Monacor SP-30PATC
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 47 Hz |
| Qts | 0.277 |
| Qes | 0.3 |
| Qms | 3.69 |
| Vas | 107 L |
| Sd | 510 cm² |
| Xmax | 2 mm |
| Re | 5.2 Ω |
| Bl | 14.1 T·m |
| Mms | 39.1 g |
| Pe | 200 W |
| Sensitivity | 99.5 dB |
Alignment hint
| EBP | 157 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 19.4 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 |
|---|---|---|---|---|---|---|---|---|
| Monacor SP-30PACT | 47 = | 0.277 = | 107 = | 2 = | 99.5 = | close | + | |
| Eminence KAPPA-12A | 45 -2 | 0.27 -0.01 | 112.1 +5.1 | 3.2 +1.2 | 99.3 -0.2 | close | + | |
| Eminence KAPPA 12 | 45 -2 | 0.27 -0.01 | 112.1 +5.1 | 3.2 +1.2 | 99.3 -0.2 | close | + | |
| Eminence KAPPA 12 A | 45 -2 | 0.27 -0.01 | 112.1 +5.1 | 3.2 +1.2 | 99.3 -0.2 | close | + | |
| Monacor SP-310PA | 48 +1 | 0.248 -0.03 | 111 +4 | 2.5 +0.5 | 99.5 = | close | + | |
| Altec ER-12 | 47.7 +0.7 | 0.256 -0.02 | 121.2 +14.2 | 2.5 +0.5 | 99.6 +0.1 | close | + | |
| Peavey 1202-4 v1993 | 47.1 +0.1 | 0.252 -0.03 | 100 -7 | 2.6 +0.6 | 100.5 +1 | close | + | |
| PHL Audio 4550 | 45 -2 | 0.289 +0.01 | 106 -1 | 4 +2 | 98.3 -1.2 | close | + | |
| Eighteen Sound 12ND520 | 50 +3 | 0.27 -0.01 | 111 +4 | 4 +2 | 98.7 -0.8 | close | + | |
| 18 Sound 12NDA520 | 50 +3 | 0.27 -0.01 | 111 +4 | 4 +2 | 100.5 +1 | close | + |
Compare the closest 3 against the SP-30PATC →
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.