Kicker ES124
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 30.4 Hz |
| Qts | 0.549 |
| Qes | 0.575 |
| Qms | 11.99 |
| Vas | 97.7 L |
| Sd | 519 cm² |
| Xmax | 6.2 mm |
| Re | 3.65 Ω |
| Bl | 11.3 T·m |
| Mms | 105.9 g |
| Pe | 125 W |
| Sensitivity | 92.2 dB |
Alignment hint
| EBP | 53 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 148.3 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 |
|---|---|---|---|---|---|---|---|---|
| JBL GT3-12 | 28.2 -2.2 | 0.541 -0.01 | 100.5 +2.8 | 8.2 +2 | 91.8 -0.4 | close | + | |
| Phoenix Gold RYVAL V12D | 30 -0.4 | 0.552 = | 81.9 -15.8 | 6.4 +0.2 | 91.4 -0.8 | close | + | |
| Cerwin-Vega HED-12 4 | 28 -2.4 | 0.565 +0.02 | 105 +7.3 | 6 -0.2 | 90.7 -1.5 | close | Xmax 6 mm < 6.2 mm: lower excursion-limited SPL | + |
| Oxygen SPIRAL 300 | 32 +1.6 | 0.56 +0.01 | 81 -16.7 | 7.6 +1.4 | 92 -0.2 | close | + | |
| MTX Audio T4124A | 29.3 -1.1 | 0.549 = | 118.8 +21.1 | 8.4 +2.2 | 92.9 +0.7 | close | + | |
| Alpine SWE-1244E | 31 +0.6 | 0.53 -0.02 | 102.5 +4.8 | 7.5 +1.3 | 88.7 -3.5 | close | + | |
| JL Audio 12WX-4 | 27 -3.4 | 0.562 +0.01 | 94.5 -3.2 | 8.5 +2.3 | 90.5 -1.7 | close | + | |
| Pioneer TS-W300R | 29.5 -0.9 | 0.646 +0.1 | 93.2 -4.5 | 6.8 +0.6 | 91.6 -0.6 | close | + | |
| Peerless SLS12 830669 v2012 | 31 +0.6 | 0.536 -0.01 | 132.4 +34.7 | 6.1 -0.1 | 91.9 -0.3 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 6.1 mm < 6.2 mm: lower excursion-limited SPL | + |
| Focal 33V2 | 28.7 -1.7 | 0.537 -0.01 | 76.2 -21.5 | 7.5 +1.3 | 92.5 +0.3 | close | + |
Compare the closest 3 against the ES124 →
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.