Celestion G12M-65 CREAMBACK
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 74 Hz |
| Qts | 0.655 |
| Qes | 0.697 |
| Qms | 10.936 |
| Vas | 52.7 L |
| Sd | 531 cm² |
| Xmax | 1.3 mm |
| Re | 6.59 Ω |
| Bl | 12.4 T·m |
| Mms | 34.7 g |
| Pe | 25 W |
| Sensitivity | 97.7 dB |
Alignment hint
| EBP | 106 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 318.6 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 |
|---|---|---|---|---|---|---|---|---|
| Browell 12.050V | 70 -4 | 0.643 -0.01 | 62.1 +9.4 | 1.2 -0.1 | 97.9 +0.2 | close | Xmax 1.2 mm < 1.3 mm: lower excursion-limited SPL | + |
| Jensen JN12-100TR 8 | 72.4 -1.6 | 0.608 -0.05 | 48.7 -4 | 1 -0.3 | 97.2 -0.5 | close | Xmax 1 mm < 1.3 mm: lower excursion-limited SPL | + |
| Jensen JN12-100TR | 72.4 -1.6 | 0.602 -0.05 | 48.7 -4 | 1 -0.3 | 97.3 -0.4 | close | Xmax 1 mm < 1.3 mm: lower excursion-limited SPL | + |
| Eminence CV 65A | 76 +2 | 0.582 -0.07 | 59 +6.3 | 1.2 -0.1 | 99 +1.3 | close | Xmax 1.2 mm < 1.3 mm: lower excursion-limited SPL | + |
| B&C 320K/C-A | 82 +8 | 0.59 -0.07 | 52 -0.7 | 2 +0.7 | 100 +2.3 | close | 16 Ω vs 8 Ω: amp load changes | + |
| JBL 2142H | 72 -2 | 0.755 +0.1 | 45.3 -7.4 | 2.2 +0.9 | 96.5 -1.2 | usable | + | |
| Celestion F12-X200 | 75 +1 | 0.777 +0.12 | 47.3 -5.4 | 3 +1.7 | 97.1 -0.6 | usable | + | |
| Celestion VINTAGE 30 | 75 +1 | 0.531 -0.12 | 60 +7.3 | 2.1 +0.8 | 96.5 -1.2 | usable | 16 Ω vs 8 Ω: amp load changes | + |
| Jensen 12 TORNADO CLASSIC 100 | 72 -2 | 0.52 -0.13 | 55.9 +3.2 | 1 -0.3 | 98.5 +0.8 | usable | Xmax 1 mm < 1.3 mm: lower excursion-limited SPL | + |
| RCF L 12/565K | 63 -11 | 0.56 -0.09 | 57 +4.3 | 2.9 +1.6 | 97.3 -0.4 | usable | + |
Compare the closest 3 against the G12M-65 CREAMBACK →
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.