JBL 1000GTI

10" · 4 Ω · 300 W · 86 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	4 Ω
Fs	62 Hz
Qts	0.64
Qes	0.73
Qms	5.44
Vas	19 L
Sd	345 cm²
Xmax	5.97 mm
Re	3.2 Ω
Bl	10.04 T·m
Mms	58.68 g
Pe	300 W
Sensitivity	86 dB

Alignment hint

EBP	85 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 86.1 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
Fusion PF-SW100D4	45.3 -16.7	0.642 =	19.3 +0.3	5.8 -0.17	88.1 +2.1	usable	8 Ω vs 4 Ω: amp load changes · Xmax 5.8 mm < 5.97 mm: lower excursion-limited SPL	+
Sony XS-GTR101L	44 -18	0.72 +0.08	21 +2	6.9 +0.93	85.4 -0.6	usable		+
Skar Audio EV-10 S2	47.5 -14.5	0.69 +0.05	15.2 -3.8	8.5 +2.53	85.1 -0.9	usable	2 Ω vs 4 Ω: amp load changes · 150 W vs 300 W: lower power handling	+
Auditor 250 S	42.1 -19.9	0.631 -0.01	20.5 +1.5	5 -0.97	89 +3	usable	Xmax 5 mm < 5.97 mm: lower excursion-limited SPL	+
Sony XS-L104P5B	37.7 -24.3	0.569 -0.07	19.3 +0.3	6 +0.03	87.8 +1.8	usable		+
Skar Audio EV-10 S4	50.9 -11.1	0.76 +0.12	14 -5	8.5 +2.53	85.2 -0.8	usable	150 W vs 300 W: lower power handling	+
Focal SUB P25	48 -14	0.621 -0.02	16 -3	4.1 -1.87	89.4 +3.4	usable	Xmax 4.1 mm < 5.97 mm: lower excursion-limited SPL	+
Focal 27 V2	38.5 -23.5	0.629 -0.01	21.3 +2.3	5.5 -0.47	90.1 +4.1	usable	Xmax 5.5 mm < 5.97 mm: lower excursion-limited SPL	+
HiVi SP10	34 -28	0.573 -0.07	17.1 -1.9	6.7 +0.73	85.8 -0.2	usable		+
Kenwood KFC-XW100F	38.6 -23.4	0.72 +0.08	21.05 +2.05	7.5 +1.53	83.4 -2.6	usable		+

Compare the closest 3 against the 1000GTI →

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.