Volt RV3143

12" · 8 Ω · 300 W · 92.3 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	34 Hz
Qts	0.347
Qes	0.37
Qms	5.7
Vas	76 L
Sd	480 cm²
Xmax	5.2 mm
Re	6 Ω
Bl	18 T·m
Mms	93.1 g
Pe	300 W
Sensitivity	92.3 dB

Alignment hint

EBP	92 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 24.1 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
PHL Audio 4021 v2026	35 +1	0.348 =	70 -6	7.5 +2.3	92.7 +0.4	close		+
Focal 33WX	32.5 -1.5	0.349 =	73.1 -2.9	7.1 +1.9	94.2 +1.9	close	4 Ω vs 8 Ω: amp load changes	+
Focal 33WX2	32.5 -1.5	0.349 =	73.1 -2.9	7.1 +1.9	94.2 +1.9	close	4 Ω vs 8 Ω: amp load changes	+
Ciare HSB322 4-4	36 +2	0.363 +0.02	83 +7	5.4 +0.2	93 +0.7	close	200 W vs 300 W: lower power handling	+
Focal 13 WX	33.6 -0.4	0.366 +0.02	89 +13	6 +0.8	92.1 -0.2	close		+
Goldwood GW-12PC/4	32.9 -1.1	0.395 +0.05	73.2 -2.8	5 -0.2	93.1 +0.8	close	4 Ω vs 8 Ω: amp load changes · 225 W vs 300 W: lower power handling · Xmax 5 mm < 5.2 mm: lower excursion-limited SPL	+
Atohm D300P04 v2008	29.7 -4.3	0.352 +0.01	83.2 +7.2	6.4 +1.2	93.2 +0.9	close	4 Ω vs 8 Ω: amp load changes · 200 W vs 300 W: lower power handling	+
Atohm D300P04 v2019	29.7 -4.3	0.352 +0.01	83.2 +7.2	6.4 +1.2	93.2 +0.9	close	4 Ω vs 8 Ω: amp load changes · 200 W vs 300 W: lower power handling	+
Auditor RIP 300P	28.9 -5.1	0.35 =	79.3 +3.3	8.8 +3.6	92.6 +0.3	close	4 Ω vs 8 Ω: amp load changes	+
Davis 39RCA15 v2024	32.8 -1.2	0.346 =	99.5 +23.5	5.8 +0.6	93.4 +1.1	close	200 W vs 300 W: lower power handling	+

Compare the closest 3 against the RV3143 →

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.