Volt RV4504

15" · 8 Ω · 750 W · 96.7 dB · datasheet ↗

Thiele-Small parameters

Nominal size	15"
Impedance	8 Ω
Fs	33 Hz
Qts	0.349
Qes	0.38
Qms	4.26
Vas	217 L
Sd	962 cm²
Xmax	9.2 mm
Re	5.5 Ω
Bl	20.4 T·m
Mms	139.1 g
Pe	750 W
Sensitivity	96.7 dB

Alignment hint

EBP	87 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 69.9 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
Oxygen JET 18	32.9 -0.1	0.349 =	217 =	10 +0.8	96.7 =	close		+
Beyma 15LX60	35 +2	0.346 =	215 -2	9 -0.2	97.7 +1	close	Xmax 9 mm < 9.2 mm: lower excursion-limited SPL	+
Faital PRO 15FH500A	35 +2	0.394 +0.05	217.4 +0.4	9 -0.2	97.1 +0.4	close	500 W vs 750 W: lower power handling · Xmax 9 mm < 9.2 mm: lower excursion-limited SPL	+
PD PDN 15BR40	35.7 +2.7	0.338 -0.01	224.8 +7.8	9.8 +0.6	98.5 +1.8	close		+
Precision Devices PDN 15BR40	35.7 +2.7	0.338 -0.01	224.8 +7.8	9.8 +0.6	98.5 +1.8	close		+
SICA 15 S 3 PL 8 Ohms	33 =	0.38 +0.03	230 +13	8 -1.2	97.1 +0.4	close	400 W vs 750 W: lower power handling · Xmax 8 mm < 9.2 mm: lower excursion-limited SPL	+
Sica 15 S 3 PL	33 =	0.38 +0.03	230 +13	8 -1.2	97.2 +0.5	close	400 W vs 750 W: lower power handling · Xmax 8 mm < 9.2 mm: lower excursion-limited SPL	+
Faital PRO 15FH500	33 =	0.28 -0.07	209.5 -7.5	9.45 +0.25	97 +0.3	close	4 Ω vs 8 Ω: amp load changes · 500 W vs 750 W: lower power handling	+
Faital PRO 15FH500	35 +2	0.31 -0.04	199.2 -17.8	9.25 +0.05	98 +1.3	close	500 W vs 750 W: lower power handling	+
18 Sound 15W750	39 +6	0.37 +0.02	218 +1	8 -1.2	97 +0.3	close	Xmax 8 mm < 9.2 mm: lower excursion-limited SPL	+

Compare the closest 3 against the RV4504 →

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.