Goodmans AXIOM 301 vp
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 36.4 Hz |
| Qts | 0.277 |
| Qes | 0.304 |
| Qms | 3.17 |
| Vas | 234.1 L |
| Sd | 551.1 cm² |
| Xmax | 3.2 mm |
| Re | 7.51 Ω |
| Bl | 14 T·m |
| Mms | 34.8 g |
| Pe | 40 W |
| Sensitivity | 98 dB |
Alignment hint
| EBP | 120 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 42.4 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 vp deadharo | 37.9 +1.5 | 0.278 = | 263 +28.9 | 4 +0.8 | 100.3 +2.3 | close | + | |
| Audax LFH508 | 32 -4.4 | 0.27 -0.01 | 232 -2.1 | 2.5 -0.7 | 97.9 -0.1 | close | Xmax 2.5 mm < 3.2 mm: lower excursion-limited SPL | + |
| Davis 31TK12 | 38.1 +1.7 | 0.314 +0.04 | 216 -18.1 | 5 +1.8 | 98 = | close | + | |
| Davis 31TCA12 v2012 | 38 +1.6 | 0.333 +0.06 | 216 -18.1 | 6 +2.8 | 97.9 -0.1 | usable | + | |
| Beyma SM212 | 34 -2.4 | 0.258 -0.02 | 198 -36.1 | 8.2 +5 | 98 = | usable | + | |
| EMS LB12EX_10V | 34 -2.4 | 0.286 +0.01 | 200 -34.1 | 3 -0.2 | 94.5 -3.5 | usable | 16 Ω vs 8 Ω: amp load changes · Xmax 3 mm < 3.2 mm: lower excursion-limited SPL | + |
| Monacor SP-305PA | 35 -1.4 | 0.283 +0.01 | 315 +80.9 | 5.3 +2.1 | 99.8 +1.8 | usable | + | |
| Davis 31TCA12 v2009 | 32.5 -3.9 | 0.31 +0.03 | 222 -12.1 | 6 +2.8 | 95.9 -2.1 | usable | + | |
| Davis 31TCA12 vp rc | 32.5 -3.9 | 0.314 +0.04 | 222 -12.1 | 6 +2.8 | 96.2 -1.8 | usable | + | |
| Fostex L 345 | 34 -2.4 | 0.242 -0.04 | 197 -37.1 | 5.7 +2.5 | 97.3 -0.7 | usable | + |
Compare the closest 3 against the AXIOM 301 vp →
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.