Precision Devices PDN 18SB40
Paramètres Thiele-Small
| Taille nominale | 18" |
|---|---|
| Impédance | 8 Ω |
| Fs | 38.5 Hz |
| Qts | 0.326 |
| Qes | 0.336 |
| Qms | 10.52 |
| Vas | 201.3 L |
| Sd | 1134 cm² |
| Xmax | 6 mm |
| Re | 6.02 Ω |
| Bl | 25.7 T·m |
| Mms | 152.9 g |
| Pe | 600 W |
| Sensibilité | 98.6 dB |
Indication d'alignement
| EBP | 115 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 54.3 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 |
|---|---|---|---|---|---|---|---|---|
| PD PDN 18SB40 | 38.5 = | 0.326 = | 201.3 = | 6 = | 98.6 = | close | + | |
| Sica 18 K 4 PL | 36.8 -1.7 | 0.32 -0.01 | 201 -0.3 | 6.5 +0.5 | 97.8 -0.8 | close | + | |
| Beyma 18G50 | 40 +1.5 | 0.321 -0.01 | 212 +10.7 | 6 = | 99.3 +0.7 | close | + | |
| Beyma 18P1200Nd | 37 -1.5 | 0.339 +0.01 | 198 -3.3 | 8.4 +2.4 | 98.3 -0.3 | close | + | |
| Beyma 18G50 vp | 39 +0.5 | 0.365 +0.04 | 204.9 +3.6 | 6.4 +0.4 | 98.1 -0.5 | close | + | |
| RCF W470 | 36 -2.5 | 0.35 +0.02 | 201 -0.3 | 6 = | 99.7 +1.1 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Fane 18-800N | 38 -0.5 | 0.306 -0.02 | 217 +15.7 | 7.1 +1.1 | 99.5 +0.9 | close | + | |
| RCF L 18/851KN | 39 +0.5 | 0.357 +0.03 | 200 -1.3 | 5 -1 | 98.4 -0.2 | close | Xmax 5 mm < 6 mm: lower excursion-limited SPL | + |
| RCF L 18S800 | 39 +0.5 | 0.29 -0.04 | 206 +4.7 | 6.3 +0.3 | 100.2 +1.6 | close | + | |
| RCF L 18S801 | 39 +0.5 | 0.29 -0.04 | 206 +4.7 | 6.3 +0.3 | 100.2 +1.6 | close | + |
Comparer les 3 plus proches avec le PDN 18SB40 →
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.