Monacor SPH-255 vp
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 8 Ω |
| Fs | 32.4 Hz |
| Qts | 0.383 |
| Qes | 0.434 |
| Qms | 3.245 |
| Vas | 74.1 L |
| Sd | 346 cm² |
| Xmax | 4.5 mm |
| Re | 6.54 Ω |
| Bl | 12.9 T·m |
| Mms | 54.6 g |
| Pe | 100 W |
| Sensitivity | 90.5 dB |
Alignment hint
| EBP | 75 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 30.8 L |
EBP 50-100: works in either a sealed or ported 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 |
|---|---|---|---|---|---|---|---|---|
| JBL LE10H-1 | 33 +0.6 | 0.369 -0.01 | 76.5 +2.4 | 5 +0.5 | 92.7 +2.2 | close | 60 W vs 100 W: lower power handling | + |
| JBL LE10H | 33 +0.6 | 0.369 -0.01 | 76.5 +2.4 | 5 +0.5 | 92.7 +2.2 | close | 60 W vs 100 W: lower power handling | + |
| STX W.25.200.8.MC | 32 -0.4 | 0.435 +0.05 | 79 +4.9 | 4.5 = | 90.7 +0.2 | close | + | |
| JBL P1000 | 30 -2.4 | 0.382 = | 71 -3.1 | 7.8 +3.3 | 91.2 +0.7 | close | + | |
| Audax PR240Z0 vp | 31 -1.4 | 0.377 -0.01 | 82 +7.9 | 4 -0.5 | 91.2 +0.7 | close | Xmax 4 mm < 4.5 mm: lower excursion-limited SPL | + |
| Tang Band WT-644F | 32 -0.4 | 0.357 -0.03 | 77 +2.9 | 7.9 +3.4 | 91.3 +0.8 | close | + | |
| Dayton Audio DSA270-8 | 29.6 -2.8 | 0.384 = | 88.1 +14 | 5.5 +1 | 90.6 +0.1 | close | + | |
| Sica 10 H 2 CS | 30.3 -2.1 | 0.37 -0.01 | 84.3 +10.2 | 6 +1.5 | 90.8 +0.3 | close | + | |
| SEAS W26FX002 | 31 -1.4 | 0.397 +0.01 | 87 +12.9 | 6.5 +2 | 90.5 = | close | + | |
| ATC SB75-234 SC vp #22306 | 31 -1.4 | 0.324 -0.06 | 76 +1.9 | 5 +0.5 | 90.3 -0.2 | close | 75 W vs 100 W: lower power handling | + |
Compare the closest 3 against the SPH-255 vp →
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.