PD PD 186/2
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 34.2 Hz |
| Qts | 0.523 |
| Qes | 0.55 |
| Qms | 10.77 |
| Vas | 192.2 L |
| Sd | 1134.1 cm² |
| Xmax | 8.7 mm |
| Re | 6.19 Ω |
| Bl | 22.2 T·m |
| Mms | 203.4 g |
| Pe | 700 W |
| Sensitivity | 94.5 dB |
Alignment hint
| EBP | 62 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 232.1 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 186/2 | 34.2 = | 0.523 = | 192.2 = | 8.7 = | 94.5 = | close | + | |
| Fane FC-185F01 | 36 +1.8 | 0.533 +0.01 | 205 +12.8 | 10.5 +1.8 | 95.6 +1.1 | close | + | |
| Dayton Audio PA465S-8 | 32.3 -1.9 | 0.569 +0.05 | 193 +0.8 | 9.9 +1.2 | 93.9 -0.6 | close | + | |
| Eminence KILOMAX PRO 18 | 33 -1.2 | 0.557 +0.03 | 239.9 +47.7 | 10 +1.3 | 95.1 +0.6 | close | + | |
| Eminence KILOMAX PRO 18 A | 33 -1.2 | 0.557 +0.03 | 239.9 +47.7 | 10 +1.3 | 95.1 +0.6 | close | + | |
| SB Audience ROSSO-18SW1000D | 35 +0.8 | 0.467 -0.06 | 164.3 -27.9 | 8.2 -0.5 | 95.3 +0.8 | close | Xmax 8.2 mm < 8.7 mm: lower excursion-limited SPL | + |
| Radian 2218-8 | 33.8 -0.4 | 0.518 -0.01 | 282.9 +90.7 | 9 +0.3 | 95.5 +1 | close | + | |
| Radian 2218 | 33.8 -0.4 | 0.525 = | 286 +93.8 | 9 +0.3 | 95.5 +1 | close | + | |
| P.Audio GST-181200 | 35 +0.8 | 0.54 +0.02 | 180.2 -12 | 6 -2.7 | 93.2 -1.3 | close | Xmax 6 mm < 8.7 mm: lower excursion-limited SPL | + |
| 18 Sound 18TLW3000 | 33 -1.2 | 0.41 -0.11 | 185 -7.2 | 12 +3.3 | 95 +0.5 | usable | + |
Compare the closest 3 against the PD 186/2 →
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.