Audax 330

12" · 8 Ω · 150 W · 95.9 dB

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	48.1 Hz
Qts	0.468
Qes	0.546
Qms	3.253
Vas	93.7 L
Sd	534 cm²
Xmax	4.5 mm
Re	6.18 Ω
Bl	12.6 T·m
Mms	46.7 g
Pe	150 W
Sensitivity	95.9 dB

Alignment hint

EBP	88 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 73 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
PHL Audio 4530 vp clio p	47.1 -1	0.46 -0.01	93.2 -0.5	6 +1.5	95.7 -0.2	close		+
Davis 31TCA12 vp2015 n2	48.5 +0.4	0.471 =	85.1 -8.6	4.9 +0.4	95.6 -0.3	close		+
Davis 31TCA12 v2015	48.5 +0.4	0.442 -0.03	92.3 -1.4	5 +0.5	96.5 +0.6	close		+
Eminence BASSLITE S2012	48 -0.1	0.48 +0.01	91 -2.7	5.2 +0.7	94.6 -1.3	close		+
Beyma 12BR70 vp	49.1 +1	0.461 -0.01	95.8 +2.1	4 -0.5	96.3 +0.4	close	Xmax 4 mm < 4.5 mm: lower excursion-limited SPL	+
Davis 31TPA vp nº2 dats v2	46.4 -1.7	0.437 -0.03	96.4 +2.7	4.4 -0.1	95.8 -0.1	close	Xmax 4.4 mm < 4.5 mm: lower excursion-limited SPL	+
Davis 31TCA12 N1	51.1 +3	0.479 +0.01	84.1 -9.6	4.7 +0.2	96.1 +0.2	close		+
Faital PRO 12PR300	50 +1.9	0.49 +0.02	89.7 -4	4.92 +0.42	97 +1.1	close	16 Ω vs 8 Ω: amp load changes	+
Davis 31TCA12 vp 2018 CLIO POCKET	45.8 -2.3	0.455 -0.01	86.8 -6.9	5 +0.5	95 -0.9	close		+
Eminence DELTA 12 LF v1	45 -3.1	0.424 -0.04	95.5 +1.8	4.6 +0.1	96.1 +0.2	close		+

Compare the closest 3 against the 330 →

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.