Monacor SP-12A/302PA
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 50 Hz |
| Qts | 0.335 |
| Qes | 0.35 |
| Qms | 7.87 |
| Vas | 77 L |
| Sd | 530 cm² |
| Xmax | 5 mm |
| Re | 6.4 Ω |
| Bl | 17.3 T·m |
| Mms | 51.8 g |
| Pe | 300 W |
| Sensitivity | 97.3 dB |
Alignment hint
| EBP | 143 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 22.3 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 |
|---|---|---|---|---|---|---|---|---|
| RCF MB 12N251 | 50 = | 0.338 = | 83 +6 | 5 = | 98.5 +1.2 | close | + | |
| B&C 12 FCX 76 | 47 -3 | 0.339 = | 82 +5 | 5 = | 97.6 +0.3 | close | + | |
| Faital PRO 12PR300 v2015 | 50 = | 0.357 +0.02 | 79.2 +2.2 | 4.9 -0.1 | 98 +0.7 | close | Xmax 4.9 mm < 5 mm: lower excursion-limited SPL | + |
| SICA PL 12 B 3 S | 46.7 -3.3 | 0.356 +0.02 | 79.3 +2.3 | 5.5 +0.5 | 97.1 -0.2 | close | + | |
| 18 Sound 12MB606 | 50 = | 0.323 -0.01 | 84 +7 | 6.4 +1.4 | 98.3 +1 | close | + | |
| Eminence DELTA PRO 12 A | 51 +1 | 0.353 +0.02 | 81.7 +4.7 | 6.2 +1.2 | 98.1 +0.8 | close | + | |
| Eminence DELTA PRO 12 A vp | 51 +1 | 0.353 +0.02 | 81.7 +4.7 | 6.2 +1.2 | 98.1 +0.8 | close | + | |
| LaVoce NBASS12-30-16 | 48 -2 | 0.34 +0.01 | 69.83 -7.17 | 7.3 +2.3 | 97.5 +0.2 | close | 16 Ω vs 8 Ω: amp load changes | + |
| LaVoce WSF122.50 | 50 = | 0.32 -0.02 | 72 -5 | 4.4 -0.6 | 97.8 +0.5 | close | Xmax 4.4 mm < 5 mm: lower excursion-limited SPL | + |
| Eminence KAPPALITE 3012 H0 | 51.5 +1.5 | 0.318 -0.02 | 81.1 +4.1 | 5.8 +0.8 | 98.9 +1.6 | close | + |
Compare the closest 3 against the SP-12A/302PA →
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.