Monacor SPA-38PA
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 37 Hz |
| Qts | 0.452 |
| Qes | 0.55 |
| Qms | 2.54 |
| Vas | 230 L |
| Sd | 855 cm² |
| Xmax | 3 mm |
| Re | 6 Ω |
| Bl | 14.5 T·m |
| Mms | 82.4 g |
| Pe | 250 W |
| Sensitivity | 96.5 dB |
Alignment hint
| EBP | 67 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 158.9 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 |
|---|---|---|---|---|---|---|---|---|
| Eminence LEGEND B15 | 40 +3 | 0.451 = | 215.1 -14.9 | 3 = | 97.5 +1 | close | + | |
| Eminence BASSLITE C2515 | 38 +1 | 0.45 = | 260 +30 | 4.5 +1.5 | 96.4 -0.1 | close | 4 Ω vs 8 Ω: amp load changes | + |
| Eminence Kl3015CX-8 | 38 +1 | 0.438 -0.01 | 219.3 -10.7 | 4.3 +1.3 | 97.5 +1 | close | + | |
| Celestion PULSE 15 | 35.7 -1.3 | 0.431 -0.02 | 246.7 +16.7 | 4.8 +1.8 | 97.2 +0.7 | close | + | |
| Eminence DELTA 15LFA | 39 +2 | 0.48 +0.03 | 241 +11 | 4.8 +1.8 | 96 -0.5 | close | + | |
| Celestion PULSE15 | 35.7 -1.3 | 0.431 -0.02 | 246.7 +16.7 | 4.75 +1.75 | 95.6 -0.9 | close | + | |
| Monacor SP-385G | 35 -2 | 0.473 +0.02 | 260 +30 | 4 +1 | 96.2 -0.3 | close | 175 W vs 250 W: lower power handling | + |
| Faital PRO 15PR300 | 35 -2 | 0.48 +0.03 | 220.1 -9.9 | 5.23 +2.23 | 97 +0.5 | close | + | |
| Eminence DELTA 15 LFA | 39 +2 | 0.48 +0.03 | 241 +11 | 4.8 +1.8 | 97.5 +1 | close | + | |
| Monacor SP-38/300NEO | 36 -1 | 0.43 -0.02 | 265 +35 | 3.5 +0.5 | 97.8 +1.3 | close | + |
Compare the closest 3 against the SPA-38PA →
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.