Celestion TF 1525 v2020

15" · 8 Ω · 250 W · 97.6 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	47 Hz
Qts	0.594
Qes	0.66
Qms	5.9
Vas	152.5 L
Sd	851 cm²
Xmax	2.5 mm
Re	5.21 Ω
Bl	13.3 T·m
Mms	76.3 g
Pe	250 W
Sensitivity	97.6 dB

Alignment hint

EBP	71 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 365.6 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 BN15-300X	45.9 -1.1	0.603 +0.01	153.4 +0.9	4 +1.5	96.7 -0.9	close		+
Celestion TF 1525	46 -1	0.637 +0.04	162.1 +9.6	2.5 =	97.2 -0.4	close		+
Celestion BN15-400X	44.9 -2.1	0.59 =	146.5 -6	4 +1.5	96.4 -1.2	close		+
SICA 15 BS 2.5 PL	44 -3	0.552 -0.04	160 +7.5	4 +1.5	97.5 -0.1	close		+
SB Audience BIANCO-15MW200	44 -3	0.586 -0.01	153 +0.5	5.2 +2.7	96 -1.6	close		+
Celestion BL15-150	49 +2	0.593 =	179.8 +27.3	4.3 +1.8	98.4 +0.8	close	150 W vs 250 W: lower power handling	+
SICA 15 BP 2.5 CS	46.4 -0.6	0.499 -0.09	167.9 +15.4	2.5 =	97.2 -0.4	close		+
SICA LP385.50/1100WT8(Z008130)	48 +1	0.65 +0.06	176.3 +23.8	3 +0.5	96 -1.6	close	150 W vs 250 W: lower power handling	+
HH Electronics B15L	48 +1	0.479 -0.11	151.7 -0.8	3.6 +1.1	97.8 +0.2	close	100 W vs 250 W: lower power handling	+
Audax PR380T0	52 +5	0.635 +0.04	130 -22.5	3.3 +0.8	97.1 -0.5	close	150 W vs 250 W: lower power handling	+

Compare the closest 3 against the TF 1525 v2020 →

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.