Precision Devices PD 1851/2
Paramètres Thiele-Small
| Taille nominale | 18" |
|---|---|
| Impédance | 8 Ω |
| Fs | 37 Hz |
| Qts | 0.286 |
| Qes | 0.29 |
| Qms | 18.49 |
| Vas | 160.5 L |
| Sd | 1164.2 cm² |
| Xmax | 6.7 mm |
| Re | 5.23 Ω |
| Bl | 30.3 T·m |
| Mms | 218.7 g |
| Pe | 1000 W |
| Sensibilité | 98.3 dB |
Indication d'alignement
| EBP | 128 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 31.4 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 PD 1851/2 | 37 = | 0.286 = | 160.5 = | 6.7 = | 98.3 = | close | + | |
| Oberton 18XB1300 | 35.2 -1.8 | 0.287 = | 170.9 +10.4 | 8 +1.3 | 97.8 -0.5 | close | + | |
| B&C 18PZB100 | 38 +1 | 0.28 -0.01 | 164 +3.5 | 8 +1.3 | 96.5 -1.8 | close | 4 Ω vs 8 Ω: amp load changes · 700 W vs 1000 W: lower power handling | + |
| Oberton 18NXB700 | 36.24 -0.76 | 0.312 +0.03 | 155.46 -5.04 | 9 +2.3 | 98 -0.3 | close | + | |
| Oberton 18XB1301 | 35.7 -1.3 | 0.302 +0.02 | 172.9 +12.4 | 8.2 +1.5 | 97.9 -0.4 | close | + | |
| Oberton 18XB1201 | 38.05 +1.05 | 0.317 +0.03 | 159.37 -1.13 | 10.5 +3.8 | 98.5 +0.2 | close | + | |
| Oberton 18NXB1601 | 34.6 -2.4 | 0.286 = | 146.2 -14.3 | 8.2 +1.5 | 96.9 -1.4 | close | + | |
| 18 Sound 18NLW9600 | 34 -3 | 0.281 = | 149 -11.5 | 9 +2.3 | 97.3 -1 | close | + | |
| Oberton 18XB700 | 36.1 -0.9 | 0.304 +0.02 | 183.22 +22.72 | 9 +2.3 | 98 -0.3 | close | + | |
| SICA 18 F 4 CP | 38 +1 | 0.29 = | 185.2 +24.7 | 6.2 -0.5 | 97 -1.3 | close | 700 W vs 1000 W: lower power handling · Xmax 6.2 mm < 6.7 mm: lower excursion-limited SPL | + |
Comparer les 3 plus proches avec le PD 1851/2 →
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.