Eminence NSW6021-6
Thiele-Small parameters
| Nominal size | 21" |
|---|---|
| Impedance | 6 Ω |
| Fs | 29 Hz |
| Qts | 0.31 |
| Qes | 0.31 |
| Qms | 15.35 |
| Vas | 224.58 L |
| Sd | 1642 cm² |
| Xmax | 21 mm |
| Re | 3.8 Ω |
| Bl | 33.79 T·m |
| Mms | 508 g |
| Pe | 2500 W |
| Sensitivity | 97 dB |
Alignment hint
| EBP | 94 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 53.4 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 |
|---|---|---|---|---|---|---|---|---|
| 18 Sound 21NTLW5000 | 30 +1 | 0.32 +0.01 | 300 +75.42 | 17.5 -3.5 | 97 = | close | 4 Ω vs 6 Ω: amp load changes · 1800 W vs 2500 W: lower power handling · Xmax 17.5 mm < 21 mm: lower excursion-limited SPL | + |
| 18 Sound 21NLW9001 | 32 +3 | 0.31 = | 244 +19.42 | 14 -7 | 98 +1 | usable | 8 Ω vs 6 Ω: amp load changes · 1800 W vs 2500 W: lower power handling · Xmax 14 mm < 21 mm: lower excursion-limited SPL | + |
| B&C 21SW152 | 32 +3 | 0.3 -0.01 | 200 -24.58 | 15 -6 | 96 -1 | usable | 4 Ω vs 6 Ω: amp load changes · Xmax 15 mm < 21 mm: lower excursion-limited SPL | + |
| 18 Sound 21NTLW5000 | 31 +2 | 0.36 +0.05 | 270 +45.42 | 17.5 -3.5 | 97 = | usable | 8 Ω vs 6 Ω: amp load changes · 1800 W vs 2500 W: lower power handling · Xmax 17.5 mm < 21 mm: lower excursion-limited SPL | + |
| RCF LF21N551 | 35 +6 | 0.33 +0.02 | 200 -24.58 | 15 -6 | 97 = | usable | 8 Ω vs 6 Ω: amp load changes · Xmax 15 mm < 21 mm: lower excursion-limited SPL | + |
| B&C 21SW152 | 32 +3 | 0.36 +0.05 | 200 -24.58 | 15 -6 | 96 -1 | usable | 8 Ω vs 6 Ω: amp load changes · Xmax 15 mm < 21 mm: lower excursion-limited SPL | + |
| Lavoce SAN215.30 | 35 +6 | 0.33 +0.02 | 200 -24.58 | 14.9 -6.1 | 95.7 -1.3 | usable | 8 Ω vs 6 Ω: amp load changes · Xmax 14.9 mm < 21 mm: lower excursion-limited SPL | + |
| Faital PRO 21XL3000 | 30 +1 | 0.25 -0.06 | 284.6 +60.02 | 17.67 -3.33 | 98 +1 | usable | 8 Ω vs 6 Ω: amp load changes · Xmax 17.67 mm < 21 mm: lower excursion-limited SPL | + |
| 18 Sound 21LW2600 | 27 -2 | 0.37 +0.06 | 190 -34.58 | 14.6 -6.4 | 97 = | usable | 4 Ω vs 6 Ω: amp load changes · 1600 W vs 2500 W: lower power handling · Xmax 14.6 mm < 21 mm: lower excursion-limited SPL | + |
| B&C 21DS115 | 34 +5 | 0.27 -0.04 | 204 -20.58 | 16.5 -4.5 | 99 +2 | usable | 8 Ω vs 6 Ω: amp load changes · 1700 W vs 2500 W: lower power handling · Xmax 16.5 mm < 21 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the NSW6021-6 →
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.