Audax PR330M0

12" · 8 Ω · 150 W · 96.5 dB

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	28 Hz
Qts	0.269
Qes	0.28
Qms	6.69
Vas	264 L
Sd	538 cm²
Xmax	4 mm
Re	5.8 Ω
Bl	13.5 T·m
Mms	49.7 g
Pe	150 W
Sensitivity	96.5 dB

Alignment hint

EBP	100 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 44.7 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
Crites Speakers CW1228	27.7 -0.3	0.277 +0.01	286.6 +22.6	6.4 +2.4	96.3 -0.2	close		+
Fostex FW 305	25 -3	0.254 -0.02	254 -10	4.8 +0.8	94.3 -2.2	close	60 W vs 150 W: lower power handling	+
Davis 31TCA12W	27 -1	0.283 +0.01	335 +71	6 +2	96.2 -0.3	close		+
Tonsil GDN 30/80/2	25 -3	0.26 -0.01	270 +6	6 +2	93.5 -3	close	80 W vs 150 W: lower power handling	+
Great Plains Audio 414-8B (16B)	25.6 -2.4	0.22 -0.05	263.1 -0.9	4 =	95.3 -1.2	close		+
Altec 414 Z	32 +4	0.219 -0.05	263 -1	4 =	96.2 -0.3	close	16 Ω vs 8 Ω: amp load changes	+
Altec 414 B vp	29 +1	0.256 -0.01	377 +113	4 =	97.3 +0.8	usable	16 Ω vs 8 Ω: amp load changes	+
Fostex W 300 A	25 -3	0.281 +0.01	227 -37	4.6 +0.6	93.4 -3.1	usable	50 W vs 150 W: lower power handling	+
Fostex W 300 AII	25 -3	0.281 +0.01	227 -37	4.6 +0.6	93.4 -3.1	usable	50 W vs 150 W: lower power handling	+
Monacor SPH-300TC	23 -5	0.239 -0.03	290 +26	4 =	97.3 +0.8	usable	4 Ω vs 8 Ω: amp load changes	+

Compare the closest 3 against the PR330M0 →

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.