Amperes CL904 User manual

Introduction
20 - 60W 100V Line Column Speaker
Instruction Manual
CL900s Column Speaker
Built ruggedly with aluminum die cast housing and available in 3 power rating of 20 /
40 and 60W 100V line with half or full power tapping.
Suitable for classrooms, hyper markets, mosques, ballroom, factories, passenger
terminals, exhibition areas etc.
Physical Dimensions
Precision Design, absolute Confidence
Technical Specification
Rear View
Front View
“A”
“B”
“C”
amperes
CL904
20W 100V
20W / 10W
500Ω / 1k Ω
87 ± 3dB
350 x 79 x 89
1.7kg
4 x 2”
CL908
40W 100V
40W / 20W
250Ω / 500Ω
88 ± 3dB
230 - 16 KHz
600 x 79 x 89
Aluminum
2.7kg
8 x 2”
CL912
60W 100V
60W / 30W
166Ω / 330Ω
89 ± 3dB
800 x 79 x 89
3.6kg
12 x 2”
Power rating
Line Voltage
Transformer Tapping (100V)
Primary Impedance (Ohm)
Sensitivity (1m / 1w)
Frequency Response
Dimension (mm)
Material
Weight with Bracket (kg)
Speaker Unit
70 / 100V
CL904 CL908 CL912
“A”
“B”
“C”
79 mm
89 mm
600 mm 800 mm
350 mm
Guide to Installation
www.ampereselectronics.com
Wall
Wall
Plug 55mm
1 : Contents
Wall
Mount
Bracket
Speaker
Mount
Bracket
Screw
2 : Install wall mount bracket to wall
Wall
Recommended size for wall screw : Diameter Length
1) Screw M4 30mm
2) Wall Plug 6mm 30mm
3: Assemble speaker bracket to the rear of speaker
Wall Mount Bracket
Speaker Mount Bracket
Speaker
4 : Install the speaker to bracket on the wall, with the long
screw provided
55mm
M4
Screw
* Please determine the position of the
bracket prior
M4
Nut
Adjustable
bracket
1
2
3
1
Slot in the speaker assy to the wall mounted bracket.
2
Insert screw to the top pivot.
3
Insert screw to one of the 3 holes. Select the appropriate
hole according to the desired tilt angle.
Wall

ANGLE 1: 20° ANGLE 2: 10° ANGLE 3: 0°
The bracket of speaker have 3 angle are shown in the picture below:
Bracket Angle & Speaker Adjustable
5: Cable Termination
Guide to Installation ( Con’t )
www.ampereselectronics.com
ISO 9001: 2008
Design & Manufacture of Public Address Equipment and Systems
Certicate No. 16895 / A / 0001 / UK / En
Wall
Speaker
SPEAKER HEIGHTADJUSTMENT
BRACKET TILT
Brown Black
Blue
Cable Termination:
Common - Black color (Com)
Full Power - Blue color ( 20W )
Half Power - Brown color (10W)
6 : Installation Completed. If the tilt angle adjustment required,
refer to step 4. A guideline of the bracket tilt angle as show
below
Wall
Speaker
Higher speaker
tilt angle
Lower speaker
tilt angle
Speaker mounting
bracket
Overall speaker tilt angle varios between the different
models of CL900 Series.
The lower the position of the speaker mounting bracket,
the angle of overall speaker would be higher and vice
versa.