Celestion TRUVOX 1525

15" · 8 Ω · 250 W · 98.8 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	40 Hz
Qts	0.452
Qes	0.51
Qms	4
Vas	247 L
Sd	852 cm²
Xmax	2.5 mm
Re	5.1 Ω
Bl	12.8 T·m
Mms	65.2 g
Pe	250 W
Sensitivity	98.8 dB

Alignment hint

EBP	78 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 170.7 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
Electro-Voice SP15	40 =	0.446 -0.01	280.4 +33.4	3 +0.5	99.2 +0.4	close	40 W vs 250 W: lower power handling	+
Eminence LEGEND B15	40 =	0.451 =	215.1 -31.9	3 +0.5	97.5 -1.3	close		+
Selenium 38GPT12 vp2	39.9 -0.1	0.469 +0.02	242.8 -4.2	5 +2.5	97.8 -1	close		+
JBL MI-15A	40 =	0.421 -0.03	271.8 +24.8	4 +1.5	99.2 +0.4	close	150 W vs 250 W: lower power handling	+
Eminence 5378	42 +2	0.403 -0.05	243.5 -3.5	3.2 +0.7	98.1 -0.7	close	16 Ω vs 8 Ω: amp load changes · 150 W vs 250 W: lower power handling	+
Monacor SPA-38PA	37 -3	0.452 =	230 -17	3 +0.5	96.5 -2.3	close		+
Eminence DELTA 15 LFA	39 -1	0.48 +0.03	241 -6	4.8 +2.3	97.5 -1.3	close		+
Visaton BGS 40 v2	40 =	0.424 -0.03	263 +16	5.7 +3.2	98.2 -0.6	close		+
P.Audio E15-150S	42.9 +2.9	0.528 +0.08	245.7 -1.3	2.5 =	99.3 +0.5	close	150 W vs 250 W: lower power handling	+
Eminence ME15-2008	40.3 +0.3	0.49 +0.04	293.1 +46.1	2.7 +0.2	98.1 -0.7	close	100 W vs 250 W: lower power handling	+

Compare the closest 3 against the TRUVOX 1525 →

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.