Celestion TF 1218TC
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 56 Hz |
| Qts | 0.408 |
| Qes | 0.45 |
| Qms | 4.4 |
| Vas | 80.2 L |
| Sd | 530 cm² |
| Xmax | 1.5 mm |
| Re | 5.75 Ω |
| Bl | 13.4 T·m |
| Mms | 39.7 g |
| Pe | 100 W |
| Sensitivity | 98.4 dB |
Alignment hint
| EBP | 124 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 40 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 |
|---|---|---|---|---|---|---|---|---|
| Celestion TF 1218TC v2008 | 56 = | 0.408 = | 80.2 = | 1.5 = | 98.4 = | close | + | |
| Celestion TF 1220 | 55 -1 | 0.416 +0.01 | 84.7 +4.5 | 2 +0.5 | 98.4 = | close | + | |
| Eminence DELTA-12A | 55 -1 | 0.43 +0.02 | 81.3 +1.1 | 2.4 +0.9 | 98.3 -0.1 | close | + | |
| Eminence DELTA 12 | 55 -1 | 0.423 +0.02 | 81.3 +1.1 | 2.4 +0.9 | 97.7 -0.7 | close | + | |
| SICA 12 N 2.5 PL | 55.3 -0.7 | 0.395 -0.01 | 79.7 -0.5 | 3.5 +2 | 98.8 +0.4 | close | + | |
| Eminence DELTA 12 B | 55 -1 | 0.423 +0.02 | 83.1 +2.9 | 2.7 +1.2 | 97.8 -0.6 | close | + | |
| Celestion TF1220 | 55.8 -0.2 | 0.389 -0.02 | 72.79 -7.41 | 2 +0.5 | 96.4 -2 | close | + | |
| RCF L 12/568H | 58 +2 | 0.409 = | 72 -8.2 | 4 +2.5 | 98.1 -0.3 | close | + | |
| Fostex 12w150 | 60 +4 | 0.411 = | 74 -6.2 | 1.2 -0.3 | 98.9 +0.5 | close | 60 W vs 100 W: lower power handling · Xmax 1.2 mm < 1.5 mm: lower excursion-limited SPL | + |
| Philips AD12100 vp N°1 | 55.7 -0.3 | 0.475 +0.07 | 80.1 -0.1 | 3 +1.5 | 99.3 +0.9 | close | 4 Ω vs 8 Ω: amp load changes | + |
Compare the closest 3 against the TF 1218TC →
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.