Visaton FR 30
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 90 Hz |
| Qts | 1.284 |
| Qes | 1.62 |
| Qms | 6.18 |
| Vas | 27 L |
| Sd | 530 cm² |
| Xmax | 1.1 mm |
| Re | 6.6 Ω |
| Bl | 10.3 T·m |
| Mms | 45.6 g |
| Pe | 100 W |
| Sensitivity | 93.7 dB |
Alignment hint
| EBP | 56 · 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 |
|---|---|---|---|---|---|---|---|---|
| Beyma 12GA50 | 90 = | 1.16 -0.12 | 34 +7 | 2 +0.9 | 94.8 +1.1 | usable | + | |
| Jensen C12N | 112 +22 | 0.913 -0.37 | 27.6 +0.6 | 1 -0.1 | 98.6 +4.9 | usable | 50 W vs 100 W: lower power handling · Xmax 1 mm < 1.1 mm: lower excursion-limited SPL | + |
| Jensen JCH 1270-8 | 78 -12 | 1.084 -0.2 | 46.7 +19.7 | 1.5 +0.4 | 96.6 +2.9 | usable | 70 W vs 100 W: lower power handling | + |
| Jensen C12Q-8 | 87.3 -2.7 | 1.69 +0.41 | 44.1 +17.1 | 0.8 -0.3 | 94.8 +1.1 | usable | 35 W vs 100 W: lower power handling · Xmax 0.8 mm < 1.1 mm: lower excursion-limited SPL | + |
| Jensen JP12-100BB | 95.1 +5.1 | 0.836 -0.45 | 34.4 +7.4 | 1 -0.1 | 98.2 +4.5 | usable | Xmax 1 mm < 1.1 mm: lower excursion-limited SPL | + |
| Eminence LEGEND 1218 | 100 +10 | 0.895 -0.39 | 31.2 +4.2 | 0.8 -0.3 | 97.8 +4.1 | usable | Xmax 0.8 mm < 1.1 mm: lower excursion-limited SPL | + |
| Eminence LEGEND 1258 | 94 +4 | 0.99 -0.29 | 32.5 +5.5 | 0.5 -0.6 | 95.9 +2.2 | usable | 75 W vs 100 W: lower power handling · Xmax 0.5 mm < 1.1 mm: lower excursion-limited SPL | + |
| Jensen P12Q | 90.4 +0.4 | 1.944 +0.66 | 47.5 +20.5 | 0.8 -0.3 | 95.1 +1.4 | risky | 40 W vs 100 W: lower power handling · Xmax 0.8 mm < 1.1 mm: lower excursion-limited SPL | + |
| Eminence LEGEND 1275 | 111 +21 | 1.016 -0.27 | 29.6 +2.6 | 0.5 -0.6 | 98 +4.3 | risky | 75 W vs 100 W: lower power handling · Xmax 0.5 mm < 1.1 mm: lower excursion-limited SPL | + |
| Celestion G12T 75 | 85 -5 | 0.836 -0.45 | 51 +24 | 2 +0.9 | 95.3 +1.6 | risky | 16 Ω vs 8 Ω: amp load changes · 75 W vs 100 W: lower power handling | + |
Compare the closest 3 against the FR 30 →
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.