Monacor SP-15/300PA
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 38 Hz |
| Qts | 0.275 |
| Qes | 0.29 |
| Qms | 5.44 |
| Vas | 232 L |
| Sd | 855 cm² |
| Xmax | 3 mm |
| Re | 6.8 Ω |
| Bl | 20.8 T·m |
| Mms | 77.5 g |
| Pe | 300 W |
| Sensitivity | 99.1 dB |
Alignment hint
| EBP | 131 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 41.3 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 |
|---|---|---|---|---|---|---|---|---|
| Beyma 15G300 | 37 -1 | 0.28 +0.01 | 234 +2 | 4 +1 | 99.2 +0.1 | close | + | |
| P.Audio E15-300S v2015 | 39 +1 | 0.287 +0.01 | 228.8 -3.2 | 4.3 +1.3 | 99.5 +0.4 | close | + | |
| P.Audio E 300S | 39 +1 | 0.287 +0.01 | 228 -4 | 4.3 +1.3 | 99.5 +0.4 | close | + | |
| P.Audio E15-300S2 | 39 +1 | 0.29 +0.01 | 228.84 -3.16 | 4.3 +1.3 | 98.4 -0.7 | close | + | |
| B&C 15 HCX 76 | 38 = | 0.285 +0.01 | 243.5 +11.5 | 4.5 +1.5 | 100.4 +1.3 | close | + | |
| B&C 15 CXN 76 | 38 = | 0.285 +0.01 | 246 +14 | 4.5 +1.5 | 100.5 +1.4 | close | + | |
| Beyma 15XA38Nd v2020 | 38 = | 0.296 +0.02 | 238 +6 | 6 +3 | 99 -0.1 | close | + | |
| Ciare 15.75 NdW vp | 37.7 -0.3 | 0.286 +0.01 | 215 -17 | 5 +2 | 99.7 +0.6 | close | + | |
| Monacor SP-15/400PA | 35 -3 | 0.274 = | 220 -12 | 2.8 -0.2 | 98 -1.1 | close | Xmax 2.8 mm < 3 mm: lower excursion-limited SPL | + |
| Monacor SP-15A/400PA | 35 -3 | 0.274 = | 220 -12 | 2.8 -0.2 | 98 -1.1 | close | Xmax 2.8 mm < 3 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the SP-15/300PA →
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.