Supravox 285 GMF vp4
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 50.1 Hz |
| Qts | 0.335 |
| Qes | 0.349 |
| Qms | 8.411 |
| Vas | 151 L |
| Sd | 471 cm² |
| Xmax | 3.9 mm |
| Re | 6.5 Ω |
| Bl | 11 T·m |
| Mms | 20.8 g |
| Pe | 70 W |
| Sensitivity | 100.2 dB |
Alignment hint
| EBP | 144 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 43.7 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 vp3 | 50.4 +0.3 | 0.325 -0.01 | 154 +3 | 3.9 = | 100.5 +0.3 | close | + | |
| Supravox 285 GMF vp wowo | 50.2 +0.1 | 0.323 -0.01 | 143 -8 | 3.7 -0.2 | 100.2 = | close | Xmax 3.7 mm < 3.9 mm: lower excursion-limited SPL | + |
| Supravox 285 GMF v2019 | 47.8 -2.3 | 0.327 -0.01 | 157 +6 | 4 +0.1 | 99.9 -0.3 | close | + | |
| Supravox 285 GMF vp8 | 52.2 +2.1 | 0.349 +0.01 | 152.5 +1.5 | 4 +0.1 | 100.7 +0.5 | close | + | |
| Supravox 285 GMF vp JTR 2 | 47.6 -2.5 | 0.335 = | 186 +35 | 4 +0.1 | 100.5 +0.3 | close | + | |
| Supravox 285 GMF vp2 | 48 -2.1 | 0.315 -0.02 | 172 +21 | 4 +0.1 | 100.5 +0.3 | close | + | |
| Supravox 285-2000EXC_09V | 53 +2.9 | 0.309 -0.03 | 156 +5 | 3.8 -0.1 | 101.5 +1.3 | close | Xmax 3.8 mm < 3.9 mm: lower excursion-limited SPL | + |
| Supravox 285 GMF v2008 | 47 -3.1 | 0.372 +0.04 | 150 -1 | 4 +0.1 | 98.9 -1.3 | close | + | |
| Supravox 285 GMF v2012 | 47 -3.1 | 0.372 +0.04 | 150 -1 | 4 +0.1 | 98.9 -1.3 | close | + | |
| Supravox 285-2000EXC_08V | 53 +2.9 | 0.393 +0.06 | 154 +3 | 4 +0.1 | 100.4 +0.2 | close | + |
Compare the closest 3 against the 285 GMF vp4 →
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.