Electro-Voice 30W vp

31.5" · 8 Ω · 60 W · 104.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size	31.5"
Impedance	8 Ω
Fs	16 Hz
Qts	0.269
Qes	0.3
Qms	2.61
Vas	5947.2 L
Sd	3626 cm²
Xmax	3.8 mm
Re	4 Ω
Bl	20.3 T·m
Mms	306.6 g
Pe	60 W
Sensitivity	104.1 dB

Alignment hint

EBP	53 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 1006.3 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
Audio Dynamique 75IC	15.2 -0.8	0.277 +0.01	4023.2 -1924	9 +5.2	100.1 -4	usable		+
Fostex L 869	15 -1	0.454 +0.19	6700 +752.8	4 +0.2	99.3 -4.8	usable		+
Clarion SRW800	17 +1	0.401 +0.13	2840.2 -3107	13.8 +10	100.4 -3.7	risky	4 Ω vs 8 Ω: amp load changes	+
Fostex FW 800 N	18 +2	0.698 +0.43	3201.1 -2746.1	4.6 +0.8	96.6 -7.5	risky		+
Fluxmag 2950-Hifi	24.4 +8.4	0.589 +0.32	1313 -4634.2	5.5 +1.7	98.2 -5.9	risky		+
Fluxmag 2950-Sono	27.8 +11.8	0.761 +0.49	869 -5078.2	5.5 +1.7	96.9 -7.2	risky		+
Powersoft 30''-4MM M-FORCE 01 REVERSED	32 +16	0.207 -0.06	170 -5777.2	4.6 +0.8	111.1 +7	risky	0.5 Ω vs 8 Ω: amp load changes	+
Powersoft 30''-4MM M-FORCE 01 SHORT	32 +16	0.207 -0.06	170 -5777.2	4.6 +0.8	111.1 +7	risky	0.5 Ω vs 8 Ω: amp load changes	+
Powersoft 30''-4MM M-FORCE 01 STRAIGHT	32 +16	0.207 -0.06	170 -5777.2	4.6 +0.8	111.1 +7	risky	0.5 Ω vs 8 Ω: amp load changes	+
Powersoft 30''-3MM M-FORCE 01 STRAIGHT	30 +14	0.167 -0.1	230 -5717.2	4.8 +1	112.5 +8.4	risky	0.5 Ω vs 8 Ω: amp load changes	+

Compare the closest 3 against the 30W 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.