Monacor SP-310PA
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 48 Hz |
| Qts | 0.248 |
| Qes | 0.27 |
| Qms | 3.1 |
| Vas | 111 L |
| Sd | 510 cm² |
| Xmax | 2.5 mm |
| Re | 6.4 Ω |
| Bl | 16.1 T·m |
| Mms | 36.1 g |
| Pe | 200 W |
| Sensitivity | 99.5 dB |
Alignment hint
| EBP | 178 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 15.6 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 |
|---|---|---|---|---|---|---|---|---|
| Altec ER-12 | 47.7 -0.3 | 0.256 +0.01 | 121.2 +10.2 | 2.5 = | 99.6 +0.1 | close | + | |
| Peavey 1202-4 v1993 | 47.1 -0.9 | 0.252 = | 100 -11 | 2.6 +0.1 | 100.5 +1 | close | + | |
| B&C 12 PL 32 | 49 +1 | 0.249 = | 97 -14 | 3.5 +1 | 100.2 +0.7 | close | + | |
| B&C 12 PL 32 8 Ohms | 49 +1 | 0.249 = | 97 -14 | 3.5 +1 | 100.2 +0.7 | close | + | |
| Eminence KAPPA-12A | 45 -3 | 0.27 +0.02 | 112.1 +1.1 | 3.2 +0.7 | 99.3 -0.2 | close | + | |
| Eminence KAPPA 12 | 45 -3 | 0.27 +0.02 | 112.1 +1.1 | 3.2 +0.7 | 99.3 -0.2 | close | + | |
| Eminence KAPPA 12 A | 45 -3 | 0.27 +0.02 | 112.1 +1.1 | 3.2 +0.7 | 99.3 -0.2 | close | + | |
| Eighteen Sound 12ND520 | 50 +2 | 0.27 +0.02 | 111 = | 4 +1.5 | 98.7 -0.8 | close | + | |
| 18 Sound 12NDA520 | 50 +2 | 0.27 +0.02 | 111 = | 4 +1.5 | 100.5 +1 | close | + | |
| 18 Sound 12MB700 | 46 -2 | 0.25 = | 100 -11 | 4.5 +2 | 100.5 +1 | close | 16 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the SP-310PA →
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.