Audax PR300M0

12" · 8 Ω · 150 W · 95.9 dB

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	17 Hz
Qts	0.26
Qes	0.28
Qms	3.55
Vas	1012 L
Sd	521 cm²
Xmax	4 mm
Re	5.7 Ω
Bl	8.5 T·m
Mms	33 g
Pe	150 W
Sensitivity	95.9 dB

Alignment hint

EBP	61 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 158.2 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
Audax HT300M2	17 =	0.236 -0.02	927 -85	5 +1	96 +0.1	close		+
Audax HIF30HSMC-2CA14 vp	19 +2	0.272 +0.01	645.4 -366.6	4 =	95.6 -0.3	usable	50 W vs 150 W: lower power handling	+
Audax HD30P45TSMC	17 =	0.231 -0.03	627 -385	4.5 +0.5	94.4 -1.5	usable	90 W vs 150 W: lower power handling	+
Audax HD30P45TSMC2CA15	17 =	0.231 -0.03	627 -385	4.5 +0.5	94.4 -1.5	usable	90 W vs 150 W: lower power handling	+
Audax HIF30HSMC	19 +2	0.269 +0.01	645.5 -366.5	4 =	92.7 -3.2	usable	50 W vs 150 W: lower power handling	+
Siare 31TE-2B	20.6 +3.6	0.264 =	502 -510	5 +1	95.7 -0.2	usable		+
Focal 12V 617	15.4 -1.6	0.237 -0.02	611 -401	11.9 +7.9	93.5 -2.4	usable		+
Wharfedale W15RS	21.2 +4.2	0.185 -0.08	866.5 -145.5	6 +2	97.6 +1.7	usable	16 Ω vs 8 Ω: amp load changes · 50 W vs 150 W: lower power handling	+
Vega 340 ACTBL	21 +4	0.268 +0.01	445 -567	4 =	94.3 -1.6	usable	50 W vs 150 W: lower power handling	+
Siare 31SPCT	18 +1	0.238 -0.02	407 -605	4 =	92.3 -3.6	usable		+

Compare the closest 3 against the PR300M0 →

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.