Audax PR330T0

12" · 8 Ω · 150 W · 97.3 dB

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	55 Hz
Qts	0.435
Qes	0.48
Qms	4.67
Vas	73.7 L
Sd	538 cm²
Xmax	3.7 mm
Re	6 Ω
Bl	14.1 T·m
Mms	46.1 g
Pe	150 W
Sensitivity	97.3 dB

Alignment hint

EBP	115 · ported
Sealed Vb (Qtc ≈ 0.71)	≈ 44.9 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
LaVoce FBASS12-20	53 -2	0.46 +0.03	75.41 +1.71	4.3 +0.6	97 -0.3	close		+
RCF L12/568H	58.8 +3.8	0.41 -0.03	72 -1.7	4 +0.3	97.1 -0.2	close	100 W vs 150 W: lower power handling	+
RCF L 12/565	55 =	0.497 +0.06	75 +1.3	3.8 +0.1	97.3 =	close	100 W vs 150 W: lower power handling	+
RCF L 12/568H	58 +3	0.409 -0.03	72 -1.7	4 +0.3	98.1 +0.8	close		+
Monacor SP-12A/300PA	50 -5	0.416 -0.02	73 -0.7	3.8 +0.1	96 -1.3	close		+
Fertin Acoustics LB 31 SONO	59.5 +4.5	0.407 -0.03	70 -3.7	4 +0.3	97.5 +0.2	close		+
Faital PRO 12PR300	50 -5	0.41 -0.03	73.9 +0.2	4.92 +1.22	97 -0.3	close	4 Ω vs 8 Ω: amp load changes	+
Faital PRO 12PR310	54 -1	0.4 -0.03	73.5 -0.2	4.92 +1.22	99 +1.7	close		+
Faital PRO 12PR310	50 -5	0.42 -0.02	77.3 +3.6	4.92 +1.22	98 +0.7	close	4 Ω vs 8 Ω: amp load changes	+
Monacor SP-12/100PA v1	53.3 -1.7	0.472 +0.04	74.8 +1.1	3.3 -0.4	96.4 -0.9	close	100 W vs 150 W: lower power handling · Xmax 3.3 mm < 3.7 mm: lower excursion-limited SPL	+

Compare the closest 3 against the PR330T0 →

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.