PD PD 158
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 39.9 Hz |
| Qts | 0.241 |
| Qes | 0.25 |
| Qms | 6.94 |
| Vas | 161.9 L |
| Sd | 881.4 cm² |
| Xmax | 5.9 mm |
| Re | 5.9 Ω |
| Bl | 25.2 T·m |
| Mms | 107.3 g |
| Pe | 600 W |
| Sensitivity | 99.4 dB |
Alignment hint
| EBP | 160 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 21.3 L |
EBP > 100: favours a ported (bass-reflex) 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 158 | 39.9 = | 0.241 = | 161.9 = | 5.9 = | 99.4 = | close | + | |
| Beyma 15P80/FE | 41 +1.1 | 0.236 -0.01 | 159.3 -2.6 | 6.6 +0.7 | 100.6 +1.2 | close | + | |
| RCF LF 15G400 | 37 -2.9 | 0.247 +0.01 | 164 +2.1 | 6.9 +1 | 99.1 -0.3 | close | + | |
| RCF LF 15X400 | 37 -2.9 | 0.247 +0.01 | 164 +2.1 | 7 +1.1 | 99.1 -0.3 | close | + | |
| Precision Devices PD153 ER | 39 -0.9 | 0.222 -0.02 | 160 -1.9 | 6.5 +0.6 | 99 -0.4 | close | 16 Ω vs 8 Ω: amp load changes · 400 W vs 600 W: lower power handling | + |
| Sica 15 K 3 PL | 40 +0.1 | 0.27 +0.03 | 166.1 +4.2 | 6.5 +0.6 | 99.7 +0.3 | close | 400 W vs 600 W: lower power handling | + |
| B&C 15 CXN 88 | 40 +0.1 | 0.254 +0.01 | 178 +16.1 | 6 +0.1 | 100.4 +1 | close | + | |
| P.Audio P-15N | 39.8 -0.1 | 0.254 +0.01 | 144.6 -17.3 | 7.5 +1.6 | 99.2 -0.2 | close | + | |
| PHL Audio 5030 | 40 +0.1 | 0.236 -0.01 | 180 +18.1 | 5.4 -0.5 | 100.2 +0.8 | close | Xmax 5.4 mm < 5.9 mm: lower excursion-limited SPL | + |
| B&C 15PS76-8 | 38 -1.9 | 0.26 +0.02 | 164 +2.1 | 7.5 +1.6 | 99 -0.4 | close | + |
Compare the closest 3 against the PD 158 →
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.