Monacor SP-385PAX
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 30 Hz |
| Qts | 0.285 |
| Qes | 0.3 |
| Qms | 5.86 |
| Vas | 365 L |
| Sd | 855 cm² |
| Xmax | 4.5 mm |
| Re | 6.5 Ω |
| Bl | 18 T·m |
| Mms | 79 g |
| Pe | 175 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 100 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 70.8 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 |
|---|---|---|---|---|---|---|---|---|
| Altec 4156-8A | 29 -1 | 0.28 = | 353.7 -11.3 | 4.3 -0.2 | 98 = | close | Xmax 4.3 mm < 4.5 mm: lower excursion-limited SPL | + |
| Davis 40RCA15 | 27 -3 | 0.282 = | 350 -15 | 5 +0.5 | 97.7 -0.3 | close | + | |
| Davis 40RCA15DF | 27 -3 | 0.282 = | 350 -15 | 5 +0.5 | 97.7 -0.3 | close | + | |
| Davis 40RCADF | 27 -3 | 0.282 = | 350 -15 | 5 +0.5 | 97.7 -0.3 | close | + | |
| Usher Audio 15HM Studio | 27 -3 | 0.28 = | 385 +20 | 5.9 +1.4 | 98 = | close | + | |
| Beyma 15XA38ND | 33 +3 | 0.288 = | 359 -6 | 6 +1.5 | 99 +1 | close | + | |
| ATC SB100-375SC | 30 = | 0.322 +0.04 | 380 +15 | 4.2 -0.3 | 98 = | close | 100 W vs 175 W: lower power handling · Xmax 4.2 mm < 4.5 mm: lower excursion-limited SPL | + |
| Focal AUDIOM 15B | 31.6 +1.6 | 0.282 = | 330 -35 | 6 +1.5 | 98.8 +0.8 | close | + | |
| Supravox 400 GMF PRO | 32 +2 | 0.263 -0.02 | 370 +5 | 4.8 +0.3 | 99.4 +1.4 | close | 120 W vs 175 W: lower power handling | + |
| Kenwood TRIO | 27 -3 | 0.27 -0.01 | 350 -15 | 5 +0.5 | 97.4 -0.6 | close | + |
Compare the closest 3 against the SP-385PAX →
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.