Quick Start Guide
20 CVS (EN 54) Series Quick Start Guide 21
CVS 6 EN54 CVS 4 EN54 CVS 4 MICRO EN54
Performance
Frequency response (-3 dB) see Graph 1# as below see Graph 2# as below see Graph 3# as below
Frequency response (-10 dB) 60 Hz – 24 kHz 77 Hz – 22 kHz 90 Hz – 22 kHz
Rated sensitivity (1 W, Lo Z) 91 dB 87 dB 87 dB
Sensitivity as per EN54-24
(4 m, through transformer)
77.1 dB 73.2 dB 74.1 dB
Directivity factor (Q) 7.7 averaged 1 kHz to 6 kHz 5.6 averaged 1 kHz to 6 kHz 5.6 averaged 1 kHz to 6 kHz
Directivity index (DI) 8.0 averaged 1 kHz to 6 kHz 7.1 averaged 1 kHz to 6 kHz 7.1 averaged 1 kHz to 6 kHz
Power handling
Average 60 W 40 W 40 W
Programme 120 W 80 W 80 W
Peak 240 W 160 W 160 W
Recommended ampli er power 120 W @ 6 Ω 80 W @ 6 Ω 80 W @ 6 Ω
Nominal Impedance (Lo Z) 6 Ω 6 Ω 6 Ω
Maximum SPL as per EN54 -24
(4 m, through transducer)
95 dB 87 dB 85 dB
Rated maximum SPL (1 m, Lo Z)
Average 109 dB 103 dB 103 dB
Peak 115 dB 109 dB 109 dB
Transformer taps (Rated noised power and impedance)
70 V
60 W (83 Ω) / 30 W (165 Ω) /
15 W (270Ω) / 7.5 W (528 Ω) /
OFF & low impedance operation
30 W (165 Ω) / 15 W (330 Ω) /
7.5 W (640 Ω) / 3.75 W (1200 Ω) /
OFF & low impedance operation
15 W (330 Ω) / 7.5 W (660 Ω) /
3.75 W (1280 Ω) / 1.9 W (2470 Ω) /
OFF & low impedance operation
100 V
60 W (165 Ω) / 30 W (270 Ω) / 15 W (528 Ω) /
OFF & low impedance operation
30 W (330 Ω) / 15 W (640 Ω) / 7.5 W (1200 Ω)
/ OFF & low impedance operation
15 W (660 Ω) / 7.5 W (1280 Ω) / 3.75 W
(2470 Ω) /
OFF & low impedance operation
Crossover point 2.5 kHz 2.7 kHz 2.5 kHz
Coverage Angles
500 Hz 175° horizontal, 175° vertical 177° horizontal, 177° vertical 179° horizontal, 178° vertical
1 kHz 175° horizontal, 165° vertical 177° horizontal, 177° vertical 175° horizontal, 175° vertical
2 kHz 140° horizontal, 125° vertical 157° horizontal, 157° vertical 155° horizontal, 155° vertical
4 kHz 70° horizontal, 66° vertical 85° horizontal, 85° vertical 86° horizontal, 88° vertical
Transducers
Low Frequency 150 mm (6") mineral loaded cone material 100 mm (4") mineral loaded cone material 100 mm (4") mineral loaded cone material
High frequency 19 mm (0.75") coaxially mounted 19 mm (0.75") coaxially mounted 19 mm (0.75") coaxially mounted
9. Technical Speci cations
CVS 6 EN54 CVS 4 EN54 CVS 4 MICRO EN54
Physical
Enclosure Blind mount (BM) Blind mount (BM) Blind mount (BM)
Back can Painted steel Painted steel Painted steel
Ba e Re ex loaded UL 94V-0 rated ABS Re ex loaded UL 94V-0 rated ABS Re ex loaded UL 94V-0 rated ABS
Grille Steel, with weather resistant coating Steel, with weather resistant coating Steel, with weather resistant coating
Safety features
Rear enclosure safety ring for load-bearing
bond
Rear enclosure safety ring for load-bearing
bond
Rear enclosure safety ring for load-bearing
bond
Clamping design Security toggle clamp Security toggle clamp Security toggle clamp
Connectors
Euroblock-style connector with screw
terminals (with input cover and cable gland
supplied)
Euroblock-style connector with screw
terminals (with input cover and cable gland
supplied)
Euroblock-style connector with screw
terminals (with input cover and cable gland
supplied)
Dimensions
Bezel diameter 280 mm (11.0") 213 mm (8.4") 213 mm (8.4")
Front of ceiling to rear of back can 236 mm (9.30") 191 mm (7.53") 98 mm (3.9")
Front of ceiling to top of cable clamp 262 mm (10.35") 224.9 mm (8.85") N/A
Hole cutout diameter 250 mm (9.8") 180 mm (7.1") 180 mm (7.1")
Net weight 5.8 kg (12.8 lbs) 3.8 kg (8.4 lbs) 2.8 kg (6.2 lbs)
Included accessories
C-ring, tile-bridge kit, paint mask,
cutout template
C-ring, tile-bridge kit, paint mask,
cutout template
C-ring, tile-bridge kit, paint mask,
cutout template
Optional accessories Plaster (mud) ring Plaster (mud) ring Plaster (mud) ring
Packed quantity 2 2 2
Notes:
(1) Average over stated bandwidth. Measured in an IEC ba e in an Anechoic Chamber
(2) Unweighted pink noise input, measured at 1 metre on axis
(3) Long term power handling capacity as de ned in IEC 268-5 test
(4) The reference point for the reference axis (on-axis) is the centre of the ba e.
Graph 1# CVS 6_01_SPL
Graph 3# CVS 4MICRO_01_SPL
Graph 2# CVS 4_01_SPL
Remark: Vertical is de ned as below