Dayton Audio HTS545HE-4 KRAKEN
Thiele-Small parameters
| Nominal size | 21.5" |
|---|---|
| Impedance | 4 Ω |
| Fs | 26.3 Hz |
| Qts | 0.28 |
| Qes | 0.29 |
| Qms | 7.9 |
| Vas | 179 L |
| Sd | 1525 cm² |
| Xmax | 8.8 mm |
| Re | 3.8 Ω |
| Bl | 38 T·m |
| Mms | 667.1 g |
| Pe | 2000 W |
| Sensitivity | 95.7 dB |
Alignment hint
| EBP | 91 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 33.3 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 |
|---|---|---|---|---|---|---|---|---|
| Dayton Audio PSS545HE-4 VORTEX | 28.8 +2.5 | 0.27 -0.01 | 212.1 +33.1 | 8.6 -0.2 | 97.8 +2.1 | close | Xmax 8.6 mm < 8.8 mm: lower excursion-limited SPL | + |
| Eminence NSW6021-6 | 29 +2.7 | 0.304 +0.02 | 224.6 +45.6 | 10.3 +1.5 | 97.7 +2 | usable | + | |
| B&C 21 SW 152 | 32 +5.7 | 0.297 +0.02 | 198.2 +19.2 | 7.5 -1.3 | 98.9 +3.2 | usable | Xmax 7.5 mm < 8.8 mm: lower excursion-limited SPL | + |
| Ciare NDK 21-4 | 28.5 +2.2 | 0.322 +0.04 | 232.4 +53.4 | 8 -0.8 | 97.4 +1.7 | usable | 1500 W vs 2000 W: lower power handling · Xmax 8 mm < 8.8 mm: lower excursion-limited SPL | + |
| B&C 21 SW 152 v2013 | 32 +5.7 | 0.297 +0.02 | 200 +21 | 7.5 -1.3 | 99.5 +3.8 | usable | Xmax 7.5 mm < 8.8 mm: lower excursion-limited SPL | + |
| Beyma 21QLEX1600/Fe | 30 +3.7 | 0.281 = | 309 +130 | 8.4 -0.4 | 98.1 +2.4 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 8.4 mm < 8.8 mm: lower excursion-limited SPL | + |
| B&C 21 SW 150 | 29 +2.7 | 0.261 -0.02 | 254 +75 | 7.5 -1.3 | 99.4 +3.7 | usable | 1500 W vs 2000 W: lower power handling · Xmax 7.5 mm < 8.8 mm: lower excursion-limited SPL | + |
| RCF LF 21N551 | 35 +8.7 | 0.331 +0.05 | 200 +21 | 7.7 -1.1 | 97.7 +2 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 7.7 mm < 8.8 mm: lower excursion-limited SPL | + |
| 18 Sound 21NLW9000C | 29 +2.7 | 0.248 -0.03 | 257 +78 | 8.1 -0.7 | 100.5 +4.8 | usable | Xmax 8.1 mm < 8.8 mm: lower excursion-limited SPL | + |
| 18 Sound 21NLW9000 | 29 +2.7 | 0.347 +0.07 | 304 +125 | 10.7 +1.9 | 96.4 +0.7 | usable | 8 Ω vs 4 Ω: amp load changes | + |
Compare the closest 3 against the HTS545HE-4 KRAKEN →
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.