JBL 1501FE

15" · 8 Ω · 500 W · 97.2 dB

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	29.5 Hz
Qts	0.236
Qes	0.25
Qms	4.25
Vas	217.7 L
Sd	897 cm²
Xmax	6.9 mm
Re	5.42 Ω
Bl	24.6 T·m
Mms	150.6 g
Pe	500 W
Sensitivity	97.2 dB

Alignment hint

EBP	118 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 27.3 L

EBP > 100: favours a ported (bass-reflex) 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 EVM-15W vp	31.7 +2.2	0.237 =	189.1 -28.6	6.6 -0.3	97.6 +0.4	close	Xmax 6.6 mm < 6.9 mm: lower excursion-limited SPL	+
RCF L 15P200	30 +0.5	0.23 -0.01	245 +27.3	5.9 -1	97.3 +0.1	close	300 W vs 500 W: lower power handling · Xmax 5.9 mm < 6.9 mm: lower excursion-limited SPL	+
Beyma SM115/K	29 -0.5	0.249 +0.01	273 +55.3	8 +1.1	97.2 =	close		+
Ciare NDH 15-4S	28 -1.5	0.254 +0.02	220 +2.3	11.5 +4.6	95.9 -1.3	close		+
Gauss 4580	31 +1.5	0.234 =	198 -19.7	5.8 -1.1	96.2 -1	close	Xmax 5.8 mm < 6.9 mm: lower excursion-limited SPL	+
STX W.38.800.8.MC	28 -1.5	0.252 +0.02	247 +29.3	8 +1.1	96.5 -0.7	close		+
PD PD 1550	31 +1.5	0.212 -0.02	242 +24.3	7.4 +0.5	98.1 +0.9	close		+
Precision Devices PD 1550	31 +1.5	0.212 -0.02	242 +24.3	7.4 +0.5	98.1 +0.9	close		+
18 Sound 15W930	33 +3.5	0.22 -0.02	240 +22.3	7.5 +0.6	98 +0.8	close		+
RCF L 15/554K	35 +5.5	0.243 +0.01	227 +9.3	8 +1.1	98.7 +1.5	close		+

Compare the closest 3 against the 1501FE →

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.