Ground Zero GZHW 20XSPL-D1

10" · 4 Ω · 700 W · 85.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	10"
Impedance	4 Ω
Fs	38.9 Hz
Qts	0.555
Qes	0.6
Qms	7.47
Vas	5.2 L
Sd	280 cm²
Xmax	5.4 mm
Re	2.01 Ω
Bl	17 T·m
Mms	353.8 g
Pe	700 W
Sensitivity	85.1 dB

Alignment hint

EBP	65 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 8.3 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
Pioneer TS-W2502D2	34.7 -4.2	0.659 +0.1	6.2 +1	6.3 +0.9	85 -0.1	usable	2 Ω vs 4 Ω: amp load changes	+
Wavecor SW146WA02	54 +15.1	0.53 -0.03	5.5 +0.3	6 +0.6	83.7 -1.4	usable	8 Ω vs 4 Ω: amp load changes · 55 W vs 700 W: lower power handling	+
Pioneer TS-W2501D4	38.8 -0.1	0.721 +0.17	6.3 +1.1	6 +0.6	82.7 -2.4	usable		+
Orion Audio HCCA 102	42.5 +3.6	0.45 -0.11	8.8 +3.6	8.9 +3.5	86.6 +1.5	usable		+
JL Audio 10TW1-2	41.45 +2.55	0.65 +0.09	10.31 +5.11	10.31 +4.91	82.5 -2.6	usable	2 Ω vs 4 Ω: amp load changes · 300 W vs 700 W: lower power handling	+
JL Audio 10TW1-4	38 -0.9	0.6 +0.04	12.15 +6.95	10 +4.6	82.2 -2.9	usable	300 W vs 700 W: lower power handling	+
HiVi SP10	34 -4.9	0.573 +0.02	17.1 +11.9	6.7 +1.3	85.8 +0.7	risky	500 W vs 700 W: lower power handling	+
Sony XS-L104P5B	37.7 -1.2	0.569 +0.01	19.3 +14.1	6 +0.6	87.8 +2.7	risky	330 W vs 700 W: lower power handling	+
Rockford Fosgate T1D410	36 -2.9	0.647 +0.09	15.7 +10.5	7.3 +1.9	82.9 -2.2	risky	8 Ω vs 4 Ω: amp load changes	+
P.Audio TM-10	55 +16.1	0.572 +0.02	9.9 +4.7	4 -1.4	89.8 +4.7	risky	400 W vs 700 W: lower power handling · Xmax 4 mm < 5.4 mm: lower excursion-limited SPL	+

Compare the closest 3 against the GZHW 20XSPL-D1 →

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.