Monacor SPP-250
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 8 Ω |
| Fs | 30 Hz |
| Qts | 0.906 |
| Qes | 1.25 |
| Qms | 3.29 |
| Vas | 155 L |
| Sd | 346 cm² |
| Xmax | 3.5 mm |
| Re | 6.5 Ω |
| Bl | 5.5 T·m |
| Mms | 30.5 g |
| Pe | 37 W |
| Sensitivity | 88.1 dB |
Alignment hint
| EBP | 24 · 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 |
|---|---|---|---|---|---|---|---|---|
| Monacor SP-250 | 30 = | 0.906 = | 155 = | 3.5 = | 88.1 = | close | + | |
| Visaton W250NG | 37 +7 | 0.876 -0.03 | 120 -35 | 6.1 +2.6 | 90.2 +2.1 | usable | + | |
| Audax HIF24FSMC-2CA12 v2 | 29 -1 | 0.661 -0.24 | 171.6 +16.6 | 5 +1.5 | 90.1 +2 | usable | + | |
| Visaton W250 8 Ohms | 37 +7 | 0.781 -0.12 | 135 -20 | 5 +1.5 | 91 +2.9 | usable | + | |
| Morel MW 1075 | 29 -1 | 0.622 -0.28 | 123 -32 | 4.3 +0.8 | 88.6 +0.5 | usable | + | |
| Philips AD10672/W8 | 27 -3 | 0.622 -0.28 | 142 -13 | 3 -0.5 | 88.4 +0.3 | usable | Xmax 3 mm < 3.5 mm: lower excursion-limited SPL | + |
| Jamo 22320 | 35 +5 | 1.059 +0.15 | 122.6 -32.4 | 4 +0.5 | 92.1 +4 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| Visaton WS27AW | 38 +8 | 0.902 = | 105 -50 | 7.7 +4.2 | 89.7 +1.6 | usable | + | |
| Audax HIF24FSMC-2CA12 | 29 -1 | 0.661 -0.24 | 196.5 +41.5 | 3 -0.5 | 90.7 +2.6 | usable | Xmax 3 mm < 3.5 mm: lower excursion-limited SPL | + |
| Audax HIF24F-2CA12 | 35 +5 | 0.694 -0.21 | 191.8 +36.8 | 3.5 = | 92.3 +4.2 | usable | + |
Compare the closest 3 against the SPP-250 →
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.