Celestion FTR12-4080DL
Thiele-Small parameters
| Nominal size | 12" |
|---|---|
| Impedance | 8 Ω |
| Fs | 28.9 Hz |
| Qts | 0.303 |
| Qes | 0.345 |
| Qms | 2.466 |
| Vas | 68.6 L |
| Sd | 530.9 cm² |
| Xmax | 8.7 mm |
| Re | 6.24 Ω |
| Bl | 24 T·m |
| Mms | 174.7 g |
| Pe | 700 W |
| Sensitivity | 89.9 dB |
Alignment hint
| EBP | 84 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 15.4 L |
EBP 50-100: works in either a sealed or ported 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 |
|---|---|---|---|---|---|---|---|---|
| BMS 12S330 v2018 | 28.6 -0.3 | 0.295 -0.01 | 81.4 +12.8 | 8 -0.7 | 91.1 +1.2 | close | Xmax 8 mm < 8.7 mm: lower excursion-limited SPL | + |
| Tang Band W8Q-1071F | 27 -1.9 | 0.334 +0.03 | 70.4 +1.8 | 9.7 +1 | 91.8 +1.9 | close | 4 Ω vs 8 Ω: amp load changes · 500 W vs 700 W: lower power handling | + |
| Dayton Audio RSS315HO-4 v2020 | 26.2 -2.7 | 0.303 = | 54 -14.6 | 8.6 -0.1 | 90.6 +0.7 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 8.6 mm < 8.7 mm: lower excursion-limited SPL | + |
| Dayton Audio RSS315HO-4 v2017 | 26.2 -2.7 | 0.303 = | 53.7 -14.9 | 8.6 -0.1 | 90.6 +0.7 | close | 4 Ω vs 8 Ω: amp load changes · Xmax 8.6 mm < 8.7 mm: lower excursion-limited SPL | + |
| Hifonics ZX 1254 | 31 +2.1 | 0.31 +0.01 | 63 -5.6 | 30 +21.3 | 89.3 -0.6 | close | 4 Ω vs 8 Ω: amp load changes · 500 W vs 700 W: lower power handling | + |
| Helix P12W PRECISION | 27 -1.9 | 0.25 -0.05 | 72 +3.4 | 8.5 -0.2 | 89 -0.9 | close | 4 Ω vs 8 Ω: amp load changes · 400 W vs 700 W: lower power handling · Xmax 8.5 mm < 8.7 mm: lower excursion-limited SPL | + |
| Auditor RIP 300P | 28.9 = | 0.35 +0.05 | 79.3 +10.7 | 8.8 +0.1 | 92.6 +2.7 | close | 4 Ω vs 8 Ω: amp load changes · 400 W vs 700 W: lower power handling | + |
| Audio System R12 | 27.7 -1.2 | 0.35 +0.05 | 84.3 +15.7 | 8.5 -0.2 | 88.6 -1.3 | usable | 4 Ω vs 8 Ω: amp load changes · 400 W vs 700 W: lower power handling · Xmax 8.5 mm < 8.7 mm: lower excursion-limited SPL | + |
| AER SB 12 | 29 +0.1 | 0.349 +0.05 | 82 +13.4 | 7.1 -1.6 | 90.6 +0.7 | usable | 300 W vs 700 W: lower power handling · Xmax 7.1 mm < 8.7 mm: lower excursion-limited SPL | + |
| PHL Audio 4020 | 29 +0.1 | 0.299 = | 92 +23.4 | 7 -1.7 | 92.1 +2.2 | usable | 450 W vs 700 W: lower power handling · Xmax 7 mm < 8.7 mm: lower excursion-limited SPL | + |
Compare the closest 3 against the FTR12-4080DL →
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.