Monacor SP-12/100PA v4
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 52.5 Hz |
| Qts | 0.462 |
| Qes | 0.5 |
| Qms | 6.12 |
| Vas | 77.3 L |
| Sd | 539.1 cm² |
| Xmax | 3.3 mm |
| Re | 6.4 Ω |
| Bl | 14.3 T·m |
| Mms | 48.4 g |
| Pe | 100 W |
| Sensitivity | 96.4 dB |
Alignment hint
| EBP | 105 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 57.6 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 |
|---|---|---|---|---|---|---|---|---|
| Monacor SP-12/100PA v1 | 53.3 +0.8 | 0.472 +0.01 | 74.8 -2.5 | 3.3 = | 96.4 = | close | + | |
| Monacor SP-12/100PA v2 | 52.5 = | 0.481 +0.02 | 81.6 +4.3 | 3.4 +0.1 | 96.4 = | close | + | |
| LaVoce FBASS12-20 | 53 +0.5 | 0.46 = | 75.41 -1.89 | 4.3 +1 | 97 +0.6 | close | + | |
| Davis 31TCA12 vn2 | 51.8 -0.7 | 0.484 +0.02 | 78.4 +1.1 | 4.6 +1.3 | 96 -0.4 | close | + | |
| Davis 31TCA12 vp2015 n1 | 51.8 -0.7 | 0.484 +0.02 | 78.4 +1.1 | 4.6 +1.3 | 96 -0.4 | close | + | |
| Monacor SPA-112PA | 53 +0.5 | 0.497 +0.03 | 77 -0.3 | 4 +0.7 | 97.1 +0.7 | close | + | |
| the box Speaker 12-280/8-A | 50.6 -1.9 | 0.472 +0.01 | 72.8 -4.5 | 5.5 +2.2 | 96.1 -0.3 | close | + | |
| Davis 31TCA12 N1 | 51.1 -1.4 | 0.479 +0.02 | 84.1 +6.8 | 4.7 +1.4 | 96.1 -0.3 | close | + | |
| Radian CRS1230 | 48 -4.5 | 0.464 = | 76 -1.3 | 5.5 +2.2 | 95.8 -0.6 | close | + | |
| Audax PR330T0 | 55 +2.5 | 0.435 -0.03 | 73.7 -3.6 | 3.7 +0.4 | 97.3 +0.9 | close | + |
Compare the closest 3 against the SP-12/100PA v4 →
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.