Beyma 12GA50
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 90 Hz |
| Qts | 1.16 |
| Qes | 1.26 |
| Qms | 14.8 |
| Vas | 34 L |
| Sd | 530 cm² |
| Xmax | 2 mm |
| Re | 6.2 Ω |
| Bl | 10 T·m |
| Mms | 34 g |
| Pe | 250 W |
| Sensitivity | 94.8 dB |
Alignment hint
| EBP | 71 · 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 |
|---|---|---|---|---|---|---|---|---|
| Visaton FR 30 | 90 = | 1.284 +0.12 | 27 -7 | 1.1 -0.9 | 93.7 -1.1 | usable | 100 W vs 250 W: lower power handling · Xmax 1.1 mm < 2 mm: lower excursion-limited SPL | + |
| Jensen JCH 1270-8 | 78 -12 | 1.084 -0.08 | 46.7 +12.7 | 1.5 -0.5 | 96.6 +1.8 | usable | 70 W vs 250 W: lower power handling · Xmax 1.5 mm < 2 mm: lower excursion-limited SPL | + |
| Celestion G12T 75 | 85 -5 | 0.836 -0.32 | 51 +17 | 2 = | 95.3 +0.5 | usable | 16 Ω vs 8 Ω: amp load changes · 75 W vs 250 W: lower power handling | + |
| Celestion F12M-150 Triple Cone | 69.4 -20.6 | 0.906 -0.25 | 46.9 +12.9 | 2.3 +0.3 | 95.2 +0.4 | usable | 150 W vs 250 W: lower power handling | + |
| Celestion G12T-100 | 81 -9 | 0.833 -0.33 | 47 +13 | 2 = | 96.8 +2 | usable | 100 W vs 250 W: lower power handling | + |
| Jensen JP12-100BB | 95.1 +5.1 | 0.836 -0.32 | 34.4 +0.4 | 1 -1 | 98.2 +3.4 | usable | 100 W vs 250 W: lower power handling · Xmax 1 mm < 2 mm: lower excursion-limited SPL | + |
| JBL 2142H | 72 -18 | 0.755 -0.4 | 45.3 +11.3 | 2.2 +0.2 | 96.5 +1.7 | usable | 100 W vs 250 W: lower power handling | + |
| Celestion F12-X200 | 75 -15 | 0.777 -0.38 | 47.3 +13.3 | 3 +1 | 97.1 +2.3 | usable | + | |
| Eminence LEGEND 1258 | 94 +4 | 0.99 -0.17 | 32.5 -1.5 | 0.5 -1.5 | 95.9 +1.1 | risky | 75 W vs 250 W: lower power handling · Xmax 0.5 mm < 2 mm: lower excursion-limited SPL | + |
| Eminence LEGEND 1218 | 100 +10 | 0.895 -0.26 | 31.2 -2.8 | 0.8 -1.2 | 97.8 +3 | risky | 150 W vs 250 W: lower power handling · Xmax 0.8 mm < 2 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 12GA50 →
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.