Toa AT-4012B-EB, AT-4120B-EB, AT-4030B-EB, AT-4060B-EB, AT-4200B-EB Installation Manual
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4. SPECIFICATIONS
Model
Input Capacity
Attenuations
Override Indicator
Overriding Voltage
Dimensions
Weight
Color
Finish
Terminal
Usable Cable
AT-4012B-EB AT-4030B-EB
12 W
8 Steps ( 0 dB, -3dB, -6dB, -9dB, -12dB, -15dB, -18dB, OFF )
Red LED (4-wire connection only)
24V DC, 11mA (4-wire connection only)
86 (w) x 86 (h) x 52 (d) mm
0.12 kg
White (RAL 9016 or equivalent)
Knob, Cover Panel : ABS Resin, White (RAL 9016 or equivalent)
Front Panel (Plate) : Surface treated steel plate
Screw type x 5 ( Terminals )
Cable range 22 - 14 AWG
86 (w) x 86 (h) x 79 (d) mm
30 W
0.45 kg
INSTALLATION MANUAL
AT-4012B-EB
AT-4030B-EB
ATTENUATOR
AT-4060B-EB
AT-4120B-EB
AT-4200B-EB
Please follow the instructions manual to obtain the optimum results from this unit.
We also recommend that you keep this manual handy for future reference.
1. WIRING DIAGRAMS
2-wire connection 3-wire connection 4-wire connection
Model
Input Capacity
Attenuations
Override Indicator
Overriding Voltage
Dimensions
Weight
Color
Finish
Terminal
Usable Cable
Note:
The design and specifications are subject to change without notice for improvement.
Accessories
Back Box 85.5 (w) x 85.5 (h) x 60 (d) mm ................. 1
Plate mounting screw ............................................... 2
Manufacturer:
TOA Corporation
Minatojima-Nakamachi, Chuo-ku, Kobe, Hyogo,
7-2-1,
Japan
AT-4060B-EB
60 W
8 Steps ( 0 dB, -3dB, -6dB, -9dB, -12dB, -15dB, -18dB, OFF )
Red LED (4-wire connection only)
24V DC, 11mA (4-wire connection only)
0.46 kg
White (RAL 9016 or equivalent)
Knob, Cover Panel : ABS Resin, White (RAL 9016 or equivalent)
Front Panel (Plate) : Surface treated steel plate
Traceability Information for Europe
AT-4120B-EB AT-4200B-EB
120 W
86 (w) x 86 (h) x 79 (d) mm
0.48 kg 0.49 kg
Screw type x 5 ( Terminals )
Cable range 22 - 14 AWG
Authorized representative:
TOA Electronics Europe GmbH
Suederstrasse 282, 20537 Hamburg,
Germany
200 W
Hot In
COM
N.C N.C
Note : N.C is NOT CONNECTED
2. CONNECTIONS
Strip the shield of the cable approx. 9mm.
After loosening the screws at terminal
block, insert the core of the cables fully
into the specified terminal block. Tighten
the screws and make sure the cables are
not loose.
Cable
Applicable cable :
Range : 22 - 14 AWG
Solid copper wire : 0.6mm - 1.6mm
Stranded copper wire : 0.8mm - 2mm
Hot In
approx. 9 mm
Core
COM
3. INSTALLATIONS
This product can be installed by Surface Mounting or Flush Mounting. We recommend following
step by step to install this product. For better installation, please consult a contractor, dealer, or
professional installer.
3.1. SURFACE MOUNTING
To prepare for installation, mark the 4
holes on the wall with the back box as
shown in the picture.
4 holes
55
55
WALL
Unit : mm
133-05-00045-00
Install the back box with suitable
Step 1.
screws on the surface of the wall.
Connect the recommended cable to
Step 2.
the terminal.
WARNING :
Do not supply 24V DC when connecting 4-wire attenuator system.
Install the main unit to the back box.
Step 3.
Attach the cover panel to the main
Step 4.
unit attenuator until the hook mount
clips perfectly.
Cut this area for
the lane cables.
1
Install the back box inside the wall.
Step 1.
Connect the recommended cable to
Step 2.
the terminal.
WARNING :
Do not supply 24V DC when connecting 4-wire attenuator system.
Install the main unit to the back box.
Step 3.
Attach the cover panel to the main
Step 4.
unit attenuator until the hook mount
clips perfectly.
Back Box
Cut this area for
the lane cables.
1
Support
Main unit attenuator
Screw M3 X 20
Cover Panel
2
3
4
3.2. FLUSH MOUNTING
Flush mounting installation can be implemented in 2 ways, with back box or without back box.
3.2.1 FLUSH MOUNTING WITH BACK BOX
To prepare for installation, mark the
65 - 70
Unit : mm
opening on the wall with rectangular
pattern as shown in the picture.
69 - 73
WALL
3.2.2 FLUSH MOUNTING WITHOUT BACK BOX
To prepare for installation, mark the
opening on the wall as shown in the
picture. This mounting method can be
used for all models.
Make opening on the wall.
Step 1.
Connect the recommended cable to
Step 2.
the terminal.
WARNING :
Do not supply 24V DC when
connecting 4-wire attenuator
system.
Install the main unit directly to the
Step 3.
wall using screws that are suitable
Cover Panel
for the kind of wall.
Attach the cover panel to the main
Step 4.
unit attenuator until the hook mount
clips perfectly.
3
4
57 - 60
34.5 - 36.5
69 - 73
Main unit Attenuator
WALL
36
72
Screw
Screw M3 X 20
Cover Panel
2 holes
2
Main unit Attenuator
Support
Unit : mm
1
2
3
4
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