Hifonics ZX 1254
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 31 Hz |
| Qts | 0.31 |
| Qes | 0.34 |
| Qms | 4.7 |
| Vas | 63 L |
| Sd | 5 cm² |
| Xmax | 30 mm |
| Re | 2.8 Ω |
| Bl | 15.15 T·m |
| Mms | 143 g |
| Pe | 500 W |
| Sensitivity | 89.3 dB |
Alignment hint
| EBP | 91 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 15 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 |
|---|---|---|---|---|---|---|---|---|
| Celestion FTR12-4080DL | 28.9 -2.1 | 0.303 -0.01 | 68.6 +5.6 | 8.7 -21.3 | 89.9 +0.6 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 8.7 mm < 30 mm: lower excursion-limited SPL | + |
| B&C 12FG100 | 34 +3 | 0.32 +0.01 | 53 -10 | 10.3 -19.7 | 91 +1.7 | usable | Xmax 10.3 mm < 30 mm: lower excursion-limited SPL | + |
| Hifonics ZX1284 | 33 +2 | 0.38 +0.07 | 63 = | 9 -21 | 89.2 -0.1 | usable | Xmax 9 mm < 30 mm: lower excursion-limited SPL | + |
| Tang Band W8Q-1071F | 27 -4 | 0.334 +0.02 | 70.4 +7.4 | 9.7 -20.3 | 91.8 +2.5 | risky | Xmax 9.7 mm < 30 mm: lower excursion-limited SPL | + |
| Morel ULTIMO 124 | 26 -5 | 0.421 +0.11 | 73.8 +10.8 | 14.6 -15.4 | 89 -0.3 | risky | Xmax 14.6 mm < 30 mm: lower excursion-limited SPL | + |
| Dayton Audio RSS315HO-4 v2020 | 26.2 -4.8 | 0.303 -0.01 | 54 -9 | 8.6 -21.4 | 90.6 +1.3 | risky | Xmax 8.6 mm < 30 mm: lower excursion-limited SPL | + |
| Dayton Audio RSS315HO-4 v2017 | 26.2 -4.8 | 0.303 -0.01 | 53.7 -9.3 | 8.6 -21.4 | 90.6 +1.3 | risky | Xmax 8.6 mm < 30 mm: lower excursion-limited SPL | + |
| Resonant Engineering XXX 12D1 vp | 27 -4 | 0.401 +0.09 | 56.5 -6.5 | 12.9 -17.1 | 92 +2.7 | risky | Xmax 12.9 mm < 30 mm: lower excursion-limited SPL | + |
| B&C 12FG100 | 34 +3 | 0.36 +0.05 | 49 -14 | 10.3 -19.7 | 91 +1.7 | risky | 8 Ω vs 4 Ω: amp load changes · Xmax 10.3 mm < 30 mm: lower excursion-limited SPL | + |
| B&C 12 FG 100 4 Ohms | 34 +3 | 0.32 +0.01 | 53 -10 | 9.2 -20.8 | 94.3 +5 | risky | Xmax 9.2 mm < 30 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the ZX 1254 →
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.