FI Audio Q12 DUAL 2
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 33.9 Hz |
| Qts | 0.371 |
| Qes | 0.39 |
| Qms | 7.69 |
| Vas | 28.3 L |
| Sd | 481 cm² |
| Xmax | 10.6 mm |
| Re | 2.8 Ω |
| Bl | 19.7 T·m |
| Mms | 252.6 g |
| Pe | 1750 W |
| Sensitivity | 91.1 dB |
Alignment hint
| EBP | 87 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 10.7 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 |
|---|---|---|---|---|---|---|---|---|
| Ascendant Audio HAVOC 12 D2 | 33.7 -0.2 | 0.379 +0.01 | 28.9 +0.6 | 8.2 -2.4 | 94 +2.9 | close | 2 Ω vs 4 Ω: amp load changes · 1000 W vs 1750 W: lower power handling · Xmax 8.2 mm < 10.6 mm: lower excursion-limited SPL | + |
| Pioneer TS-W5102SPL | 30 -3.9 | 0.344 -0.03 | 26.7 -1.6 | 12.6 +2 | 92.3 +1.2 | close | 2 Ω vs 4 Ω: amp load changes | + |
| Hifonics CX12D2 | 36 +2.1 | 0.336 -0.03 | 25 -3.3 | 12.5 +1.9 | 90.1 -1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| MTX Audio TX812 | 35 +1.1 | 0.422 +0.05 | 24.6 -3.7 | 10 -0.6 | 91.6 +0.5 | close | Xmax 10 mm < 10.6 mm: lower excursion-limited SPL | + |
| Soundstream T4-12 | 36.5 +2.6 | 0.371 = | 29.3 +1 | 6.6 -4 | 91.3 +0.2 | close | 900 W vs 1750 W: lower power handling · Xmax 6.6 mm < 10.6 mm: lower excursion-limited SPL | + |
| Audio System KRYPTON 12 | 37 +3.1 | 0.39 +0.02 | 30 +1.7 | 17 +6.4 | 87.5 -3.6 | usable | 1000 W vs 1750 W: lower power handling | + |
| Ciare 12.00 SW | 43.61 +9.71 | 0.38 +0.01 | 32 +3.7 | 11.5 +0.9 | 90.1 -1 | usable | 8 Ω vs 4 Ω: amp load changes · 1000 W vs 1750 W: lower power handling | + |
| Gladen SQL 12 EXTREME | 33 -0.9 | 0.353 -0.02 | 36 +7.7 | 9.4 -1.2 | 93.1 +2 | usable | 2 Ω vs 4 Ω: amp load changes · 1300 W vs 1750 W: lower power handling · Xmax 9.4 mm < 10.6 mm: lower excursion-limited SPL | + |
| B&C 12FG100 | 34 +0.1 | 0.36 -0.01 | 49 +20.7 | 10.3 -0.3 | 91 -0.1 | usable | 8 Ω vs 4 Ω: amp load changes · 1000 W vs 1750 W: lower power handling · Xmax 10.3 mm < 10.6 mm: lower excursion-limited SPL | + |
| DC Audio LV4 D2 | 35.9 +2 | 0.5 +0.13 | 30.6 +2.3 | 11 +0.4 | 92.2 +1.1 | usable | + |
Compare the closest 3 against the Q12 DUAL 2 →
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.