Supravox 285 GMF vp7
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 56.3 Hz |
| Qts | 0.369 |
| Qes | 0.38 |
| Qms | 12.9 |
| Vas | 137.5 L |
| Sd | 471 cm² |
| Xmax | 3.8 mm |
| Re | 6.6 Ω |
| Bl | 10.5 T·m |
| Mms | 18.1 g |
| Pe | 70 W |
| Sensitivity | 100.9 dB |
Alignment hint
| EBP | 148 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 51.5 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 vp8 | 52.2 -4.1 | 0.349 -0.02 | 152.5 +15 | 4 +0.2 | 100.7 -0.2 | close | + | |
| Supravox 285-2000EXC_08V | 53 -3.3 | 0.393 +0.02 | 154 +16.5 | 4 +0.2 | 100.4 -0.5 | close | + | |
| Supravox 285 GMF vp4 | 50.1 -6.2 | 0.335 -0.03 | 151 +13.5 | 3.9 +0.1 | 100.2 -0.7 | close | + | |
| Supravox 285 GMF vp wowo | 50.2 -6.1 | 0.323 -0.05 | 143 +5.5 | 3.7 -0.1 | 100.2 -0.7 | close | Xmax 3.7 mm < 3.8 mm: lower excursion-limited SPL | + |
| Supravox 285 GMF v2008 | 47 -9.3 | 0.372 = | 150 +12.5 | 4 +0.2 | 98.9 -2 | close | + | |
| Supravox 285 GMF v2012 | 47 -9.3 | 0.372 = | 150 +12.5 | 4 +0.2 | 98.9 -2 | close | + | |
| Supravox 285 GMF vp3 | 50.4 -5.9 | 0.325 -0.04 | 154 +16.5 | 3.9 +0.1 | 100.5 -0.4 | close | + | |
| Radian 5312 vp | 57.9 +1.6 | 0.36 -0.01 | 101.3 -36.2 | 5.5 +1.7 | 100.4 -0.5 | close | + | |
| 18 Sound 12W500 | 46 -10.3 | 0.36 -0.01 | 123 -14.5 | 4 +0.2 | 99.5 -1.4 | close | + | |
| 18 Sound 12W501 | 46 -10.3 | 0.369 = | 123 -14.5 | 4 +0.2 | 98.7 -2.2 | close | + |
Compare the closest 3 against the 285 GMF vp7 →
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.