EVC Variable-Intensity Loudspeakers
EN54-24 technical information | en
21
Electro-Voice
Installation manual
2019-10 | 04 | F.01U.378.116
9
EN54-24 technical information
Data measured and expressed as per EN54-24 requirements.
Figure
9.1: EVC-1122-VITEN54 frequency response 1 watt/4 meters
Frequency
Reproducibility
Horizontal coverage
Vertical coverage
(Hz)
(dB/SPL)
Degrees
Degrees
500
68
140
185
630
69.5
800
67.5
1000
69
110
140
1250
67
1600
64.5
2000
63
105
145
2500
63.5
3150
66.5
4000
61.5
85
100
Tab.
9.5:
Reproducibility and coverage angles measured full-space at 4 meters Signal at 1 watt of 1/3 octave
band filtered pink noise.
Technical data EN54
Sensitivity per EN54-24 standard (SPL 1 W/4
m):
79 dB
Max measured SPL per EN54-24 standard:
150 W Transformer coupled at 4 meters_
100.5 dB
Impedance:
70 V Transformer coupled: 150 W/33 Ω, 75
W/65 Ω, 37.5 W/130 Ω
