Audax PR380T6 vp

15" · 4 Ω · 350 W · 103.2 dB

Thiele-Small parameters

Nominal size	15"
Impedance	4 Ω
Fs	58.1 Hz
Qts	0.205
Qes	0.23
Qms	1.89
Vas	63.4 L
Sd	883.9 cm²
Xmax	2 mm
Re	3.3 Ω
Bl	26.1 T·m
Mms	129.7 g
Pe	350 W
Sensitivity	103.2 dB

Alignment hint

EBP	253 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 5.8 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
P.Audio E15-300S	55.4 -2.7	0.308 +0.1	66.4 +3	2.8 +0.8	98.6 -4.6	usable	8 Ω vs 4 Ω: amp load changes	+
PD PDN 15SB40	50 -8.1	0.243 +0.04	93.2 +29.8	4.3 +2.3	100.5 -2.7	usable	8 Ω vs 4 Ω: amp load changes	+
Precision Devices PDN 15SB40	50 -8.1	0.243 +0.04	93.2 +29.8	4.3 +2.3	100.5 -2.7	usable	8 Ω vs 4 Ω: amp load changes	+
RCF CX15N351	55 -3.1	0.258 +0.05	110 +46.6	3.8 +1.8	101.8 -1.4	usable	8 Ω vs 4 Ω: amp load changes	+
RCF L 17P/64 AF	52 -6.1	0.244 +0.04	124 +60.6	2.9 +0.9	101.7 -1.5	usable	8 Ω vs 4 Ω: amp load changes · 150 W vs 350 W: lower power handling	+
ATC PA100-375 BLC	47 -11.1	0.222 +0.02	118 +54.6	1.7 -0.3	100.8 -2.4	usable	8 Ω vs 4 Ω: amp load changes · 100 W vs 350 W: lower power handling · Xmax 1.7 mm < 2 mm: lower excursion-limited SPL	+
B&C 14NA100-8	43 -15.1	0.23 +0.03	99.5 +36.1	4.4 +2.4	99.1 -4.1	usable	8 Ω vs 4 Ω: amp load changes	+
PHL Audio 5241 M	48 -10.1	0.253 +0.05	105 +41.6	3.9 +1.9	99.4 -3.8	risky	8 Ω vs 4 Ω: amp load changes	+
RCF MB 15N351 (prodance)	65.5 +7.4	0.307 +0.1	107 +43.6	4.6 +2.6	103.2 =	risky	8 Ω vs 4 Ω: amp load changes	+
Monacor SP-15A/350NEO	49 -9.1	0.252 +0.05	128 +64.6	3.5 +1.5	101.2 -2	risky	8 Ω vs 4 Ω: amp load changes	+

Compare the closest 3 against the PR380T6 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.