Mivoc AWM 124
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 30 Hz |
| Qts | 0.251 |
| Qes | 0.26 |
| Qms | 7.5 |
| Vas | 68 L |
| Sd | 507 cm² |
| Xmax | 4.7 mm |
| Re | 3.1 Ω |
| Bl | 18.3 T·m |
| Mms | 149.1 g |
| Pe | 220 W |
| Sensitivity | 94.6 dB |
Alignment hint
| EBP | 115 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 9.8 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 |
|---|---|---|---|---|---|---|---|---|
| Raveland BSW 124-II | 28 -2 | 0.252 = | 91.4 +23.4 | 5.4 +0.7 | 94.7 +0.1 | close | + | |
| BMS 12S330 | 28.6 -1.4 | 0.24 -0.01 | 85.5 +17.5 | 8 +3.3 | 96 +1.4 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| BMS 12S330 v2016 | 28.6 -1.4 | 0.24 -0.01 | 85.5 +17.5 | 8 +3.3 | 92.3 -2.3 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| SICA 12 S 2.5 CS | 33 +3 | 0.265 +0.01 | 93.7 +25.7 | 6 +1.3 | 94 -0.6 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| RCF L12P300 | 40 +10 | 0.27 +0.02 | 76 +8 | 5 +0.3 | 94.2 -0.4 | usable | 8 Ω vs 4 Ω: amp load changes · 150 W vs 220 W: lower power handling | + |
| Focal 33VX | 34 +4 | 0.322 +0.07 | 66.5 -1.5 | 6.4 +1.7 | 94.7 +0.1 | usable | + | |
| Helix P12W PRECISION | 27 -3 | 0.25 = | 72 +4 | 8.5 +3.8 | 89 -5.6 | usable | + | |
| Magnat XTC300 | 30 = | 0.317 +0.07 | 81 +13 | 6.9 +2.2 | 93.8 -0.8 | usable | + | |
| BMS 12S305 | 35 +5 | 0.265 +0.01 | 82 +14 | 11 +6.3 | 95 +0.4 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| BMS 12S302 | 45 +15 | 0.253 = | 65 -3 | 4.5 -0.2 | 96 +1.4 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 4.5 mm < 4.7 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the AWM 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.