Alpine 6126GX
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 4 Ω |
| Fs | 26 Hz |
| Qts | 0.532 |
| Qes | 0.56 |
| Qms | 10.72 |
| Vas | 233 L |
| Sd | 530 cm² |
| Xmax | 8.2 mm |
| Re | 3.3 Ω |
| Bl | 7.8 T·m |
| Mms | 63.3 g |
| Pe | 200 W |
| Sensitivity | 94.5 dB |
Alignment hint
| EBP | 46 · sealed |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 303.9 L |
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 |
|---|---|---|---|---|---|---|---|---|
| JBL 123A | 25 -1 | 0.49 -0.04 | 235 +2 | 7.9 -0.3 | 93.1 -1.4 | close | 8 Ω vs 4 Ω: amp load changes · 100 W vs 200 W: lower power handling · Xmax 7.9 mm < 8.2 mm: lower excursion-limited SPL | + |
| JBL 2213H | 25 -1 | 0.49 -0.04 | 235 +2 | 7.9 -0.3 | 93.1 -1.4 | close | 8 Ω vs 4 Ω: amp load changes · 75 W vs 200 W: lower power handling · Xmax 7.9 mm < 8.2 mm: lower excursion-limited SPL | + |
| JBL 2213 | 25 -1 | 0.49 -0.04 | 235 +2 | 6.8 -1.4 | 93.1 -1.4 | close | 8 Ω vs 4 Ω: amp load changes · 50 W vs 200 W: lower power handling · Xmax 6.8 mm < 8.2 mm: lower excursion-limited SPL | + |
| Philips AD12250W8 vp doum2 | 28.7 +2.7 | 0.51 -0.02 | 237 +4 | 6 -2.2 | 92.5 -2 | usable | 8 Ω vs 4 Ω: amp load changes · 100 W vs 200 W: lower power handling · Xmax 6 mm < 8.2 mm: lower excursion-limited SPL | + |
| AE Speakers DIPOLE 12-D4 | 25.9 -0.1 | 0.685 +0.15 | 273 +40 | 10 +1.8 | 94.2 -0.3 | usable | 100 W vs 200 W: lower power handling | + |
| Peerless SLS315 | 24.4 -1.6 | 0.452 -0.08 | 205.2 -27.8 | 7.8 -0.4 | 91.4 -3.1 | usable | 8 Ω vs 4 Ω: amp load changes · 100 W vs 200 W: lower power handling · Xmax 7.8 mm < 8.2 mm: lower excursion-limited SPL | + |
| SB Acoustics SB34NRX75-6 vp | 22.2 -3.8 | 0.444 -0.09 | 240 +7 | 11 +2.8 | 92 -2.5 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| AE Speakers LO12-D8 | 27.5 +1.5 | 0.431 -0.1 | 273 +40 | 9 +0.8 | 97.1 +2.6 | usable | + | |
| Peerless 831857 | 24 -2 | 0.433 -0.1 | 210 -23 | 9 +0.8 | 91.3 -3.2 | usable | 8 Ω vs 4 Ω: amp load changes | + |
| Peerless 315SWR | 24 -2 | 0.433 -0.1 | 210 -23 | 8 -0.2 | 91.3 -3.2 | usable | 8 Ω vs 4 Ω: amp load changes · Xmax 8 mm < 8.2 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the 6126GX →
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.