 -1.4 | 98.4 +0.6 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 7.2 mm < 8.6 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the PSS545HE-4 VORTEX →
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.