Monacor SPA-115PA
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 40 Hz |
| Qts | 0.397 |
| Qes | 0.41 |
| Qms | 12.97 |
| Vas | 184 L |
| Sd | 855 cm² |
| Xmax | 4 mm |
| Re | 5.8 Ω |
| Bl | 17.7 T·m |
| Mms | 88.2 g |
| Pe | 250 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 98 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 84.7 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 |
|---|---|---|---|---|---|---|---|---|
| Selenium 15PW5 | 40 = | 0.4 = | 190 +6 | 5.7 +1.7 | 98.3 +0.3 | close | + | |
| P.Audio 15BM-500B | 41 +1 | 0.374 -0.02 | 183.4 -0.6 | 4.8 +0.8 | 98.5 +0.5 | close | + | |
| Beyma SM115 | 42 +2 | 0.405 +0.01 | 185 +1 | 6.7 +2.7 | 98.2 +0.2 | close | + | |
| Beyma 15CXA400Fe | 40 = | 0.419 +0.02 | 191 +7 | 6 +2 | 97.6 -0.4 | close | + | |
| Radian 2216 | 38.7 -1.3 | 0.375 -0.02 | 183.9 -0.1 | 4.8 +0.8 | 97 -1 | close | + | |
| SICA 15 BP 3 SL | 41.9 +1.9 | 0.419 +0.02 | 191.6 +7.6 | 4 = | 98.7 +0.7 | close | + | |
| SICA P-A-SL15B3P | 41.9 +1.9 | 0.419 +0.02 | 191.6 +7.6 | 4 = | 98.7 +0.7 | close | + | |
| 18 Sound 15W750 | 40 = | 0.42 +0.02 | 182 -2 | 8 +4 | 98 = | close | 16 Ω vs 8 Ω: amp load changes | + |
| Fane SOVEREIGN 15-425 | 43 +3 | 0.417 +0.02 | 180.6 -3.4 | 4.6 +0.6 | 98.5 +0.5 | close | + | |
| Monacor SP-15/200PA | 42 +2 | 0.375 -0.02 | 197 +13 | 4.7 +0.7 | 98.2 +0.2 | close | + |
Compare the closest 3 against the SPA-115PA →
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.