Monacor SP-12/100PA v3
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 56.4 Hz |
| Qts | 0.491 |
| Qes | 0.53 |
| Qms | 6.61 |
| Vas | 66.7 L |
| Sd | 539.1 cm² |
| Xmax | 3 mm |
| Re | 6.4 Ω |
| Bl | 14.4 T·m |
| Mms | 48.6 g |
| Pe | 100 W |
| Sensitivity | 96.5 dB |
Alignment hint
| EBP | 106 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 62.1 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 |
|---|---|---|---|---|---|---|---|---|
| B&C 12 NCX | 59 +2.6 | 0.51 +0.02 | 64 -2.7 | 3 = | 96.9 +0.4 | close | + | |
| Celestion BN12-300X | 56.2 -0.2 | 0.479 -0.01 | 61.2 -5.5 | 4 +1 | 96.1 -0.4 | close | + | |
| RCF L 12/565 | 55 -1.4 | 0.497 +0.01 | 75 +8.3 | 3.8 +0.8 | 97.3 +0.8 | close | + | |
| RCF L12CX2K | 59.7 +3.3 | 0.46 -0.03 | 65 -1.7 | 4 +1 | 96.3 -0.2 | close | 75 W vs 100 W: lower power handling | + |
| Monacor SP-12/100PA v1 | 53.3 -3.1 | 0.472 -0.02 | 74.8 +8.1 | 3.3 +0.3 | 96.4 -0.1 | close | + | |
| Eminence DELTA 12 LF v2 | 51 -5.4 | 0.477 -0.01 | 67.9 +1.2 | 4.6 +1.6 | 95.7 -0.8 | close | + | |
| Eminence DELTA 12 LFA | 51 -5.4 | 0.477 -0.01 | 67.9 +1.2 | 4.8 +1.8 | 95.7 -0.8 | close | + | |
| Monacor SP-12/100PA | 55 -1.4 | 0.456 -0.03 | 68 +1.3 | 2.5 -0.5 | 96.1 -0.4 | close | Xmax 2.5 mm < 3 mm: lower excursion-limited SPL | + |
| Monacor SPA-112PA | 53 -3.4 | 0.497 +0.01 | 77 +10.3 | 4 +1 | 97.1 +0.6 | close | + | |
| JB Systems PWX12-200 | 59.4 +3 | 0.474 -0.02 | 55.5 -11.2 | 3.6 +0.6 | 96.5 = | close | + |
Compare the closest 3 against the SP-12/100PA v3 →
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.