Monacor SP-302PA-8
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 45 Hz |
| Qts | 0.881 |
| Qes | 1.47 |
| Qms | 2.2 |
| Vas | 51 L |
| Sd | 542 cm² |
| Xmax | 2.3 mm |
| Re | 7.7 Ω |
| Bl | 12.2 T·m |
| Mms | 101 g |
| Pe | 100 W |
| Sensitivity | 87.1 dB |
Alignment hint
| EBP | 31 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | Qts too high |
EBP < 50: favours a sealed (closed) 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 |
|---|---|---|---|---|---|---|---|---|
| Visaton WS32AW | 45 = | 0.857 -0.02 | 47 -4 | 3.7 +1.4 | 88.9 +1.8 | close | + | |
| Fountek FW300DV vp 2 aimants | 46.3 +1.3 | 0.885 = | 43 -8 | 4.2 +1.9 | 88.4 +1.3 | close | + | |
| MCM Electronics 55-5725 | 39.3 -5.7 | 0.709 -0.17 | 53.4 +2.4 | 2.5 +0.2 | 86.2 -0.9 | usable | + | |
| Selenium 12SW13ADVC 4+4 | 37 -8 | 0.854 -0.03 | 47 -4 | 7 +4.7 | 86.2 -0.9 | usable | + | |
| Fountek FW300 | 37.3 -7.7 | 0.783 -0.1 | 50.1 -0.9 | 5.5 +3.2 | 89.8 +2.7 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| STX F30.300.8.MC | 55 +10 | 1.045 +0.16 | 57 +6 | 2.4 +0.1 | 89.7 +2.6 | usable | + | |
| Fonestar FPW 350 | 52 +7 | 0.876 -0.01 | 65 +14 | 3.7 +1.4 | 91.8 +4.7 | usable | + | |
| Pioneer PAX30G vp2 | 42.1 -2.9 | 0.879 = | 92.7 +41.7 | 3 +0.7 | 88.2 +1.1 | usable | 16 Ω vs 8 Ω: amp load changes · 60 W vs 100 W: lower power handling | + |
| Pioneer TS-W310D4 | 37 -8 | 0.778 -0.1 | 37.4 -13.6 | 6.2 +3.9 | 87 -0.1 | usable | + | |
| Davis 31ST12 | 31 -14 | 0.813 -0.07 | 58 +7 | 4.1 +1.8 | 85.2 -1.9 | usable | + |
Compare the closest 3 against the SP-302PA-8 →
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.