Monacor SP-38A/300NEO
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 44 Hz |
| Qts | 0.313 |
| Qes | 0.34 |
| Qms | 4.02 |
| Vas | 164 L |
| Sd | 854 cm² |
| Xmax | 3.5 mm |
| Re | 5.2 Ω |
| Bl | 18.6 T·m |
| Mms | 81.6 g |
| Pe | 300 W |
| Sensitivity | 100 dB |
Alignment hint
| EBP | 129 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 40 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 |
|---|---|---|---|---|---|---|---|---|
| Peavey 1505 DT vp 1993 rouge | 43.6 -0.4 | 0.318 +0.01 | 171.5 +7.5 | 5.1 +1.6 | 99.8 -0.2 | close | + | |
| Beyma 15GF200 | 44 = | 0.31 = | 191 +27 | 3.8 +0.3 | 100.5 +0.5 | close | + | |
| P.Audio C15-400B | 42.9 -1.1 | 0.329 +0.02 | 177.3 +13.3 | 3.3 -0.2 | 99.8 -0.2 | close | Xmax 3.3 mm < 3.5 mm: lower excursion-limited SPL | + |
| Dayton Audio APOLLO 15N | 44 = | 0.329 +0.02 | 154.7 -9.3 | 6.3 +2.8 | 99.3 -0.7 | close | + | |
| B&C 15 PK 40 | 47 +3 | 0.31 = | 140 -24 | 4 +0.5 | 100.4 +0.4 | close | + | |
| Beyma 15 GF 200 | 45 +1 | 0.324 +0.01 | 141 -23 | 4 +0.5 | 99.1 -0.9 | close | + | |
| Beyma 15M300v2 vp | 45 +1 | 0.297 -0.02 | 185 +21 | 4.9 +1.4 | 100.4 +0.4 | close | + | |
| Ciare PW389 | 45 +1 | 0.323 +0.01 | 138 -26 | 4.3 +0.8 | 99.4 -0.6 | close | + | |
| DAS Audio 15HM | 43 -1 | 0.279 -0.03 | 178 +14 | 4 +0.5 | 100.4 +0.4 | close | + | |
| PHL Audio 5381M | 43 -1 | 0.278 -0.03 | 180 +16 | 4 +0.5 | 100.2 +0.2 | close | + |
Compare the closest 3 against the SP-38A/300NEO →
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.