Supravox 285 GMF vp deadharo
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 37.9 Hz |
| Qts | 0.278 |
| Qes | 0.29 |
| Qms | 6.85 |
| Vas | 263 L |
| Sd | 442.6 cm² |
| Xmax | 4 mm |
| Re | 5.86 Ω |
| Bl | 9.4 T·m |
| Mms | 18.4 g |
| Pe | 70 W |
| Sensitivity | 100.3 dB |
Alignment hint
| EBP | 131 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 48.1 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 |
|---|---|---|---|---|---|---|---|---|
| Monacor SP-305PA | 35 -2.9 | 0.283 = | 315 +52 | 5.3 +1.3 | 99.8 -0.5 | close | + | |
| Goodmans AXIOM 301 vp | 36.4 -1.5 | 0.277 = | 234.1 -28.9 | 3.2 -0.8 | 98 -2.3 | close | 40 W vs 70 W: lower power handling · Xmax 3.2 mm < 4 mm: lower excursion-limited SPL | + |
| Davis 31TK12 | 38.1 +0.2 | 0.314 +0.04 | 216 -47 | 5 +1 | 98 -2.3 | usable | + | |
| Audax PR330M0 | 28 -9.9 | 0.269 -0.01 | 264 +1 | 4 = | 96.5 -3.8 | usable | + | |
| Davis 31TCA12 v2012 | 38 +0.1 | 0.333 +0.05 | 216 -47 | 6 +2 | 97.9 -2.4 | usable | + | |
| Supravox 285 GMF vp JTR 1 | 47.8 +9.9 | 0.305 +0.03 | 191 -72 | 4 = | 101.1 +0.8 | usable | + | |
| Beyma SM212 | 34 -3.9 | 0.258 -0.02 | 198 -65 | 8.2 +4.2 | 98 -2.3 | usable | + | |
| Supravox 285 GMF v2013 | 48 +10.1 | 0.29 +0.01 | 175 -88 | 4 = | 100.9 +0.6 | usable | + | |
| Crites Speakers CW1228 | 27.7 -10.2 | 0.277 = | 286.6 +23.6 | 6.4 +2.4 | 96.3 -4 | usable | + | |
| Altec 414 Z | 32 -5.9 | 0.219 -0.06 | 263 = | 4 = | 96.2 -4.1 | usable | 16 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the 285 GMF vp deadharo →
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.