P.Audio E 300S
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 39 Hz |
| Qts | 0.287 |
| Qes | 0.3 |
| Qms | 6.66 |
| Vas | 228 L |
| Sd | 855 cm² |
| Xmax | 4.3 mm |
| Re | 6.4 Ω |
| Bl | 19.8 T·m |
| Mms | 74.9 g |
| Pe | 300 W |
| Sensitivity | 99.5 dB |
Alignment hint
| EBP | 130 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 45 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 |
|---|---|---|---|---|---|---|---|---|
| P.Audio E15-300S v2015 | 39 = | 0.287 = | 228.8 +0.8 | 4.3 = | 99.5 = | close | + | |
| P.Audio E15-300S2 | 39 = | 0.29 = | 228.84 +0.84 | 4.3 = | 98.4 -1.1 | close | + | |
| Ciare 15.75 NdW vp | 37.7 -1.3 | 0.286 = | 215 -13 | 5 +0.7 | 99.7 +0.2 | close | + | |
| B&C 15 HCX 76 | 38 -1 | 0.285 = | 243.5 +15.5 | 4.5 +0.2 | 100.4 +0.9 | close | + | |
| B&C 15 CXN 76 | 38 -1 | 0.285 = | 246 +18 | 4.5 +0.2 | 100.5 +1 | close | + | |
| Beyma 15G300 | 37 -2 | 0.28 -0.01 | 234 +6 | 4 -0.3 | 99.2 -0.3 | close | Xmax 4 mm < 4.3 mm: lower excursion-limited SPL | + |
| Beyma 15XA38Nd v2020 | 38 -1 | 0.296 +0.01 | 238 +10 | 6 +1.7 | 99 -0.5 | close | + | |
| Beyma 15MI100 v2014 | 37 -2 | 0.287 = | 264 +36 | 4.5 +0.2 | 99.6 +0.1 | close | + | |
| 18 Sound 15NMB420 | 42 +3 | 0.29 = | 225 -3 | 6.5 +2.2 | 99 -0.5 | close | + | |
| Davis 40XXXL | 35.6 -3.4 | 0.287 = | 211.1 -16.9 | 5.5 +1.2 | 99.2 -0.3 | close | + |
Compare the closest 3 against the E 300S →
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.