Fane SOVEREIGN 12-125
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 47 Hz |
| Qts | 0.796 |
| Qes | 0.92 |
| Qms | 5.9 |
| Vas | 113.2 L |
| Sd | 525.9 cm² |
| Xmax | 4.9 mm |
| Re | 6.7 Ω |
| Bl | 9.2 T·m |
| Mms | 39.3 g |
| Pe | 125 W |
| Sensitivity | 93.8 dB |
Alignment hint
| EBP | 51 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | Qts too high |
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 |
|---|---|---|---|---|---|---|---|---|
| Visaton WS32AW vp de FREDO51 | 39 -8 | 0.765 -0.03 | 115 +1.8 | 5 +0.1 | 91.5 -2.3 | close | + | |
| Infinity 1200WIB vp | 35 -12 | 0.789 -0.01 | 116 +2.8 | 5.1 +0.2 | 92.8 -1 | close | 4 Ω vs 8 Ω: amp load changes | + |
| AE Speakers LO12-D16 | 41.9 -5.1 | 0.67 -0.13 | 119.7 +6.5 | 7.4 +2.5 | 94.1 +0.3 | usable | + | |
| JL Audio 12IB4 | 40.5 -6.5 | 0.631 -0.17 | 112.4 -0.8 | 6 +1.1 | 93.6 -0.2 | usable | + | |
| SB Audience BIANCO-120B150 | 44 -3 | 0.623 -0.17 | 103.8 -9.4 | 6.8 +1.9 | 93.5 -0.3 | usable | + | |
| Audax PR300T0 | 48 +1 | 0.824 +0.03 | 142 +28.8 | 3.5 -1.4 | 95.4 +1.6 | usable | Xmax 3.5 mm < 4.9 mm: lower excursion-limited SPL | + |
| Focal 33F | 36.5 -10.5 | 0.712 -0.08 | 95.5 -17.7 | 6 +1.1 | 94.1 +0.3 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| AE Speakers LO12-D8 v2016 | 41.9 -5.1 | 0.67 -0.13 | 117.9 +4.7 | 7.4 +2.5 | 97.1 +3.3 | usable | 4 Ω vs 8 Ω: amp load changes | + |
| Eminence ALPHA 12A | 49 +2 | 0.77 -0.03 | 121.5 +8.3 | 2.4 -2.5 | 93.9 +0.1 | usable | 75 W vs 125 W: lower power handling · Xmax 2.4 mm < 4.9 mm: lower excursion-limited SPL | + |
| Focal 13V 7501 | 36.5 -10.5 | 0.712 -0.08 | 97.3 -15.9 | 6.8 +1.9 | 94.2 +0.4 | usable | 4 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the SOVEREIGN 12-125 →
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.