Celestion FTR15-4080HDX
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 40.5 Hz |
| Qts | 0.33 |
| Qes | 0.36 |
| Qms | 3.98 |
| Vas | 104.3 L |
| Sd | 855.3 cm² |
| Xmax | 7.3 mm |
| Re | 5.1 Ω |
| Bl | 23.4 T·m |
| Mms | 151.9 g |
| Pe | 1000 W |
| Sensitivity | 96.8 dB |
Alignment hint
| EBP | 113 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 29 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 |
|---|---|---|---|---|---|---|---|---|
| Sica 15 PFS 4 | 39 -1.5 | 0.34 +0.01 | 103.9 -0.4 | 8 +0.7 | 95.8 -1 | close | + | |
| Beyma 15LEX1600Fe | 38 -2.5 | 0.33 = | 106 +1.7 | 13 +5.7 | 96 -0.8 | close | + | |
| Beyma 15LEX1000Fe | 41 +0.5 | 0.34 +0.01 | 116 +11.7 | 11 +3.7 | 97 +0.2 | close | + | |
| Faital PRO 15HP1060 | 40 -0.5 | 0.31 -0.02 | 100.3 -4 | 12.45 +5.15 | 97 +0.2 | close | + | |
| Selenium 15SW1P | 40 -0.5 | 0.35 +0.02 | 120 +15.7 | 7.9 +0.6 | 96.9 +0.1 | close | + | |
| Oberton 15NXB1201 | 38.49 -2.01 | 0.324 -0.01 | 111.94 +7.64 | 12 +4.7 | 97 +0.2 | close | + | |
| B&C 15 TBW 100 | 39 -1.5 | 0.307 -0.02 | 96 -8.3 | 8.4 +1.1 | 96.4 -0.4 | close | + | |
| BMS 15N850 | 37 -3.5 | 0.325 -0.01 | 111 +6.7 | 8.8 +1.5 | 95.7 -1.1 | close | + | |
| BMS 15N850V2 v2015 | 37 -3.5 | 0.325 -0.01 | 111 +6.7 | 8.8 +1.5 | 95.7 -1.1 | close | + | |
| Faital PRO 15HP1030 | 40 -0.5 | 0.34 +0.01 | 95 -9.3 | 12.45 +5.15 | 96 -0.8 | close | + |
Compare the closest 3 against the FTR15-4080HDX →
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.