Supravox 285 T vp2020
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 58.6 Hz |
| Qts | 0.81 |
| Qes | 0.903 |
| Qms | 7.819 |
| Vas | 134.7 L |
| Sd | 452.2 cm² |
| Xmax | 1.8 mm |
| Re | 5.73 Ω |
| Bl | 6.1 T·m |
| Mms | 15.7 g |
| Pe | 12 W |
| Sensitivity | 98.2 dB |
Alignment hint
| EBP | 65 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | Qts too high |
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 |
|---|---|---|---|---|---|---|---|---|
| Fostex PS 300 | 58 -0.6 | 0.857 +0.05 | 102.2 -32.5 | 1.9 +0.1 | 95.8 -2.4 | usable | + | |
| Eminence ALPHA-12A | 49 -9.6 | 0.77 -0.04 | 121.5 -13.2 | 2.4 +0.6 | 95.6 -2.6 | usable | + | |
| Audax PR300T0 | 48 -10.6 | 0.824 +0.01 | 142 +7.3 | 3.5 +1.7 | 95.4 -2.8 | usable | + | |
| Eminence ALPHA 12 | 49 -9.6 | 0.775 -0.04 | 121.5 -13.2 | 2.4 +0.6 | 95.1 -3.1 | usable | + | |
| Eminence ALPHA 12 A | 49 -9.6 | 0.775 -0.04 | 121.5 -13.2 | 2.4 +0.6 | 95.1 -3.1 | usable | + | |
| Eminence ALPHA 12A | 49 -9.6 | 0.77 -0.04 | 121.5 -13.2 | 2.4 +0.6 | 93.9 -4.3 | usable | + | |
| Supravox 285-2000EXC_06V | 53 -5.6 | 0.639 -0.17 | 154 +19.3 | 4 +2.2 | 98.2 = | usable | + | |
| Beyma 12AG | 60 +1.4 | 0.709 -0.1 | 92 -42.7 | 1.5 -0.3 | 96.3 -1.9 | usable | Xmax 1.5 mm < 1.8 mm: lower excursion-limited SPL | + |
| Fane SOVEREIGN 12-125 | 47 -11.6 | 0.796 -0.01 | 113.2 -21.5 | 4.9 +3.1 | 93.8 -4.4 | usable | + | |
| Fane 12 W vp | 53.6 -5 | 0.598 -0.21 | 160 +25.3 | 5 +3.2 | 99.2 +1 | usable | + |
Compare the closest 3 against the 285 T vp2020 →
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.