18 Sound 21NLW9000C
Paramètres Thiele-Small
| Taille nominale | 21.5" |
|---|---|
| Impédance | 4 Ω |
| Fs | 29 Hz |
| Qts | 0.248 |
| Qes | 0.26 |
| Qms | 5.45 |
| Vas | 257 L |
| Sd | 1662 cm² |
| Xmax | 8.1 mm |
| Re | 2.7 Ω |
| Bl | 29.3 T·m |
| Mms | 453.8 g |
| Pe | 1800 W |
| Sensibilité | 100.5 dB |
Indication d'alignement
| EBP | 112 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 36 L |
EBP > 100 : favorise un alignement bass-reflex.
Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.
Candidats de substitution
| HP | Fs (Hz) | Qts | Vas (L) | Xmax (mm) | Sens (dB) | Adéquation | Notes | Comparer |
|---|---|---|---|---|---|---|---|---|
| B&C 21 SW 150 | 29 = | 0.261 +0.01 | 254 -3 | 7.5 -0.6 | 99.4 -1.1 | close | Xmax 7.5 mm < 8.1 mm: lower excursion-limited SPL | + |
| B&C 21 DS 115 | 30 +1 | 0.234 -0.01 | 269 +12 | 7.6 -0.5 | 98.7 -1.8 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 7.6 mm < 8.1 mm: lower excursion-limited SPL | + |
| LaVoce SAN214.50LD vp | 30 +1 | 0.223 -0.02 | 250 -7 | 7.2 -0.9 | 98.4 -2.1 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 7.2 mm < 8.1 mm: lower excursion-limited SPL | + |
| Dayton Audio PSS545HE-4 VORTEX | 28.8 -0.2 | 0.27 +0.02 | 212.1 -44.9 | 8.6 +0.5 | 97.8 -2.7 | close | + | |
| Beyma 21QLEX1600/Fe | 30 +1 | 0.281 +0.03 | 309 +52 | 8.4 +0.3 | 98.1 -2.4 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| RCF LF 21N451 v2017 | 30 +1 | 0.259 +0.01 | 375 +118 | 8.6 +0.5 | 99.3 -1.2 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| 18 Sound 21LW400 | 28 -1 | 0.234 -0.01 | 385 +128 | 9.3 +1.2 | 99.5 -1 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Eminence NSW6021-6 | 29 = | 0.304 +0.06 | 224.6 -32.4 | 10.3 +2.2 | 97.7 -2.8 | usable | + | |
| PD PDN 2151 | 31.4 +2.4 | 0.276 +0.03 | 303.4 +46.4 | 6.7 -1.4 | 99 -1.5 | usable | 8 Ω vs 4 Ω: amp load changes · 1000 W vs 1800 W: lower power handling · Xmax 6.7 mm < 8.1 mm: lower excursion-limited SPL | + |
| Precision Devices PDN 2151 | 31.4 +2.4 | 0.276 +0.03 | 303.4 +46.4 | 6.7 -1.4 | 99 -1.5 | usable | 8 Ω vs 4 Ω: amp load changes · 1000 W vs 1800 W: lower power handling · Xmax 6.7 mm < 8.1 mm: lower excursion-limited SPL | + |
Comparer les 3 plus proches avec le 21NLW9000C →
Classé par similarité de paramètres uniquement (Qts, Fs, Vas, Xmax, sensibilité). Même taille nominale requise. Une indication, pas une simulation, modélisez l'échange avant de couper ou d'acheter.
Utilisé dans les caissons (0)
No enclosure in the catalog uses this driver yet.