Precision Devices PDN 15SB40
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 50 Hz |
| Qts | 0.243 |
| Qes | 0.25 |
| Qms | 8.87 |
| Vas | 93.2 L |
| Sd | 829.6 cm² |
| Xmax | 4.3 mm |
| Re | 5.2 Ω |
| Bl | 26.2 T·m |
| Mms | 104.8 g |
| Pe | 600 W |
| Sensitivity | 100.5 dB |
Alignment hint
| EBP | 200 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 12.5 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 |
|---|---|---|---|---|---|---|---|---|
| PD PDN 15SB40 | 50 = | 0.243 = | 93.2 = | 4.3 = | 100.5 = | close | + | |
| PHL Audio 5241 M | 48 -2 | 0.253 +0.01 | 105 +11.8 | 3.9 -0.4 | 99.4 -1.1 | close | Xmax 3.9 mm < 4.3 mm: lower excursion-limited SPL | + |
| B&C 14 CXN 88 | 46 -4 | 0.265 +0.02 | 100 +6.8 | 5.2 +0.9 | 99.9 -0.6 | close | + | |
| B&C 14NA100-8 | 43 -7 | 0.23 -0.01 | 99.5 +6.3 | 4.4 +0.1 | 99.1 -1.4 | close | + | |
| Sica 15 F 4 CP | 46.4 -3.6 | 0.27 +0.03 | 97 +3.8 | 7 +2.7 | 99.4 -1.1 | close | + | |
| B&C 15 NA 100 | 47 -3 | 0.277 +0.03 | 88 -5.2 | 5.1 +0.8 | 98.9 -1.6 | close | + | |
| 18 Sound 15NMB1000 | 46 -4 | 0.24 = | 124 +30.8 | 6.5 +2.2 | 101 +0.5 | close | + | |
| Ciare NDH 15-3 | 49.8 -0.2 | 0.296 +0.05 | 110.9 +17.7 | 4.3 = | 99.7 -0.8 | usable | 400 W vs 600 W: lower power handling | + |
| RCF CX15N351 | 55 +5 | 0.258 +0.02 | 110 +16.8 | 3.8 -0.5 | 101.8 +1.3 | usable | 450 W vs 600 W: lower power handling · Xmax 3.8 mm < 4.3 mm: lower excursion-limited SPL | + |
| BMS 15CN860 | 46 -4 | 0.276 +0.03 | 102 +8.8 | 6 +1.7 | 98.7 -1.8 | usable | + |
Compare the closest 3 against the PDN 15SB40 →
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.