Tannoy 250/HF/III-L-Z/8/U
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 8 Ω |
| Fs | 26 Hz |
| Qts | 0.233 |
| Qes | 0.26 |
| Qms | 2.2 |
| Vas | 200 L |
| Sd | 360 cm² |
| Xmax | 4 mm |
| Re | 5.8 Ω |
| Bl | 11.1 T·m |
| Mms | 34 g |
| Pe | 30 W |
| Sensitivity | 94.7 dB |
Alignment hint
| EBP | 100 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 24.4 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 |
|---|---|---|---|---|---|---|---|---|
| SEAS 25F-EWX 8 | 26 = | 0.226 -0.01 | 175 -25 | 4 = | 94.5 -0.2 | close | + | |
| Tannoy HPD 295 | 26 = | 0.233 = | 200 = | 3 -1 | 94.7 = | close | Xmax 3 mm < 4 mm: lower excursion-limited SPL | + |
| Tannoy MONITOR GOLD 10 III-LZ | 26 = | 0.23 = | 200 = | 2.9 -1.1 | 94.7 = | close | 15 W vs 30 W: lower power handling · Xmax 2.9 mm < 4 mm: lower excursion-limited SPL | + |
| Audax PR240M6 v2014 | 25 -1 | 0.26 +0.03 | 207 +7 | 4 = | 94.1 -0.6 | close | + | |
| Audax MHD24P45TSM2CA14 | 27 +1 | 0.259 +0.03 | 209.6 +9.6 | 4 = | 94.1 -0.6 | close | + | |
| Audax HIF24HSMC-4CA12 v2 | 27 +1 | 0.243 +0.01 | 179.6 -20.4 | 5 +1 | 94 -0.7 | close | + | |
| Monacor SPH-255 | 23 -3 | 0.238 = | 205 +5 | 4.5 +0.5 | 93 -1.7 | close | + | |
| Audax HD24S45TSM-C-2CA14 | 27 +1 | 0.258 +0.02 | 178 -22 | 4 = | 94 -0.7 | close | + | |
| SEAS 25F-EWX | 26 = | 0.23 = | 175 -25 | 8 +4 | 92.9 -1.8 | close | + | |
| Focal 10C01-T | 29 +3 | 0.237 = | 175.6 -24.4 | 5.5 +1.5 | 95.4 +0.7 | close | + |
Compare the closest 3 against the 250/HF/III-L-Z/8/U →
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.