Precision Devices PD 1850
Paramètres Thiele-Small
| Taille nominale | 18" |
|---|---|
| Impédance | 8 Ω |
| Fs | 30 Hz |
| Qts | 0.212 |
| Qes | 0.22 |
| Qms | 6.04 |
| Vas | 249 L |
| Sd | 1150 cm² |
| Xmax | 6.9 mm |
| Re | 5.4 Ω |
| Bl | 31.1 T·m |
| Mms | 209.5 g |
| Pe | 800 W |
| Sensibilité | 98.5 dB |
Indication d'alignement
| EBP | 136 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 24.6 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 1850 | 30 = | 0.212 = | 249 = | 6.9 = | 98.5 = | close | + | |
| Precision Devices PD1850 | 30 = | 0.21 = | 249 = | 16 +9.1 | 98 -0.5 | close | + | |
| RCF LF 18N451 | 31 +1 | 0.24 +0.03 | 245 -4 | 8.8 +1.9 | 98.7 +0.2 | close | + | |
| 18 Sound 18NLW9000 | 32 +2 | 0.21 = | 247 -2 | 14 +7.1 | 97 -1.5 | close | 4 Ω vs 8 Ω: amp load changes | + |
| 18 Sound 18NLW9400 | 32 +2 | 0.22 +0.01 | 278 +29 | 9.5 +2.6 | 98 -0.5 | close | 4 Ω vs 8 Ω: amp load changes | + |
| RCF LF18N451 | 31 +1 | 0.24 +0.03 | 245 -4 | 9 +2.1 | 97.5 -1 | close | + | |
| Cerwin-Vega 189E | 30.5 +0.5 | 0.227 +0.02 | 244 -5 | 5.2 -1.7 | 98.6 +0.1 | close | 400 W vs 800 W: lower power handling · Xmax 5.2 mm < 6.9 mm: lower excursion-limited SPL | + |
| B&C 18 NW 100 | 31 +1 | 0.254 +0.04 | 252 +3 | 8.7 +1.8 | 98.4 -0.1 | close | + | |
| PD PD 185C003 | 33 +3 | 0.224 +0.01 | 224 -25 | 8.8 +1.9 | 99.1 +0.6 | close | + | |
| Precision Devices PD 185C003 | 33 +3 | 0.224 +0.01 | 224 -25 | 8.8 +1.9 | 99.1 +0.6 | close | + |
Comparer les 3 plus proches avec le PD 1850 →
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.