Usher Audio 1001B
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 8 Ω |
| Fs | 29 Hz |
| Qts | 0.387 |
| Qes | 0.42 |
| Qms | 4.87 |
| Vas | 100.2 L |
| Sd | 330 cm² |
| Xmax | 5 mm |
| Re | 5.8 Ω |
| Bl | 10.7 T·m |
| Mms | 45.9 g |
| Pe | 100 W |
| Sensitivity | 91 dB |
Alignment hint
| EBP | 69 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 42.8 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 |
|---|---|---|---|---|---|---|---|---|
| ATC SB75-234 SC | 30 +1 | 0.387 = | 92 -8.2 | 5 = | 90.8 -0.2 | close | 75 W vs 100 W: lower power handling | + |
| ATC SB75-234 SC vp old stock | 30 +1 | 0.387 = | 92 -8.2 | 5 = | 90.8 -0.2 | close | 75 W vs 100 W: lower power handling | + |
| Dayton Audio DSA270-8 | 29.6 +0.6 | 0.384 = | 88.1 -12.1 | 5.5 +0.5 | 90.6 -0.4 | close | + | |
| JBL LE10A | 30 +1 | 0.41 +0.02 | 101.9 +1.7 | 6.1 +1.1 | 92.5 +1.5 | close | 60 W vs 100 W: lower power handling | + |
| Volt B250 | 31.7 +2.7 | 0.377 -0.01 | 104 +3.8 | 6 +1 | 92.8 +1.8 | close | + | |
| Sica 10 H 2 CS | 30.3 +1.3 | 0.37 -0.02 | 84.3 -15.9 | 6 +1 | 90.8 -0.2 | close | + | |
| SEAS W26FX002 | 31 +2 | 0.397 +0.01 | 87 -13.2 | 6.5 +1.5 | 90.5 -0.5 | close | + | |
| Eton 11-581/50HEX vp | 25 -4 | 0.364 -0.02 | 99.8 -0.4 | 5 = | 89.9 -1.1 | close | + | |
| Focal 11V 7511 v2008 | 30.8 +1.8 | 0.362 -0.03 | 94.3 -5.9 | 8 +3 | 91.5 +0.5 | close | + | |
| Sony XS-L100C | 28.1 -0.9 | 0.362 -0.03 | 104 +3.8 | 6.3 +1.3 | 93.4 +2.4 | close | 4 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the 1001B →
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.