Audax PR380T0 vp_g

15" · 8 Ω · 150 W · 98.6 dB

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	56.9 Hz
Qts	0.537
Qes	0.63
Qms	3.63
Vas	108.5 L
Sd	883.9 cm²
Xmax	2.8 mm
Re	5.6 Ω
Bl	15.8 T·m
Mms	78.9 g
Pe	150 W
Sensitivity	98.6 dB

Alignment hint

EBP	90 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 147.8 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
JBL 615H	55 -1.9	0.603 +0.07	112 +3.5	3.7 +0.9	98.1 -0.5	close		+
Audax PR380T2	52 -4.9	0.522 -0.02	92 -16.5	2.7 -0.1	99.4 +0.8	close	4 Ω vs 8 Ω: amp load changes · Xmax 2.7 mm < 2.8 mm: lower excursion-limited SPL	+
Celestion BL15-400X	54.2 -2.7	0.592 +0.05	110.9 +2.4	4.8 +2	97.3 -1.3	close		+
JBL 2032H	57 +0.1	0.541 =	133.1 +24.6	4.6 +1.8	100.9 +2.3	close		+
Eminence LEGEND CA154	51.1 -5.8	0.487 -0.05	108.2 -0.3	4.5 +1.7	100.6 +2	close	4 Ω vs 8 Ω: amp load changes	+
RCF LF 15G302 vp baptiste	56.8 -0.1	0.561 +0.02	87 -21.5	6 +3.2	97.1 -1.5	close		+
Focal 38KXSPL	45.8 -11.1	0.55 +0.01	116.4 +7.9	5.5 +2.7	98 -0.6	usable	4 Ω vs 8 Ω: amp load changes	+
Celestion TF 1525E	49.8 -7.1	0.493 -0.04	128.2 +19.7	3.5 +0.7	97.6 -1	usable		+
Beyma 15CMV2 v2021	49 -7.9	0.485 -0.05	104 -4.5	4.5 +1.7	96.7 -1.9	usable		+
Celestion TF1525E	49.8 -7.1	0.5 -0.04	128.19 +19.69	3.5 +0.7	96.6 -2	usable	4 Ω vs 8 Ω: amp load changes	+

Compare the closest 3 against the PR380T0 vp_g →

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.