Audax WOOFEX 34

15" · 8 Ω · 100 W · 103.7 dB

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	26.6 Hz
Qts	0.104
Qes	0.11
Qms	1.92
Vas	653.8 L
Sd	754.8 cm²
Xmax	4 mm
Re	6 Ω
Bl	20 T·m
Mms	43.7 g
Pe	100 W
Sensitivity	103.7 dB

Alignment hint

EBP	242 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 14.5 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
Fluxmag 1504-CX	25.2 -1.4	0.158 +0.05	659.1 +5.3	4 =	101.1 -2.6	usable		+
Fertin Acoustics 38EX-2	25 -1.6	0.135 +0.03	595 -58.8	3 -1	102.2 -1.5	usable	Xmax 3 mm < 4 mm: lower excursion-limited SPL	+
Cyrille Audio S38ND100P	18.3 -8.3	0.098 -0.01	540 -113.8	8 +4	100.4 -3.3	usable	4 Ω vs 8 Ω: amp load changes	+
EMS B15	20 -6.6	0.085 -0.02	729 +75.2	3.9 -0.1	98.7 -5	usable	16 Ω vs 8 Ω: amp load changes · Xmax 3.9 mm < 4 mm: lower excursion-limited SPL	+
Benett 15.200 Y/N	33.5 +6.9	0.12 +0.02	354 -299.8	3.7 -0.3	103.8 +0.1	usable	Xmax 3.7 mm < 4 mm: lower excursion-limited SPL	+
EMS B15EX-12.5V	22 -4.6	0.146 +0.04	791 +137.2	5.4 +1.4	100.4 -3.3	usable		+
Gauss 3540 GAUSS	25 -1.6	0.16 +0.06	438.9 -214.9	5.1 +1.1	101.8 -1.9	usable	4 Ω vs 8 Ω: amp load changes	+
Fertin Acoustics 38EX-12.5 V	20 -6.6	0.125 +0.02	935 +281.2	3 -1	101.6 -2.1	usable	Xmax 3 mm < 4 mm: lower excursion-limited SPL	+
Altec 515B	24.7 -1.9	0.166 +0.06	557.8 -96	4.2 +0.2	97.2 -6.5	usable	16 Ω vs 8 Ω: amp load changes · 75 W vs 100 W: lower power handling	+
Altec 515C	24.7 -1.9	0.166 +0.06	557.8 -96	4.2 +0.2	97.2 -6.5	usable	16 Ω vs 8 Ω: amp load changes · 75 W vs 100 W: lower power handling	+

Compare the closest 3 against the WOOFEX 34 →

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.