PD PDN 2450
Thiele-Small parameters
| Nominal size | 25" |
|---|---|
| Impedance | 8 Ω |
| Fs | 32 Hz |
| Qts | 0.362 |
| Qes | 0.38 |
| Qms | 7.8 |
| Vas | 459.7 L |
| Sd | 2290 cm² |
| Xmax | 6.9 mm |
| Re | 5.58 Ω |
| Bl | 34.2 T·m |
| Mms | 395.6 g |
| Pe | 1000 W |
| Sensitivity | 99.5 dB |
Alignment hint
| EBP | 84 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 163.3 L |
EBP 50-100: works in either a sealed or ported alignment.
Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.
Substitute candidates
| Driver | Fs (Hz) | Qts | Vas (L) | Xmax (mm) | Sens (dB) | Fit | Notes | Compare |
|---|---|---|---|---|---|---|---|---|
| Precision Devices PDN 2450 | 32 = | 0.362 = | 459.7 = | 6.9 = | 99.5 = | close | + | |
| PD PD 2450 | 30.5 -1.5 | 0.333 -0.03 | 565.4 +105.7 | 7.6 +0.7 | 100.1 +0.6 | close | + | |
| Precision Devices PD 2450 | 30.5 -1.5 | 0.333 -0.03 | 565.4 +105.7 | 7.6 +0.7 | 100.1 +0.6 | close | + | |
| PD PD 24603BR | 34 +2 | 0.31 -0.05 | 355 -104.7 | 7.1 +0.2 | 100.2 +0.7 | usable | + | |
| Precision Devices PD 24603BR | 34 +2 | 0.31 -0.05 | 355 -104.7 | 7.1 +0.2 | 100.2 +0.7 | usable | + | |
| Celestion TSQ2460 | 27 -5 | 0.301 -0.06 | 344.5 -115.2 | 9.4 +2.5 | 99.4 -0.1 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| Stereo Integrity HS-24 MKII | 18.6 -13.4 | 0.39 +0.03 | 553.7 +94 | 15.9 +9 | 95.7 -3.8 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| Stereo Integrity SHS-24 | 27 -5 | 0.4 +0.04 | 193 -266.7 | 7.9 +1 | 97.5 -2 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| Stereo Integrity IB-24 D2 DVC | 20 -12 | 0.545 +0.18 | 595 +135.3 | 15.8 +8.9 | 94.5 -5 | risky | 4 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the PDN 2450 →
Ranked on parameter similarity only (Qts, Fs, Vas, Xmax, sensitivity). Same nominal size required. A hint, not a simulation, model the swap before cutting or buying.
Used in enclosures (0)
No enclosure in the catalog uses this driver yet.