Celestion TF 1225E
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 60.7 Hz |
| Qts | 0.414 |
| Qes | 0.45 |
| Qms | 5.19 |
| Vas | 50.8 L |
| Sd | 530 cm² |
| Xmax | 3.5 mm |
| Re | 6.64 Ω |
| Bl | 17.3 T·m |
| Mms | 53.3 g |
| Pe | 300 W |
| Sensitivity | 96.8 dB |
Alignment hint
| EBP | 135 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 26.5 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 |
|---|---|---|---|---|---|---|---|---|
| Beyma 12MCS500-8 | 62 +1.3 | 0.417 = | 44 -6.8 | 4.9 +1.4 | 97.2 +0.4 | close | + | |
| P.Audio E12-200S | 59.7 -1 | 0.475 +0.06 | 49.1 -1.7 | 3.5 = | 96.6 -0.2 | close | 200 W vs 300 W: lower power handling | + |
| SB Audience NERO-12MWN400D | 55 -5.7 | 0.387 -0.03 | 48.3 -2.5 | 3.9 +0.4 | 96.8 = | close | + | |
| P.Audio SN-12MB mk2 | 62 +1.3 | 0.413 = | 43.6 -7.2 | 5 +1.5 | 97.6 +0.8 | close | + | |
| JB Systems PWX12-200 | 59.4 -1.3 | 0.474 +0.06 | 55.5 +4.7 | 3.6 +0.1 | 96.5 -0.3 | close | 200 W vs 300 W: lower power handling | + |
| Radian 5212B | 62 +1.3 | 0.42 +0.01 | 58.4 +7.6 | 5.4 +1.9 | 98.2 +1.4 | close | + | |
| SB Audience NERO-12MWN700D | 52.7 -8 | 0.383 -0.03 | 52.5 +1.7 | 3.9 +0.4 | 96.6 -0.2 | close | + | |
| Faital PRO 12HX230 | 55 -5.7 | 0.433 +0.02 | 56.6 +5.8 | 4.7 +1.2 | 96.9 +0.1 | close | + | |
| P.Audio EM12-LB600 | 62 +1.3 | 0.431 +0.02 | 39.8 -11 | 4 +0.5 | 96.7 -0.1 | close | + | |
| LaVoce WAF122.50 | 59 -1.7 | 0.365 -0.05 | 47 -3.8 | 4 +0.5 | 97.4 +0.6 | close | + |
Compare the closest 3 against the TF 1225E →
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.