JBL 2155H

15" · 8 Ω · 150 W · 101.4 dB

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	53 Hz
Qts	0.474
Qes	0.53
Qms	4.47
Vas	164.2 L
Sd	896.1 cm²
Xmax	2.5 mm
Re	4.2 Ω
Bl	12.8 T·m
Mms	61.8 g
Pe	150 W
Sensitivity	101.4 dB

Alignment hint

EBP	100 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 134 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 BL15-300X	48 -5	0.447 -0.03	158.8 -5.4	4.3 +1.8	101.3 -0.1	close	4 Ω vs 8 Ω: amp load changes	+
Celestion BN15-300S-4	50 -3	0.537 +0.06	138.9 -25.3	2.5 =	101.4 =	close	4 Ω vs 8 Ω: amp load changes	+
Audax PR380T0 vp_d	50.5 -2.5	0.472 =	137.8 -26.4	3.3 +0.8	98.8 -2.6	close		+
JBL 2033H	50 -3	0.417 -0.06	170 +5.8	4.9 +2.4	100.7 -0.7	close		+
Celestion TF1525E 4 Ohms	49.8 -3.2	0.493 +0.02	128.2 -36	3.5 +1	100.7 -0.7	close	4 Ω vs 8 Ω: amp load changes	+
18 Sound 15W500	50 -3	0.52 +0.05	189 +24.8	4 +1.5	100.5 -0.9	close		+
HH Electronics B15L	48 -5	0.479 +0.01	151.7 -12.5	3.6 +1.1	97.8 -3.6	close	100 W vs 150 W: lower power handling	+
Celestion 15 Professional Woofer - OEM	46.9 -6.1	0.497 +0.02	175 +10.8	3.5 +1	98.8 -2.6	close		+
SICA 15 BP 2.5 CS	46.4 -6.6	0.499 +0.03	167.9 +3.7	2.5 =	97.2 -4.2	close		+
Jensen BN15/350SB vp	45 -8	0.461 -0.01	163 -1.2	5 +2.5	98.8 -2.6	usable		+

Compare the closest 3 against the 2155H →

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.