PD PD 2150
Paramètres Thiele-Small
| Taille nominale | 21.5" |
|---|---|
| Impédance | 8 Ω |
| Fs | 22 Hz |
| Qts | 0.193 |
| Qes | 0.2 |
| Qms | 5.51 |
| Vas | 628 L |
| Sd | 1630 cm² |
| Xmax | 6 mm |
| Re | 5.48 Ω |
| Bl | 34.3 T·m |
| Mms | 310.4 g |
| Pe | 400 W |
| Sensibilité | 98.9 dB |
Indication d'alignement
| EBP | 110 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 50.6 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 |
|---|---|---|---|---|---|---|---|---|
| Precision Devices PD 2150 | 22 = | 0.193 = | 628 = | 6 = | 98.9 = | close | + | |
| Beyma 21L45 | 25 +3 | 0.275 +0.08 | 660 +32 | 9 +3 | 98.7 -0.2 | usable | + | |
| hertz Hertz Audio ML5400D | 20.7 -1.3 | 0.303 +0.11 | 613 -15 | 8.5 +2.5 | 102.9 +4 | usable | 2 Ω vs 8 Ω: amp load changes | + |
| Pyle Audio PDW21250 | 22.4 +0.4 | 0.331 +0.14 | 703.8 +75.8 | 9 +3 | 96.2 -2.7 | usable | + | |
| 18 Sound 21LW400 | 28 +6 | 0.234 +0.04 | 385 -243 | 9.3 +3.3 | 99.5 +0.6 | usable | + | |
| RCF LF 21N451 | 30 +8 | 0.239 +0.05 | 440 -188 | 8.9 +2.9 | 100.4 +1.5 | usable | + | |
| RCF LF 21N451 v2017 | 30 +8 | 0.259 +0.07 | 375 -253 | 8.6 +2.6 | 99.3 +0.4 | risky | + | |
| MCM Electronics 55-2985 | 25.9 +3.9 | 0.38 +0.19 | 705 +77 | 6.9 +0.9 | 97.6 -1.3 | risky | 300 W vs 400 W: lower power handling | + |
| Beyma 21LEX1600/Nd | 30 +8 | 0.272 +0.08 | 394 -234 | 9.3 +3.3 | 99.3 +0.4 | risky | + | |
| B&C 21 DS 115 - 4 | 30 +8 | 0.196 = | 274 -354 | 6.9 +0.9 | 103.3 +4.4 | risky | 4 Ω vs 8 Ω: amp load changes | + |
Comparer les 3 plus proches avec le PD 2150 →
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.