RCF LF18X451
Paramètres Thiele-Small
| Taille nominale | 18" |
|---|---|
| Impédance | 8 Ω |
| Fs | 30 Hz |
| Qts | 0.28 |
| Qes | 0.29 |
| Qms | 6.7 |
| Vas | 220 L |
| Sd | 1200 cm² |
| Xmax | 14 mm |
| Re | 5.4 Ω |
| Bl | 30.5 T·m |
| Mms | 260 g |
| Pe | 1800 W |
| Sensibilité | 97 dB |
Indication d'alignement
| EBP | 103 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 40.9 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 |
|---|---|---|---|---|---|---|---|---|
| Faital PRO 18XL1700 | 28 -2 | 0.28 = | 227 +7 | 16.17 +2.17 | 97 = | close | + | |
| 18 Sound 18NLW4100 | 29 -1 | 0.27 -0.01 | 207 -13 | 15 +1 | 97 = | close | 4 Ω vs 8 Ω: amp load changes | + |
| 18 Sound 18LW2600 | 30 = | 0.28 = | 186 -34 | 14 = | 96.5 -0.5 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Faital PRO 18XL2000 | 28 -2 | 0.27 -0.01 | 232.1 +12.1 | 16.32 +2.32 | 97 = | close | + | |
| RCF LF 18X451 | 30 = | 0.278 = | 220 = | 10.7 -3.3 | 96.8 -0.2 | close | Xmax 10.7 mm < 14 mm: lower excursion-limited SPL | + |
| RCF LF18N405 | 30 = | 0.32 +0.04 | 227 +7 | 14 = | 97 = | close | + | |
| 18 Sound 18LW2600 | 31 +1 | 0.29 +0.01 | 187 -33 | 14.8 +0.8 | 96.8 -0.2 | close | + | |
| B&C 18SW115 | 32 +2 | 0.3 +0.02 | 187 -33 | 14 = | 97 = | close | + | |
| 18 Sound 18NLW9000 | 34 +4 | 0.31 +0.03 | 206 -14 | 14 = | 97 = | close | + | |
| RCF LF18N408 | 30 = | 0.33 +0.05 | 193 -27 | 15 +1 | 97 = | close | + |
Comparer les 3 plus proches avec le LF18X451 →
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 (2)
- FAKE TH118subtapped horn
- HSR FAITH118subbass reflex