Supravox 285-2000
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 45 Hz |
| Qts | 0.212 |
| Qes | 0.22 |
| Qms | 6 |
| Vas | 200 L |
| Sd | 471 cm² |
| Xmax | 2.9 mm |
| Re | 6.5 Ω |
| Bl | 12.7 T·m |
| Mms | 19.4 g |
| Pe | 45 W |
| Sensitivity | 102.1 dB |
Alignment hint
| EBP | 205 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 19.8 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 285-2000EXC_12V | 53 +8 | 0.214 = | 154 -46 | 3.1 +0.2 | 103.1 +1 | usable | + | |
| Benett 12.200 X/N | 40 -5 | 0.181 -0.03 | 162 -38 | 3 +0.1 | 100.7 -1.4 | usable | + | |
| Supravox 285-2000EXC_11V | 53 +8 | 0.242 +0.03 | 155 -45 | 3.3 +0.4 | 102.5 +0.4 | usable | + | |
| EMS LB12 | 34 -11 | 0.214 = | 200 = | 3 +0.1 | 95.8 -6.3 | usable | 16 Ω vs 8 Ω: amp load changes | + |
| EMS LB12 MKII | 34 -11 | 0.214 = | 200 = | 3 +0.1 | 95.8 -6.3 | usable | 16 Ω vs 8 Ω: amp load changes | + |
| EMS LB12EX_14V | 34 -11 | 0.207 -0.01 | 200 = | 3 +0.1 | 96 -6.1 | usable | 16 Ω vs 8 Ω: amp load changes | + |
| EMS LB12EX | 34 -11 | 0.207 -0.01 | 200 = | 3 +0.1 | 96 -6.1 | usable | 16 Ω vs 8 Ω: amp load changes | + |
| Supravox 285 GMF vp JTR 1 | 47.8 +2.8 | 0.305 +0.09 | 191 -9 | 4 +1.1 | 101.1 -1 | usable | + | |
| JBL K120 | 50 +5 | 0.2 -0.01 | 121.8 -78.2 | 2.7 -0.2 | 101.6 -0.5 | usable | Xmax 2.7 mm < 2.9 mm: lower excursion-limited SPL | + |
| PD PD 1225C001 | 39 -6 | 0.189 -0.02 | 156 -44 | 5.6 +2.7 | 100.6 -1.5 | usable | + |
Compare the closest 3 against the 285-2000 →
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.