Audax PR38S100

15" · 8 Ω · 200 W · 98.7 dB

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	24 Hz
Qts	0.171
Qes	0.18
Qms	3.47
Vas	423 L
Sd	882 cm²
Xmax	4 mm
Re	5.5 Ω
Bl	22.9 T·m
Mms	113.4 g
Pe	200 W
Sensitivity	98.7 dB

Alignment hint

EBP	133 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 26.3 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
Gauss 3580 GAUSS	25 +1	0.16 -0.01	438.9 +15.9	5.1 +1.1	99.2 +0.5	close		+
Beyma 15B42	24.2 +0.2	0.185 +0.01	480.9 +57.9	4 =	98.8 +0.1	close	150 W vs 200 W: lower power handling	+
Tannoy K3838	22 -2	0.176 =	481.4 +58.4	4 =	97.9 -0.8	close	120 W vs 200 W: lower power handling	+
Supravox 400-2000EXC_15V	25 +1	0.196 +0.02	429 +6	4.9 +0.9	98.1 -0.6	close	120 W vs 200 W: lower power handling	+
Fluxmag 1504-BM	22.7 -1.3	0.183 +0.01	469.9 +46.9	5 +1	98 -0.7	close		+
Audax PR380M2	23.8 -0.2	0.151 -0.02	376 -47	5.5 +1.5	98.1 -0.6	close		+
Gauss 3540 GAUSS	25 +1	0.16 -0.01	438.9 +15.9	5.1 +1.1	101.8 +3.1	close	4 Ω vs 8 Ω: amp load changes	+
Audax PR380M2 v2009	25 +1	0.191 +0.02	380 -43	5.5 +1.5	98.2 -0.5	close		+
Tannoy DU 386	22 -2	0.185 +0.01	483 +60	4 =	97.6 -1.1	close	85 W vs 200 W: lower power handling	+
Tannoy HPD 385A	22 -2	0.185 +0.01	483 +60	4 =	97.6 -1.1	close	85 W vs 200 W: lower power handling	+

Compare the closest 3 against the PR38S100 →

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.