Cerwin-Vega VEGA 124
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 30.3 Hz |
| Qts | 0.612 |
| Qes | 0.706 |
| Qms | 4.58 |
| Vas | 60.3 L |
| Sd | 510.7 cm² |
| Xmax | 7 mm |
| Re | 6.8 Ω |
| Bl | 17.5 T·m |
| Mms | 167.6 g |
| Pe | 400 W |
| Sensitivity | 86.4 dB |
Alignment hint
| EBP | 43 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 180 L |
EBP < 50: favours a sealed (closed) 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 |
|---|---|---|---|---|---|---|---|---|
| Rockford Fosgate R2SD4-12 | 30.3 = | 0.653 +0.04 | 65.4 +5.1 | 6.9 -0.1 | 86.7 +0.3 | close | 250 W vs 400 W: lower power handling · Xmax 6.9 mm < 7 mm: lower excursion-limited SPL | + |
| Wavecor SW312WA04 | 29 -1.3 | 0.569 -0.04 | 61 +0.7 | 7.5 +0.5 | 86.8 +0.4 | close | 250 W vs 400 W: lower power handling | + |
| Wavecor SW310WA01 | 28.5 -1.8 | 0.603 -0.01 | 65.5 +5.2 | 7.6 +0.6 | 86.8 +0.4 | close | 250 W vs 400 W: lower power handling | + |
| Rockford Fosgate T1D412 | 29.2 -1.1 | 0.613 = | 55.8 -4.5 | 10.9 +3.9 | 85.8 -0.6 | close | + | |
| Alpine SWE-1242 | 31 +0.7 | 0.66 +0.05 | 61 +0.7 | 11.7 +4.7 | 85.9 -0.5 | close | 4 Ω vs 8 Ω: amp load changes · 250 W vs 400 W: lower power handling | + |
| JBL GT5-12 vp | 29 -1.3 | 0.582 -0.03 | 54.2 -6.1 | 6.7 -0.3 | 88.1 +1.7 | close | 275 W vs 400 W: lower power handling · Xmax 6.7 mm < 7 mm: lower excursion-limited SPL | + |
| Pioneer TS-W251R | 28.9 -1.4 | 0.68 +0.07 | 57.86 -2.44 | 7.8 +0.8 | 84.6 -1.8 | close | 4 Ω vs 8 Ω: amp load changes · 120 W vs 400 W: lower power handling | + |
| Soundstream STEALTH-124 | 29.98 -0.32 | 0.687 +0.08 | 59.5 -0.8 | 13 +6 | 84.8 -1.6 | close | + | |
| Alpine SWE-1241 | 31 +0.7 | 0.653 +0.04 | 61 +0.7 | 11.3 +4.3 | 89.6 +3.2 | close | 4 Ω vs 8 Ω: amp load changes | + |
| MTX Audio T5512-04 | 29.3 -1 | 0.583 -0.03 | 66.9 +6.6 | 7.3 +0.3 | 89.8 +3.4 | close | 4 Ω vs 8 Ω: amp load changes · 300 W vs 400 W: lower power handling | + |
Compare the closest 3 against the VEGA 124 →
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.