Celestion TF1525E 4 Ohms
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 4 Ω |
| Fs | 49.8 Hz |
| Qts | 0.493 |
| Qes | 0.53 |
| Qms | 7.12 |
| Vas | 128.2 L |
| Sd | 850 cm² |
| Xmax | 3.5 mm |
| Re | 3.2 Ω |
| Bl | 12.3 T·m |
| Mms | 80.7 g |
| Pe | 300 W |
| Sensitivity | 100.7 dB |
Alignment hint
| EBP | 94 · flexible |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 121.3 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 |
|---|---|---|---|---|---|---|---|---|
| Celestion TF 1525E | 49.8 = | 0.493 = | 128.2 = | 3.5 = | 97.6 -3.1 | close | 8 Ω vs 4 Ω: amp load changes | + |
| RCF L 17/64AF | 51 +1.2 | 0.468 -0.02 | 130 +1.8 | 4 +0.5 | 98.8 -1.9 | close | 8 Ω vs 4 Ω: amp load changes · 150 W vs 300 W: lower power handling | + |
| Celestion TF1525E | 49.8 = | 0.5 +0.01 | 128.19 -0.01 | 3.5 = | 96.6 -4.1 | close | + | |
| Eminence LEGEND CA154 | 51.1 +1.3 | 0.487 -0.01 | 108.2 -20 | 4.5 +1 | 100.6 -0.1 | close | + | |
| Audax PR380T0 vp_d | 50.5 +0.7 | 0.472 -0.02 | 137.8 +9.6 | 3.3 -0.2 | 98.8 -1.9 | close | 8 Ω vs 4 Ω: amp load changes · 150 W vs 300 W: lower power handling · Xmax 3.3 mm < 3.5 mm: lower excursion-limited SPL | + |
| Jensen BP15/250 | 47 -2.8 | 0.503 +0.01 | 133.1 +4.9 | 3.4 -0.1 | 96.7 -4 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 3.4 mm < 3.5 mm: lower excursion-limited SPL | + |
| Jensen PUNCH BP 15/250 | 47 -2.8 | 0.503 +0.01 | 133.1 +4.9 | 3.4 -0.1 | 96.7 -4 | close | 8 Ω vs 4 Ω: amp load changes · Xmax 3.4 mm < 3.5 mm: lower excursion-limited SPL | + |
| Eminence KAPPALITE 3015 LF-4 | 47 -2.8 | 0.468 -0.02 | 118.6 -9.6 | 5.7 +2.2 | 99.2 -1.5 | close | + | |
| JBL 2032H | 57 +7.2 | 0.541 +0.05 | 133.1 +4.9 | 4.6 +1.1 | 100.9 +0.2 | close | 8 Ω vs 4 Ω: amp load changes | + |
| RCF MB 15X301 (prodance) | 50.6 +0.8 | 0.44 -0.05 | 133.8 +5.6 | 5.9 +2.4 | 99.2 -1.5 | close | 8 Ω vs 4 Ω: amp load changes | + |
Compare the closest 3 against the TF1525E 4 Ohms →
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.