RCF LF 21X451
Paramètres Thiele-Small
| Taille nominale | 21.5" |
|---|---|
| Impédance | 8 Ω |
| Fs | 28 Hz |
| Qts | 0.369 |
| Qes | 0.39 |
| Qms | 6.9 |
| Vas | 385 L |
| Sd | 1700 cm² |
| Xmax | 13 mm |
| Re | 5.4 Ω |
| Bl | 28.8 T·m |
| Mms | 340 g |
| Pe | 2000 W |
| Sensibilité | 97 dB |
Indication d'alignement
| EBP | 72 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 144.1 L |
EBP 50-100 : fonctionne en clos ou en 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 |
|---|---|---|---|---|---|---|---|---|
| RCF LF 21N401 | 30 +2 | 0.378 +0.01 | 374 -11 | 10.6 -2.4 | 98 +1 | close | 1500 W vs 2000 W: lower power handling · Xmax 10.6 mm < 13 mm: lower excursion-limited SPL | + |
| MC Kenzie FRL-21/1200-LF | 30 +2 | 0.378 +0.01 | 374 -11 | 9.5 -3.5 | 98 +1 | close | 1200 W vs 2000 W: lower power handling · Xmax 9.5 mm < 13 mm: lower excursion-limited SPL | + |
| Beyma 21PW1400FE | 30 +2 | 0.343 -0.03 | 401.5 +16.5 | 10 -3 | 98.6 +1.6 | usable | 1400 W vs 2000 W: lower power handling · Xmax 10 mm < 13 mm: lower excursion-limited SPL | + |
| LaVoce SAF214.50 vp | 30 +2 | 0.401 +0.03 | 311 -74 | 11.6 -1.4 | 96.4 -0.6 | usable | Xmax 11.6 mm < 13 mm: lower excursion-limited SPL | + |
| 18 Sound 21NLW9000 | 29 +1 | 0.347 -0.02 | 304 -81 | 10.7 -2.3 | 96.4 -0.6 | usable | Xmax 10.7 mm < 13 mm: lower excursion-limited SPL | + |
| RCF 21LNW9000 | 29 +1 | 0.347 -0.02 | 304 -81 | 10.7 -2.3 | 96.4 -0.6 | usable | Xmax 10.7 mm < 13 mm: lower excursion-limited SPL | + |
| LaVoce SAF214.50 | 30 +2 | 0.435 +0.07 | 267 -118 | 11.6 -1.4 | 95.6 -1.4 | usable | Xmax 11.6 mm < 13 mm: lower excursion-limited SPL | + |
| Ciare NDC 21-5 | 32.2 +4.2 | 0.344 -0.03 | 270.8 -114.2 | 8.8 -4.2 | 97.2 +0.2 | usable | 1500 W vs 2000 W: lower power handling · Xmax 8.8 mm < 13 mm: lower excursion-limited SPL | + |
| Beyma 21SW1600ND | 33 +5 | 0.382 +0.01 | 268 -117 | 8.9 -4.1 | 97.6 +0.6 | usable | Xmax 8.9 mm < 13 mm: lower excursion-limited SPL | + |
| SB Audience NERO-21SW1100D | 32 +4 | 0.339 -0.03 | 312.6 -72.4 | 8.1 -4.9 | 98.6 +1.6 | usable | 1100 W vs 2000 W: lower power handling · Xmax 8.1 mm < 13 mm: lower excursion-limited SPL | + |
Comparer les 3 plus proches avec le LF 21X451 →
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.