Supravox 285 GMF vp3
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 50.4 Hz |
| Qts | 0.325 |
| Qes | 0.338 |
| Qms | 8.482 |
| Vas | 154 L |
| Sd | 471 cm² |
| Xmax | 3.9 mm |
| Re | 6.5 Ω |
| Bl | 11.1 T·m |
| Mms | 20.2 g |
| Pe | 70 W |
| Sensitivity | 100.5 dB |
Alignment hint
| EBP | 149 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 41.2 L |
EBP > 100: favours a ported (bass-reflex) 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 |
|---|---|---|---|---|---|---|---|---|
| Supravox 285 GMF vp4 | 50.1 -0.3 | 0.335 +0.01 | 151 -3 | 3.9 = | 100.2 -0.3 | close | + | |
| Supravox 285 GMF v2019 | 47.8 -2.6 | 0.327 = | 157 +3 | 4 +0.1 | 99.9 -0.6 | close | + | |
| Supravox 285 GMF vp wowo | 50.2 -0.2 | 0.323 = | 143 -11 | 3.7 -0.2 | 100.2 -0.3 | close | Xmax 3.7 mm < 3.9 mm: lower excursion-limited SPL | + |
| Supravox 285 GMF vp8 | 52.2 +1.8 | 0.349 +0.02 | 152.5 -1.5 | 4 +0.1 | 100.7 +0.2 | close | + | |
| Supravox 285 GMF vp2 | 48 -2.4 | 0.315 -0.01 | 172 +18 | 4 +0.1 | 100.5 = | close | + | |
| Supravox 285-2000EXC_09V | 53 +2.6 | 0.309 -0.02 | 156 +2 | 3.8 -0.1 | 101.5 +1 | close | Xmax 3.8 mm < 3.9 mm: lower excursion-limited SPL | + |
| Supravox 285 GMF vp1 | 47.2 -3.2 | 0.308 -0.02 | 174 +20 | 4 +0.1 | 100.4 -0.1 | close | + | |
| Supravox 285 GMF vp JTR 2 | 47.6 -2.8 | 0.335 +0.01 | 186 +32 | 4 +0.1 | 100.5 = | close | + | |
| Supravox 285-2000EXC_08V | 53 +2.6 | 0.393 +0.07 | 154 = | 4 +0.1 | 100.4 -0.1 | close | + | |
| Supravox 285 GMF v2013 | 48 -2.4 | 0.29 -0.04 | 175 +21 | 4 +0.1 | 100.9 +0.4 | close | + |
Compare the closest 3 against the 285 GMF vp3 →
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.