Celestion G12T-75 v2026
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 85 Hz |
| Qts | 0.595 |
| Qes | 0.63 |
| Qms | 10.6 |
| Vas | 61 L |
| Sd | 517 cm² |
| Xmax | 2 mm |
| Re | 6.8 Ω |
| Bl | 11.1 T·m |
| Mms | 21.5 g |
| Pe | 75 W |
| Sensitivity | 100.4 dB |
Alignment hint
| EBP | 135 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 147.9 L |
EBP > 100: favours a ported (bass-reflex) 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 |
|---|---|---|---|---|---|---|---|---|
| B&C 320K/C-A | 82 -3 | 0.59 -0.01 | 52 -9 | 2 = | 100 -0.4 | close | 16 Ω vs 8 Ω: amp load changes | + |
| B&C 320K/C-A | 82 -3 | 0.5 -0.09 | 53 -8 | 2 = | 101 +0.6 | close | + | |
| B&C 320KC-8A | 82 -3 | 0.5 -0.09 | 53 -8 | 2 = | 101.2 +0.8 | close | + | |
| Celestion VINTAGE 30 | 75 -10 | 0.531 -0.06 | 60 -1 | 2.1 +0.1 | 96.5 -3.9 | usable | 16 Ω vs 8 Ω: amp load changes | + |
| Eminence CV 65A | 76 -9 | 0.582 -0.01 | 59 -2 | 1.2 -0.8 | 99 -1.4 | usable | Xmax 1.2 mm < 2 mm: lower excursion-limited SPL | + |
| Beyma 12GU | 70 -15 | 0.475 -0.12 | 60 -1 | 2 = | 98.3 -2.1 | usable | + | |
| RCF L 12/565K | 63 -22 | 0.56 -0.03 | 57 -4 | 2.9 +0.9 | 97.3 -3.1 | usable | + | |
| Siemens KL405 | 75.8 -9.2 | 0.77 +0.18 | 68 +7 | 3 +1 | 99.2 -1.2 | usable | + | |
| Peavey S-12825 | 59.4 -25.6 | 0.611 +0.02 | 66.6 +5.6 | 2.5 +0.5 | 96.8 -3.6 | usable | + | |
| Eminence GA-SC64 | 88 +3 | 0.579 -0.02 | 45 -16 | 1.2 -0.8 | 99.3 -1.1 | usable | 40 W vs 75 W: lower power handling · Xmax 1.2 mm < 2 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the G12T-75 v2026 →
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.