Xtant X2 1204
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 30.6 Hz |
| Qts | 0.961 |
| Qes | 1.1 |
| Qms | 7.6 |
| Vas | 38.6 L |
| Sd | 569 cm² |
| Xmax | 6.6 mm |
| Re | 3.72 Ω |
| Bl | 14.4 T·m |
| Mms | 318.9 g |
| Pe | 600 W |
| Sensitivity | 85.3 dB |
Alignment hint
| EBP | 28 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | Qts too high |
EBP < 50: favours a sealed (closed) 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 |
|---|---|---|---|---|---|---|---|---|
| Focal P30FSE | 30 -0.6 | 1.101 +0.14 | 42 +3.4 | 4.9 -1.7 | 85.4 +0.1 | usable | 300 W vs 600 W: lower power handling · Xmax 4.9 mm < 6.6 mm: lower excursion-limited SPL | + |
| Ground Zero GZIW 12XSPL-D2 | 32.5 +1.9 | 0.736 -0.22 | 40.4 +1.8 | 7.6 +1 | 87.1 +1.8 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Selenium 12SW13ADVC 4+4 | 37 +6.4 | 0.854 -0.11 | 47 +8.4 | 7 +0.4 | 86.2 +0.9 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Pioneer TS-W310D4 | 37 +6.4 | 0.778 -0.18 | 37.4 -1.2 | 6.2 -0.4 | 87 +1.7 | usable | 8 Ω vs 4 Ω: amp load changes · 400 W vs 600 W: lower power handling · Xmax 6.2 mm < 6.6 mm: lower excursion-limited SPL | + |
| Pioneer TS-W309D4 | 37.2 +6.6 | 0.811 -0.15 | 33.8 -4.8 | 5.7 -0.9 | 86.4 +1.1 | usable | 8 Ω vs 4 Ω: amp load changes · 400 W vs 600 W: lower power handling · Xmax 5.7 mm < 6.6 mm: lower excursion-limited SPL | + |
| Alpine SWX-1243D Type-X | 29 -1.6 | 0.59 -0.37 | 38 -0.6 | 10.8 +4.2 | 84.2 -1.1 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Powerbass S-12T | 34.4 +3.8 | 0.634 -0.33 | 45.92 +7.32 | 6.9 +0.3 | 85.8 +0.5 | usable | 300 W vs 600 W: lower power handling | + |
| Infinity Kappa 123WDSSI 2Ohm | 34.2 +3.6 | 0.778 -0.18 | 58.6153 +20.02 | 10.2 +3.6 | 86.0429 +0.74 | usable | 2 Ω vs 4 Ω: amp load changes | + |
| Davis 31ST12 | 31 +0.4 | 0.813 -0.15 | 58 +19.4 | 4.1 -2.5 | 85.2 -0.1 | usable | 8 Ω vs 4 Ω: amp load changes · 100 W vs 600 W: lower power handling · Xmax 4.1 mm < 6.6 mm: lower excursion-limited SPL | + |
| Sphynx SP-W12-GLB | 32 +1.4 | 0.782 -0.18 | 65.9 +27.3 | 5.8 -0.8 | 86 +0.7 | usable | 8 Ω vs 4 Ω: amp load changes · 200 W vs 600 W: lower power handling · Xmax 5.8 mm < 6.6 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the X2 1204 →
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.