Vega 340 ACTBL
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 21 Hz |
| Qts | 0.268 |
| Qes | 0.29 |
| Qms | 3.51 |
| Vas | 445 L |
| Sd | 585 cm² |
| Xmax | 4 mm |
| Re | 6.7 Ω |
| Bl | 13.7 T·m |
| Mms | 61.9 g |
| Pe | 50 W |
| Sensitivity | 94.3 dB |
Alignment hint
| EBP | 72 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 74.6 L |
EBP 50-100: works in either a sealed or ported 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 |
|---|---|---|---|---|---|---|---|---|
| Siare 31TE-2B | 20.6 -0.4 | 0.264 = | 502 +57 | 5 +1 | 95.7 +1.4 | close | + | |
| Siare 31TE V2 | 23 +2 | 0.265 = | 387 -58 | 5 +1 | 95.9 +1.6 | close | + | |
| AER STUDIO BASS | 21 = | 0.237 -0.03 | 360 -85 | 5.2 +1.2 | 94.3 = | close | + | |
| Vifa M30W0-49-08 | 21 = | 0.225 -0.04 | 400 -45 | 6 +2 | 95.2 +0.9 | close | + | |
| Siare 31TE | 23 +2 | 0.265 = | 322 -123 | 5 +1 | 95.1 +0.8 | usable | + | |
| Monacor SPP-300/AD | 23 +2 | 0.265 = | 305 -140 | 5 +1 | 93.9 -0.4 | usable | + | |
| Siare 31SPCT | 18 -3 | 0.238 -0.03 | 407 -38 | 4 = | 92.3 -2 | usable | + | |
| Monacor SPH-315 | 22 +1 | 0.235 -0.03 | 330 -115 | 4.5 +0.5 | 94.5 +0.2 | usable | + | |
| Audax HIF30HSMC-2CA14 vp | 19 -2 | 0.272 = | 645.4 +200.4 | 4 = | 95.6 +1.3 | usable | + | |
| Audax HIF30HSMC | 19 -2 | 0.269 = | 645.5 +200.5 | 4 = | 92.7 -1.6 | usable | + |
Compare the closest 3 against the 340 ACTBL →
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.