PD PD 185N01
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 35.6 Hz |
| Qts | 0.383 |
| Qes | 0.39 |
| Qms | 21.47 |
| Vas | 174.5 L |
| Sd | 1164.2 cm² |
| Xmax | 8.4 mm |
| Re | 5 Ω |
| Bl | 25 T·m |
| Mms | 217.6 g |
| Pe | 1000 W |
| Sensitivity | 97.1 dB |
Alignment hint
| EBP | 91 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 72.4 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 PD 185N01 | 35.6 = | 0.383 = | 174.5 = | 8.4 = | 97.1 = | close | + | |
| B&C 18 SW 100 | 35 -0.6 | 0.375 -0.01 | 180 +5.5 | 9.7 +1.3 | 96.9 -0.2 | close | + | |
| B&C 18SW100 | 35 -0.6 | 0.38 = | 180 +5.5 | 12.5 +4.1 | 97 -0.1 | close | + | |
| Celestion POWER PRO X18 | 34.8 -0.8 | 0.379 = | 188.9 +14.4 | 8.6 +0.2 | 96.6 -0.5 | close | + | |
| Sica 18 S 4 PL | 36.2 +0.6 | 0.39 +0.01 | 189 +14.5 | 8 -0.4 | 97.3 +0.2 | close | Xmax 8 mm < 8.4 mm: lower excursion-limited SPL | + |
| B&C 18TBW100 | 35 -0.6 | 0.39 +0.01 | 175 +0.5 | 12 +3.6 | 96 -1.1 | close | + | |
| Fane 18XLS | 36 +0.4 | 0.407 +0.02 | 187 +12.5 | 9.3 +0.9 | 97 -0.1 | close | + | |
| Fane COLOSSUS 18XLS | 36 +0.4 | 0.407 +0.02 | 187 +12.5 | 9.3 +0.9 | 97 -0.1 | close | + | |
| Eminence NSW4018-8 | 36 +0.4 | 0.38 = | 164.49 -10.01 | 15.21 +6.81 | 96.6 -0.5 | close | + | |
| B&C 18NBX100 | 35 -0.6 | 0.38 = | 198 +23.5 | 10 +1.6 | 96.5 -0.6 | close | + |
Compare the closest 3 against the PD 185N01 →
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.