CSS Audio TRIO12 vp

12" · 8 Ω · 300 W · 88.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	22 Hz
Qts	0.429
Qes	0.46
Qms	6.4
Vas	97 L
Sd	491 cm²
Xmax	10 mm
Re	4 Ω
Bl	14.8 T·m
Mms	182.3 g
Pe	300 W
Sensitivity	88.5 dB

Alignment hint

EBP	48 · sealed
Sealed Vb (Qtc ≈ 0.71)	≈ 56.5 L

EBP < 50: favours a sealed (closed) 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
Dayton Audio RSS315HFA-8 v2016	22.2 +0.2	0.444 +0.02	97.2 +0.2	11 +1	85.8 -2.7	close		+
JL Audio 13W6V2-D4	24.3 +2.3	0.434 +0.01	111.6 +14.6	10.6 +0.6	88.3 -0.2	close		+
Infinity KAPPA PERFECT 12.1	23.32 +1.32	0.44 +0.01	99.97 +2.97	14.15 +4.15	86.2 -2.3	close	4 Ω vs 8 Ω: amp load changes	+
JL Audio 12W1V2-4	23.68 +1.68	0.414 -0.02	105.876 +8.88	9.5 -0.5	86.9 -1.6	close	4 Ω vs 8 Ω: amp load changes · Xmax 9.5 mm < 10 mm: lower excursion-limited SPL	+
Ground Zero GZUW 300SQ	25.3 +3.3	0.423 -0.01	86.6 -10.4	12.9 +2.9	88 -0.5	close		+
Focal AUDITOR RSB-300	25 +3	0.466 +0.04	93 -4	10.2 +0.2	87.4 -1.1	close		+
Sony XS-L121P5S	22.6 +0.6	0.51 +0.08	102.1 +5.1	11.5 +1.5	89 +0.5	close	4 Ω vs 8 Ω: amp load changes	+
TC Sounds EPIC 12 DVC v2009	24 +2	0.399 -0.03	91.2 -5.8	11.7 +1.7	90.1 +1.6	close	4 Ω vs 8 Ω: amp load changes	+
Pioneer TS-W12PRS	24 +2	0.392 -0.04	93 -4	10.3 +0.3	90.4 +1.9	close	4 Ω vs 8 Ω: amp load changes	+
Focal SUB12	24 +2	0.407 -0.02	90 -7	9.8 -0.2	90.7 +2.2	close	4 Ω vs 8 Ω: amp load changes · Xmax 9.8 mm < 10 mm: lower excursion-limited SPL	+

Compare the closest 3 against the TRIO12 vp →

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.