JBL P1020 vp

10" · 4 Ω · 400 W · 74.3 dB

Thiele-Small parameters

Nominal size	10"
Impedance	4 Ω
Fs	27.9 Hz
Qts	0.448
Qes	0.47
Qms	9.69
Vas	0.9 L
Sd	314 cm²
Xmax	1.7 mm
Re	2 Ω
Bl	60.4 T·m
Mms	4902.7 g
Pe	400 W
Sensitivity	74.3 dB

Alignment hint

EBP	59 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 0.6 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
Ground Zero GZHW 20XSPL-D1	38.9 +11	0.555 +0.11	5.2 +4.3	5.4 +3.7	85.1 +10.8	risky		+
Pioneer TS-W2502D2	34.7 +6.8	0.659 +0.21	6.2 +5.3	6.3 +4.6	85 +10.7	risky	2 Ω vs 4 Ω: amp load changes	+
Wavecor SW146WA02	54 +26.1	0.53 +0.08	5.5 +4.6	6 +4.3	83.7 +9.4	risky	8 Ω vs 4 Ω: amp load changes · 55 W vs 400 W: lower power handling	+
Pioneer TS-W2501D4	38.8 +10.9	0.721 +0.27	6.3 +5.4	6 +4.3	82.7 +8.4	risky		+
HiVi BS10L	43 +15.1	0.455 +0.01	10.1 +9.2	2.4 +0.7	87.8 +13.5	risky	150 W vs 400 W: lower power handling	+
Orion Audio HCCA 102	42.5 +14.6	0.45 =	8.8 +7.9	8.9 +7.2	86.6 +12.3	risky		+
Rockford Fosgate T0D210	30.5 +2.6	0.508 +0.06	16.3 +15.4	8.1 +6.4	84.7 +10.4	risky		+
Rockford Fosgate T0D410	31 +3.1	0.541 +0.09	17 +16.1	8.3 +6.6	82.4 +8.1	risky	8 Ω vs 4 Ω: amp load changes	+
Alpine SWX-1043D Type-X	31 +3.1	0.54 +0.09	18 +17.1	10.3 +8.6	82.1 +7.8	risky	8 Ω vs 4 Ω: amp load changes	+
Infinity KAPPA 100.9	33.8 +5.9	0.44 -0.01	18.05 +17.15	17.5 +15.8	83 +8.7	risky		+

Compare the closest 3 against the P1020 vp →

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.