Celestion TF 1525E 4 Ohms

15" · 8 Ω · 300 W · 97.2 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	47.5 Hz
Qts	0.473
Qes	0.529
Qms	4.486
Vas	141 L
Sd	855 cm²
Xmax	3.5 mm
Re	6.82 Ω
Bl	17.7 T·m
Mms	81.6 g
Pe	300 W
Sensitivity	97.2 dB

Alignment hint

EBP	90 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 114.2 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
HH Electronics B15L	48 +0.5	0.479 +0.01	151.7 +10.7	3.6 +0.1	97.8 +0.6	close	100 W vs 300 W: lower power handling	+
SICA P-A-PL15B3S	46.5 -1	0.479 +0.01	139.8 -1.2	5.5 +2	98.3 +1.1	close		+
Turbosound TS-15W300/8A	46 -1.5	0.476 =	130.2 -10.8	4.9 +1.4	97 -0.2	close		+
Jensen BP15/250	47 -0.5	0.503 +0.03	133.1 -7.9	3.4 -0.1	96.7 -0.5	close	Xmax 3.4 mm < 3.5 mm: lower excursion-limited SPL	+
Jensen PUNCH BP 15/250	47 -0.5	0.503 +0.03	133.1 -7.9	3.4 -0.1	96.7 -0.5	close	Xmax 3.4 mm < 3.5 mm: lower excursion-limited SPL	+
LaVoce WSF152.50	46 -1.5	0.505 +0.03	137 -4	4.7 +1.2	97.3 +0.1	close		+
Beyma 15MCS500-8	46 -1.5	0.47 =	133.5 -7.5	6.5 +3	97.5 +0.3	close		+
Audax PR380T0 vp_d	50.5 +3	0.472 =	137.8 -3.2	3.3 -0.2	98.8 +1.6	close	150 W vs 300 W: lower power handling · Xmax 3.3 mm < 3.5 mm: lower excursion-limited SPL	+
Celestion TF 1525E	49.8 +2.3	0.493 +0.02	128.2 -12.8	3.5 =	97.6 +0.4	close		+
Celestion TF1525E	49.8 +2.3	0.5 +0.03	128.19 -12.81	3.5 =	96.6 -0.6	close	4 Ω vs 8 Ω: amp load changes	+

Compare the closest 3 against the TF 1525E 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.