Infinity 1230W
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 27.3 Hz |
| Qts | 0.437 |
| Qes | 0.47 |
| Qms | 6.14 |
| Vas | 78.5 L |
| Sd | 532 cm² |
| Xmax | 7.9 mm |
| Re | 3.4 Ω |
| Bl | 14.6 T·m |
| Mms | 172.2 g |
| Pe | 300 W |
| Sensitivity | 91 dB |
Alignment hint
| EBP | 58 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 48.5 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 |
|---|---|---|---|---|---|---|---|---|
| Aura Sound NS12-794-4A | 27 -0.3 | 0.423 -0.01 | 78 -0.5 | 9.9 +2 | 90.9 -0.1 | close | + | |
| JL Audio 12W3V3-4 | 26.7 -0.6 | 0.446 +0.01 | 80.6 +2.1 | 10.9 +3 | 90.6 -0.4 | close | + | |
| Tymphany LAT 500-04 | 28 +0.7 | 0.474 +0.04 | 81 +2.5 | 7.7 -0.2 | 91.6 +0.6 | close | Xmax 7.7 mm < 7.9 mm: lower excursion-limited SPL | + |
| Rythmik Audio DS1200 | 26 -1.3 | 0.444 +0.01 | 88 +9.5 | 8.8 +0.9 | 91.7 +0.7 | close | + | |
| Morel PRIMO 12 | 28 +0.7 | 0.474 +0.04 | 85 +6.5 | 8 +0.1 | 91.5 +0.5 | close | + | |
| JBL GTO 1264 | 26.7 -0.6 | 0.428 -0.01 | 83.1 +4.6 | 6.3 -1.6 | 91 = | close | Xmax 6.3 mm < 7.9 mm: lower excursion-limited SPL | + |
| Focal P30F | 28 +0.7 | 0.467 +0.03 | 70 -8.5 | 9.1 +1.2 | 90.1 -0.9 | close | + | |
| JBL GT 120 | 24.8 -2.5 | 0.429 -0.01 | 91.1 +12.6 | 8.1 +0.2 | 90.3 -0.7 | close | + | |
| JBL GT 120MKII | 24.8 -2.5 | 0.429 -0.01 | 91.1 +12.6 | 8.1 +0.2 | 90.3 -0.7 | close | + | |
| JBL GT4-12 | 24.8 -2.5 | 0.429 -0.01 | 91.1 +12.6 | 8.1 +0.2 | 90.3 -0.7 | close | + |
Compare the closest 3 against the 1230W →
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.