Audax PR300M0 vp AP

12" · 8 Ω · 100 W · 92.2 dB

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	26.9 Hz
Qts	0.448
Qes	0.495
Qms	4.67
Vas	231 L
Sd	521 cm²
Xmax	4.4 mm
Re	6.87 Ω
Bl	11.6 T·m
Mms	57.7 g
Pe	100 W
Sensitivity	92.2 dB

Alignment hint

EBP	54 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 154.9 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
JBL 125A	25 -1.9	0.433 -0.02	235 +4	4.8 +0.4	92.9 +0.7	close	50 W vs 100 W: lower power handling	+
JBL 127A	25 -1.9	0.433 -0.02	235 +4	4.8 +0.4	92.9 +0.7	close	50 W vs 100 W: lower power handling	+
Ciare HW320	27 +0.1	0.445 =	293 +62	4.1 -0.3	93.4 +1.2	close	Xmax 4.1 mm < 4.4 mm: lower excursion-limited SPL	+
Philips AD12250W8 vp doum2	28.7 +1.8	0.51 +0.06	237 +6	6 +1.6	92.5 +0.3	close		+
JBL 2213	25 -1.9	0.49 +0.04	235 +4	6.8 +2.4	93.1 +0.9	close	50 W vs 100 W: lower power handling	+
JBL 123A	25 -1.9	0.49 +0.04	235 +4	7.9 +3.5	93.1 +0.9	close		+
JBL 2213H	25 -1.9	0.49 +0.04	235 +4	7.9 +3.5	93.1 +0.9	close	75 W vs 100 W: lower power handling	+
Peerless SLS315	24.4 -2.5	0.452 =	205.2 -25.8	7.8 +3.4	91.4 -0.8	close		+
Sphynx SP-W12-BK	28 +1.1	0.417 -0.03	258 +27	4 -0.4	93.9 +1.7	close	Xmax 4 mm < 4.4 mm: lower excursion-limited SPL	+
Sphynx SP-W12	28 +1.1	0.415 -0.03	258 +27	4 -0.4	93.9 +1.7	close	Xmax 4 mm < 4.4 mm: lower excursion-limited SPL	+

Compare the closest 3 against the PR300M0 vp AP →

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.